Oral Medicine
Oral Medicine Quiz
Test your knowledge in Oral Medicine with this comprehensive quiz designed for students and professionals alike. This quiz covers a variety of topics including benign neoplasms, stomatitis, and oral infections, ensuring a well-rounded evaluation of your understanding.
Features of the Quiz:
- 30 carefully crafted questions
- Multiple choice format
- Instant scoring
- Rich educational content
The benign neoplasm that originates from squamous epithelium is called a/an
Adenoma
Chondroma
Lipoma
Papilloma
Contact stomatitis may be caused by
Dentifrice
Lipstick
Acrylic
Antibiotics
All of the above
In the presence of an acute bacterial infection, laboratory tests will show an increase in
Polymorphonuclear leukocytes
Plasma cells
Lymphocytes
Monocytes
Eosinophils
Monoceles are most commonly found in the
Upper lip
Lower lip
Tongue
Buccal mucosa
Soft palate
The radicular or root-end cyst occurs as a result of
Trauma
Pulpal necrosis
Hyperparathyroidism
Poorly calcified bone
Excessive formation of scar tissue beyond the wound margin is called
A fibroma
A keloid
A fibro-epithelial polyp
Epithelial hyperplasia
Intermittent painful swelling in the submandibular region that increases at mealtime is indicative of
A ranula
A blockage of Wharton's duct
Ludwig's angina
A blockage of Stensen's duct
An epidemic parotitis
Which of the following is/are NOT usually affected by hereditary ectodermal dysplasia?
Salivary glands
Teeth
Sweat glands
Hair
Fingernails
The term "carcinoma in situ" implies that the lesion shows
Metaplasia
Early invasion of malignant cells through the basement membrane
Dysplasia of cells confined within the epithelium
Distant metastasis of a malignant tumor
The redness of an inflammatory lesion of oral mucosa is due to
Increased number of capillaries
Increased size of capillaires
Decreased thickness of epithelium
Decreased connective tissue elements
All of the above
Which of the following is NEVER associated with an impacted tooth?
Adeno-ameloblastoma
Odontogenic myxoma
Pindborg's tumor
Primordial cyst
Ameloblastoma
An occluded submandibular duct can be diagnosed by
History
Palpation
Sialography
Occlusal radiographs
All of the above
A 2cm, discrete, white lesion of the buccal mucosa has not resolved after elimination of all local irritants. The most appropriate management would be to
Cauterize it
Apply toluidine blue staining
Perform an incisional biopsy
Re-examine at 6 months intervals
Refer patient to family physician
Exfoliative cytology is of value in the diagnosis of
Lichen planus
Aphthous ulceration
Herpes simplex
Bening mucous membrane pemphigoid
Erythema multiforme
Which of of the following would be of greatest value in determining the etiology of an oral ulceration?
History of the oral lesion
Cytological smear
Systemic evaluation
Laboratory tests
A 20 year-old male presents with a three-day history of an acute generalized gingivitis. He has malaise, fever and bilateral cervical lymphadenopathy. A blood examination reveals: Hb: 8.9g/100ml; Platelets: 82,000/mm3; Red blood cell count: 3,900,000/mm3; White blood cell count: 870,000/mm3; Normal values: Hb: 14-18g/100ml; Platelets: 150,000-400,000/mm3; Red blood cell count: 4-5 million/mm3; White blood cell count: 5,000-10,000/mm3; The most likely diagnosis is
Thrombocytopenic purpura
Acute myelogenous leukemia
Infectious mononucleosis
Acute necrotizing ulcerative gingivitis
Trismus is most frequently caused by
Tetanus
Muscular dystrophy
Infection
Mandibular fracture
Hyperplastic lingual tonsils may resemble which of the following?
Epulis fissuratum
Lingual varicosities
Squamous cell carcinoma
Median rhomboid glossitis
Prominent fungiform papillae
A possible consequence for patients taking cyclosporine is
Erythematous gingivae
Fibrous gingival hyperplasia
Loss of soft tissue attachment
Epithelial sloughing
A well circumscribed 3mm radiolucent lesion is present in the apical region of the mandibular second premolar. The tooth responds normally to vitality tests. The radiolucency is most likely
A periapical granuloma
A periapical cyst
A chronic periapical abscess
The mental foramen
Physiologic (racial) pigmentation differs from melanoma because melanoma
Is macular
Contains melanin
Affects the gingiva
Undergoes clinical changes
Which of the following is NOT associated with Cushing's disease?
Buffalo hump
Osteoporosis
Hirsutism (excessive hair growth in certain areas of a woman's face and body)
Hypertension
Diabetes insipidus
Which of the following presents with high serum calcium levels, thinning of cortical bone and giant cell osteoclasts in the jaw and drifting teeth?
Hyperthyroidism
Hyperparathyroidism
Hypothyroidism
Hypoparathyroidism
Nystatin is the drug of choice for
Aphthous stomatitis
Candidiasis
Periodontal abscess
Necrotizing ulcerative gingivitis (NUG)
A patient with pain, fever and unilateral parotid swelling following a general anesthetic most likely has
Mumps
Sialolithiasis
Acute bacterial sialadenitis
Sjogren's syndrome
Sarcoidosis
If left untreated, a pyogenic granuloma will most likely
Shrink over time
Remain unchanged
Continue to enlarge
Burst and then heal
Burst, heal, but then occur
All of the following are well documented initiating factors of hairy tongue EXCEPT
Candidiasis
Mouth rinses
Antibiotics
Systemic coricosteriods (prednisone)
Radiotheraphy to the head and neck
Which of the following is NOT a risk factor for periodontitis?
Smoking
Poorly controlled diabetes
Coronary heart disease
Poor oral hygiene
All of the following appear as midline structures on periapical radiographs EXCEPT
Nasopalatine/incisive canal
Anterior nasal spine
Nasal septum
Zygomatic process of the maxilla
An ameloblastoma can develop from the epithelial lining of which of the following cysts?
Periradicular
Dentigerous
Residual
Lateral periodontal
A radiopague area within the alveolar process containing several rudimentary teeth suggests a/an
Periapical cemento-osseousdysplasia
Ameloblastoma
Compound odontoma
Complex odontoma
Pindborg tumor
Laboratory examination of the blood the a patient with an acute bacterial infection would show
Lymphocytosis
Leukocytosis
Monocytosis
Leukopenia
Eosinophilia
Which of the following is NOT associated with infectious mononucleosis?
Pharyngitis
Lymphadenopathy
Petechiae of the palate
Gingival enlargement
Fatigue
The term used to describe epithelial changes including nuclear hyperchromatism, loss of increased nuclear to cytoplasmic radio and abnormal mitoses is
Acanthosis
Hyperkeratosis
Parakeratosis
Hyperparakeratosis
Dysplasia
A smooth, elevated, red patch devoid of filiform paillae, located in the midline of the dorsum of the tongue immediately anterior to the circumvallate papillae is indicative of
Bening migratory glossitis
Median rhomboid glossitis
A granular cell tumor
Iron deficiency anemia
A fibroma
Patient complains of finger-like growth on the lateral aspect of the tongue. The lesion is painless and of normal colour. The MOST PROBABLE diagnosis is
Folate papillae
Filiform papillae
Neurofibroma
Papilloma
Swallowing will aid in the diagnosis of
Branchial cyst
Thyroglossal duct cyst
Ranula
Retention cyst
Globulomaxillary cyst
Painless bluish lump filled with fluid on the lips; MOST likely is
Smoker's keratosis
Squamous cell carcinoma
Mucocele
Fibroma
Fibro-epithelial polyp
In regards to Plummer-Vincent syndrome or "Paterson and Kelly Syndrome"
Iron deficiency is a feature
Atrophic oral and gastric mucosa
Dysphagia and angular cheilitis
Predisposing oral cancer
All of the above
How would you treat Denture Stomatitis
Tetracycline
Systemic penicillin
Nystatin
NSAIDS
Corticosteroid
Which of the following conditions is not classified as a white lesion
Fordyce's granules
Smoker's keratosis
Leukoplakia
Lichen planus
Lipoma
Angular cheilitis in edentulous patient with complete denture is a result of
Deficiency of vitamin
Low vertical dimension
Iron dificiency anemia
Neutropenia
Crohn disease
Sjogren syndrome is characterised by
Dryness of the mouth
Dryness of the eyes
Rheumatoid arthritis
All of the above
Long use of Tetracycline is characterized by
Aphtous ulcer
Candida Albicans
Lupus erythematosus
Lichen planus
Oral submucous fibrosis
The effects of tooth removal in healthy individuals can show as
Loss of contacts
Slight tilting
Pocket formation
TMJ problem
All of the above
Which is not a premalignant lesion/condition?
Leukoplakia
Erythema migrans/Geographic tongue
Erythroplakia
Lichen planus
Achinic cheilosis
Granulomas, cysts and chronic periapical abscesses may mostly be differentiated by
Radiographs
Electric pulp test
Biopsy
Thermal
Aspiration
Marsupialisation is a technique used in the treatment of
Pericoronitis
Granuloma
Abscesses
Mucocele
Ranula
Diagnosis of oral candidiasis (candidosis) is BEST confirmed by
Microscopic examination of smears
Biopsy
Blood count
Serological exam
Aspiration
Antibiotics should be used routinely to prevent infection arising from oral surgery in patients suffering from all the following EXCEPT
Agranulocytosis
Sever uncontrolled diabetes
Aplastic anaemia
Mumps
Leukaemia
Painful salivary gland are MOST likely to be indicate to
Mucocele
Mumps
Sjogren's syndrome
Ranula
Xerostomia
The papillae that are few in numbers, associated with MOST taste buds, associated with Von Ebner's glands are
Fungiform
Circumvallate
Foliate
Filiform
All of the above
Acute pyogenic bacteria infection may result in
Leucopoenia
Neutropenia
Leukocytosis
Lymphocytosis
Eosinophilia
A common clinical sign of occlusal traumatism is
Tooth mobility
Pocket formation
Gingival recession
Temporomandibular joint pain-dysfunction syndrome
Pulp calcifications
Gingival hyperplasia may be
Familial
Idiopathic
Drug induced
All of above
None of the above
Which of the following should be evaluated for surgical removal before new complete dentures are constructed?
Mandibular tori
Epulis fissuratum
Papillaryhyperplasia
Sharp, prominent mylohyoid ridges
All of the above
Which of the following is most likely to displace the adjacent teeth?
Lateral periodontal cyst
Dentigerous cyst
Periapical cemental dysplasia
Periapical abscess
Radicular cyst
Clinical examination of a 42 year old heavy smoker reveals a white patch in the retromolar/tonsillar pillar region. The patch cannot be wiped off. The most likely diagnosis is
Lichen planus
Leukoplakia
White sponge nevus
Frictional hyperkeratosis
Pseudomembranous candidiasis
Which of the following have a tendency to recur if not treated
Giant cell granuloma
Lipoma
Fibrous epulis
Haematoma
Pulp polyps
The tonsillar lymph node is situated at the level of
Angle of the mandible
C6 vertebrae
Jugulodigastric crossing
Clavicle
Jungulo-omohyoid crossing
Which of the following is true regarding gingivosis (Desquamative gingivitis)
It is caused by hormononal imbalance
Is seen only at or after menopause
Is frequently caused by lichen planus
Is a variant pregnancy gingivitis
Is related to nutritional disturbance
Keratotic lesion surrounded by cold web like lines/Wickham's Striae/appears as lace-like network on the buccal mucosa; your diagnosis is
Keratosis follicularis
White sponge nevus
Leukoplakia
Oral sub mucous fibrosis
Lichen planus
All of the following are keratinised EXCEPT of
Crevicular epithelim
Palatal epithelium
Alveolar mucosa
Free gingiva
Attached gingiva
On inspection of lateral border of the tongue at the base, which structure would you expect to find?
Filiform papillae
Fungiform papillae
Foliate papillae
Lymph nodes
Circumvallate papillae
Which of the following is NOT complication of radiation to head and neck area
Xerostomia
Mucositis
Increased caries
Heightened taste/increases the taste sensation
Increased risked of osteomyelitis
Odontogenic cyst develop from the following structures except
Reduced enamel epithelium of tooth crown
Dental lamina dura
Epithelium trapped after sutures
Hertwig's root sheath
A white diffuse wrinkled appearance of the buccal mucosa which diminishes in prominence or disappears upon stretching is indicative of
Leukoedema
Lichen planus
Candidiasis
Linea alba
White sponge nevus
A large pericoronal radiolucency associated with an impacted third molar tooth is most likely a/an
Ameloblastoma
Odontogenic keratocyst
Eruption cyst
Dentigenous cyst
Calcifying odontogenic cyst
The best management for a gingival cyst of the newborn is
Curettage
Incisional biopsy
Cystologic smear
Excisional biopsy
Observation
Exfoliative cytology can be useful in detecting viral cytopathologic effects in all of the following EXCEPT
Shingles
Cold sores (herpes labialis)
Chicken pox
Hairy leukoplakia
Acute herpetic gingivostomatitis
Heavy cigarette smoking significantly increases the incidence of
Aphthous stomatitis
Geographic tongue
Lichen planus
Atrophic glossitis
Mucosal pigmentation
The articular disc of the temporomandibular joint is moved by the
Later (external) pterygoid muscle
Medial (internal) pterygoid muscle
Temporal muscle
Fibres of the masseter muscle
Upper fibres of the buccinator muscle
The characteristic oral lesion(s) of homogenous leukoplakia is/are
Vesicles and bullae
Fordyce's granules
White patch that can not be rubbed of
Hairy tongue
Candidiasis (candidosis)
Variations in the structure and the appearance of the normal mucosa include
Leukoedema
Fordyce's granules
Linea alba
All of the above
Which of the following skin lesion have accompanying oral manifestations?
Lichen planus
Pemphigus vulgaris
Erythema multiforme
All of the above
Butterfly rash on nose, dryness of mouth, inflamed areas with tendency to ulcerate in an adult female is most likely
Sub burn
Lupus erythematosis
Allergic reaction
All of the above
During oral examination of 57 years old man, a large white keratotic patch that covers the entire palate is noted. Some "red dots" are also seen in this patch. The most probable explanation is that the patient is a
Pipe smoker
Snuff smoker
Cigar
Tobacco chewer
Swelling and redness of the orifice of minor salivary glands of palate occurs in
Nicotinic stomatitis
Leukoplakia
Fovea palatine
Erythroplakia
A boy shows pearly white thickening of the buccal mucosa and has been present for some years. His younger brother also has the same condition. The condition is most likely to be
Lichen planus
White sponge nevus
Leukoplakia
Submucous fibrosis
In which on of the following, vesicles and bullae are not seen
Pemhigus
Herpes zoster
Herpes simplex
Lupus erythematosis
Which one is inherited as an autosomal dominant trait?
Lichen planus
Bullous pemphigoid
Pemphigous vulgaris
White sponge nevus
None of the above
Which of the following is a precancerous lesion?
Speckled leukoplakia
Benign Migratory Glossitis
White sponge nevus
Black hairy tongue
All of above
An excisional biopsy of a nodule 5mm in diameter on the lateral border of the tongue was diagnosed as a fibroma. This patient should have
Hemisecion of the tongue
Radiotheraphy to site of biopsy
No additional therapy
Re-excision with wider margins
Radium implantation around biopsy site
The term applied to a low white blood cell count is
Leukocytosis
Leukopenia
Thrombocythemia
Thrombocytopenia
Anemia
Which of the following is necessary to make a diagnosis of an odontogenic keratocyst?
Aspiration
Exfoliative cytology
Radiographic examination
Histologic examination
All of the above
Papillary hyperplasia on the palate of a patient wearing a maxillary complete denture is most likely to be associated with
Heavy smoking
An allergy to the acrylic resin
An ill-filling denture and poor oral hygiene
Occlusion with posterior natural teeth
All of the above
A patient to broad spectrum antibiotics for four weeks presents with widespread, sore, red and white oral mucosal lesions. The most likely diagnosis is
Candidiasis
Leukoplakia
Erythema multiforme
Erosive lichen planus
Pemphigoid
Which of the following conditions is an example of a mucous retention phenomenon?
Nicotine stomatitis
Koplik's spots
Ranula
Residual cyst
Nasopalatine cyst
Dentigerous cysts are usually found
Periapically
Pericoronally
Interradicularly
Mid-root
Hairy leukoplakia is caused by which of the following viruses?
Papilloma
Epstein-Barr
Herpes simplex
Human immunodeficiency
A patient who has until recently been on prolonged corticosteriod therapy may have
Increased bleeding time
Hyposensitivity to pain
Decreased tolerance to physiological stress
An increased metabolic rate
High level of plasmatic cortisol
The physiologic wear of hard dental tissue resulting from mastication is known as
Decalcification
Attrition
Abrasion
Erosion
A radiographic term used to describe the dense bone image of the socket and septal crest is
Periodontal ligament space
Cancellous bone
Cribriform plate
Lamina dura
Cortical bone
Which oral condition predisposes to caries?
Xerostomia
Leukoplakia
Pharyngitis
Stomatitis medicamentosa
None of the above
Necrotizing ulcerative gingivitis affects MAINLY the
Attached gingivae
Gingival papillae
Alveolar mucosa
Buccal mucosa
Epithelial attachment
Swelling related to increased tissue fluid is called
Thrombosis
Edema
Hematoma
Embolism
Surgical emphysema
Which of the following is contagious?
Pemphigus
Acute herpetic gingivostomatitis
Recurrent aphtous stomatitis
Acute necrotizing ulcerative gingivitis
All of the above
A white cauliflower like protruding growth on the buccal mucosa is likely to be a
Lipoma
Papilloma
Lymphangioma
Fibroma
White sponge nevus
White sponge nevus is
A hereditary condition
Autoimmune in nature
An acquired infective condition
Chronic cheek biting
Allergic reaction
Lymphadenopathy is clinically manifested by
Hypersalivation
Swelling of the gland
Hyposalivation
Atrophy of the gland
Stone in the gland
A swelling or growth with broad base is referred to as
Papillomatous lesion
Peduncaluted lesion
Pleomorphic lesion
Sessile lesion
Nodular lesion
Gingival swelling in leukemia is due to
Inflammatory edema
Poor oral hygiene
Proliferation of blood vessels
Infiltration of leukemic cells into gingival tissues
Infiltration of microorganisms into gingival tissues
Multiple white nodular elevation with a central red dot on the posterior part of palate represent
Trush
Focal keratosis
Papillary hyperplasia
Nicotine stomatitis
Multiple warts
Leukoedema can be differentiated clinically from leukoplakia when it
Disappears while stretching the mucosa
Is bilateral in nature
Is milky white in appearance
All of the above
The most common cause of keratosis is
Physical trauma
Tobacco use
Genetic abnormalities
Mucocutaneous disease
Inflammatory reaction
Differential diagnosis of leukoedema includes the following except
Leukoplakia
Cheek biting
White sponge nevus
Aspirine burn
Linea alba buccalis
Which of the following is true regarding sublingual keratosis
It has a high rate of malignant transformation
The homogenous type is not considered as a high risk lesion
The homogenous type mixed with red component is only considered as high risk lesion
Small lesion can be left alone and managed by periodic check up
Erythroplakic lesion, on histological examinatino may show
Moderate to severe dysplasia
Severe dyplasia
Carcinoma in situ
Squamous cell carcinoma
Any of the above
Histologically carcinoma in situ may show
Mild to moderate dysplasia
Mild to severe dysplasia
Presence of a few epithelial change in the connective tissue
Top to bottom change in the epithelium
None of the above
Topical steroid is a drug of choice in the management of the following conditions except
Mucous membrane pemphigoid
Major aphthous ulcer
Cold sore
Pemphigus vulgaris
Erosive lichen planus
The following condition may be associated with iron deficiency anemia except
Burning mouth syndrome
Angular cheilitis
Xerostomia
Multiple myeloma
Atrophic glossitis
Nikolsky sign is seen in
Pemphigus
Lichen planus
Erytheme multiform
Discoid lupus erythematous
Nicotine stomatitis
The patient presents with a white lesion on the floor of the mouth of 6 months duration. The next procedure is
Take an exfoliative cytologic smear
Keep the patient under observation
Biopsy the lesion
Treat the lesion with topical steroid
Antibiotherapy
Which of the following is incorrect regarding thrush
Is seen is AIDS patient
Responds to nystain
Can affect any age group
Is caused by candida albican
Is an opportunistic infection
Chemical burn can generally be differentiated from keratotic lesions by
The exfoliative cytology
A thorough clinical examination
An incisional biopsy
An adequate history
Acute infections are characterized by the following except
Swelling
Pain
Redness
High fever
Insidious onset
Lichen planus is a common mucocutaneous disease which manifests in the oral cavity as `
Multiple discrete papules
Bullous lesions
White radiating lines
Target like lesion
Milky lesion
Characteristic features of acute bacterial sialadenitis include the following except
Tenderness and swelling of the affected gland
Pus exuding from the salivary duct
Sialorrhea
Cervical lymph node enlargement and leukocytosis
Xerostomia
The most common white lesion seen in healthy adult male is
Nicotine stomatitis
Leukoplakia
Thrush
Frictional keratosis
Linea alba buccalis
Human papilloma virus HPV can cause the following except
Condyloma accuminatum
Verruca vulgaris
Papilloma
Focal epithelial hyperplasia
Erytheme multiforme
Which is usually found when a systemic infection is present
Regional lymph node
Fever
Cellulitis
Anorexia
Asthenia
Antibiotics should be used routinely to prevent infection arising from oral surgery in patients suffering from all the following EXCEPT
Agranulogytosis
Sever uncontrolled diabetes
Aplastic anaemia
Mumps
Leukemia
Which is the LEAST likely to cause Xerostomia
Sjogren's syndrome
Emotional reaction
Antidepressants drugs
Submandibular sialolith
Painful salivary gland are MOST likely to be indicated to
Mucocele
Mumps
Sjogren's syndrome
Ranula
Adenoma
Oral mucosa and skin pigmentation occurs in patient with
Diabetes mellitus
Addison's disease
Multiple myeloma
Squamous cell carcinoma
Cushing's disease
Patient who has WBC count of just over 100,000 is most likely suffering from
Leucopoenia
Leukemia
Polycythemia
Thrombo cytopenic purpura
Anemia
Disorder of steroid will result in
Adrenal suppression
Delayed healing
Osteoporosis
All of the above
Which of the following steroids can product Cushing's syndrome?
Estradiol
Testosterone
Prednisolone
Progesterone
Diethylstilbestrol
A patient with pain, fever and unilateral parotid swelling following a general anesthetic most likely has
Mumps
Sialolithiasis
Acute bacterial sialadenitis
Sjogren's syndrome
Sarcoidosis
Allof the following are well documented initiating factors of hairy tongue EXCEPT
Candidiasis
Mouth rinse
Antibiotics
Systemic corticosteroids (Prednisone)
Radiotherapy to the head and neck
Which articular disease most often accompanies Sjogren's syndrome?
Suppurative arthritis
Rheumatoid arthritis
Degenerative arthrosis
Psoriatic arthritis
Lupus arthritis
Cell rests of Malassez are thought to originate from
Stellate reticulum
Dental papilla
Hertwig's root sheath
Stratum intermedium
Periapical odontogenic cysts are associated with
Impacted wisdom teeth
Congenitally missing teeth
Non-vital teeth
A history of traumatic injury
Impacted maxillary canine
Condensing osteitis in the periapical region is indicative of a/an
Acute inflammation of the pulp
Pulpal abscess
Early apical abscess formation
Chronic inflammation of the pulp
None of the above
Which of the following is NOT characteristic of periodontitis?
Hypertrophy
Pocket formation without exudation
Destruction of the periodontal ligament
Alveolar bone resorption
Tooth mobility
The lesion most frequently associated with an ill-fitting denture flange is
Stomatitis
Lichen planus
Epulis fissuratum
Angular cheilosis
A decrease in the neutrophil count is present in
Granulocytopenia (agranulocytosis)
Iron deficiency anemia
Myeloid leukemia
Leukocytosis
Thrombocytopenic purpura
The primordial cyst probably results from
Cystic degeneration of the stellate reticulum early in the formation of the tooth
Epithelial remnants in the periodontal ligament
An extension of pulpal inflammation after death of the pulp
Failure of formation of the enamel matrix
The dental lamina
The radiographic image of the incisive foramen is located between the roots of the maxillary
Incisors above their apices
Central and lateral incisors below their apices
Central incisors below their apices
Central and lateral incisors above their apices
The term applied to a high white blood cell count is
Leukocytosis
Leukopenia
Thrombocythemia
Thrombocytopenia
Leukemia
Postoperative bleeding in thrombocytopenic purpura is due to a deficiency of
Vitamin C
Vitamin K
Prothrombin
Platelets
Red blood cells
An abnormal decrease in the flow of saliva is associated with
Ptyalism
Sialomentaplasia
Xerostomia
Pyroglossia
None of the above
A patient wearing complete dentures complaints of tingling and numbness in the lower lip bilaterally. This is often an indication of
Allergy to denture base material
Impingement of denture on mandibular nerve
Defective occlusal contacts
Impingement of denture upon mental nerve
Neoplastic invasion of the inferior mandibular nerve
The most serious complication of a therapeutic dose of radiation to the mandible is
Skin erythema
Osteoradionecrosis
Obliterating endarteritis
Loss of hair
Hyperpigmentation of skin
Occasionally, mucous glands are seen in the epithelial lining of a dental cyst. Which of the following terms best designates this state?
Anaplasia
Metaplasia (Abnormal change in the nature of the tissue)
Dysplasia
Neoplasia
Hyperplasia
Fordyce's granules are
Ectopic sebaceous glands
Ectopic sweat glands
Small calcified nodules
Aberrant mucous glands
A 50 year old woman has a history of rheumatoid arthritis, bilateral enlargement of one or more salivary glands and lacrimal glands, as well as dryness of the eyes, nose, mouth and throat. The diagnosis is
Erythema multiforme
Reiter's syndrome
Gardner's syndrome
Sjogren's syndrome
Plummer-Vinson syndrome
A patient has an asymtomatic, white patch on the oral mucosa. Which of the following methods of examination is most likely to lead to a diagnosis?
Biopsy
Culture
Exfoliative cytology
Application of methylene blue
Serology
Radiographically, a primordial cyst will show
Mixed radiolucency and radiopacity
A radiolucency around the crown of an impacted tooth
A radiolucency containing multiple rudimentary teeth
A radiolucency
None of the above
Papillary hyperplasia under a denture is usually due to (an)
Candida albican
Ill fitting denture
Allergy to denture material
Avitaminosis
Bacterial infection
A hemorrhagic bone cyst (traumatic cyst) is a radiolucency most frequently seen
In the mandibular ramus
Posteriorly to the maxillary molars
From the symphysis to the ramus of the mandible
In the maxillary premolar area
None of the above
Ocular lesions are associated with
Lichen planus
Herpangina
Necrotizing ulcerative gingivitis
Leukoplakia
Cicatricial pemphigoid
Which of the following is caused by a specific microorganism?
Geographic tongue
Candidiasis
Median rhomboid glossitis
Garnuloma pyogenicum
None of the above
Difficulty in mouth opening, dysphagia, tongue stiffness and generalized induration of the skin are characteristic of
Lupus erythematous
Scleroderma
Erythema multiforme
Lichen planus
Malignant disease
The most likely complication following surgery for a patient with thrombocytopenic purpura would be
Angina
Hemorrhage
Dry socket
Delayed healing
Infection
A child on antibiotic therapy would be more likely to develop which of the following disease?
Herpangina
Pemphigus
Moniliasis
Herpetic gingivostomatitis
Lichen planus
A positive Nikolsky's sign is a diagnostic feature of
Lichen planus
Erythema multiforme
Pemphigus
Chronic marginal gingivitis
Lupus erythematosus
Which of the muscles of mastication is associated with the condylar head and the articular disc?
Masseter
Temporalis
Internal pterygoid
External pterygoid
A patient complains of dull, constant pain in his jaws upon awakening. You would suspect
Acute pulpitis
Sinusitis
Bruxism
Chronic gingivitis
Geographic tongue is characterized by
Congenital deformity of tissue
Atrophic filiform papillae
Association with scrotal tongue
Predominance in elderly patients
Atrophic foliate papillae
Occlusal (night) guards are used to
Treat bruxism
Reduce pocket formation
Prevent pulpitis
Permit eruption or elongation of teeth
Prevent tooth erosion
A patient with bruxism is likely to demonstrate
Radiographic evidence of the widening of the periodontal ligament
Increased mobility of teeth
Premature wear of occlusal surface
TMJ discomfort
All of the above
Abrasion is most commonly seen on the
Lingual surface of posterior teeth
Occlusal surface of posterior teeth
Incisal edges
Facial surfaces of teeth
The prolonged use of antibacterial lonzenges or mouthwashes contributes to the development of
Oral candidiasis
Geographic tongue
Fissured tongue
Koplik's spots
Aphthous ulcers
A lowering of serum calcium is the stimulus for the endogenous release of
Thyroid hormone
Adrenocortical hormone
Insulin
Parathyroid hormone
Adrenalin
Enlargement of the thyroid gland can be caused by
Insufficient fluoride
Excess iodine
Insufficient iodine
Excess calcium
Excess sodium
Which of the following has the highest rate of recurrence?
Odontogenic keratocyst
Nasoalveolar palatal cyst
Median palatal cyst
Incisive canal cyst
Radicular cyst
Which of the following lesions has a tendency to bleed easily?
Pyogenic granuloma
Osteoma
Fibroma
Papilloma
Lipoma
The cell concerned with antibody production is called
Polymorphonuclear leukocyte
Mast cell
Plasma cell
Macrophage
Megakaryocyte
Which of the following is a complication of prolonged systemic corticosteroid treatment
Oral candidiasis
Xerostomia
Aphthous stomatitis
Anorexia
Gingival hyperplasia
Acanthosis is a thickening of the following layer
Granular layer
Stratum corneum
Basal cell layer
Prickle cell layer
Koilonychia is
Bifid uvula
Auricular tags
Ankyloglossia
Mulberry molars
Spoon-shaped (concave) nails
Oral leukoplakia has the most favorable prognosis when it is
Present in a non-smoker
Accompanied by pain
Infected with Candida albicans
Speckled in appearance
On the hard palate
Which muscle defines the floor of the mouth?
Styhyoid
Digastric
Geniohyoid
Mylohyoid
Platysma
Soft, white, elevated plaques of the oral mucosa are characteristic of
Angioma
Candidosis (candidiasis)
Actinomycosis
Herpes simplex
Submucous fibrosis
Which of the following mucosae is normally keratinized?
Soft palate
Hard palate
Lateral tongue
Ventral tongue
Free gingiva
Which of the following is the most powerful jaw-closing muscle?
Temporalis
Lateral pterygoid
Masseter
Medial pterygoid
Which of the following is NOT suggestive of a diagnosis of necrotizing ulcerative gingivitis (NUG)?
Bleeding from the gingiva
"punch-out" papillae with necrotic slough
Bad breath
Metallic taste
Periodontal pocketing
Adrenal corticosteroids
Increase heart rate
Cause vasodilation
Increase protein synthesis
Reduce inflammation
The characteristic oral lesion (s) of pemphigus is/are
Vesicles and bullae
Fordyce's granules
White plaques
Hairy tongue
Candidiasis (candidosis)
Which of the following is NOT characteristic of acute leukemia?
Gingival enlargement
Decreased bleeding time
Elevated leukocyte count
Anemia
Thrombocytopenia
Which of the following type of pain is most likely to be associated with TMJ disorders
Exacerbated pain by hot or cold food
Keeps patient awake at night
Associated with muscle tenderness
Associated with trigger spots related to the trigeminal nerve
What controls the occlusion
Teeth
Receptors in periodontal membrane
Neuromuscular receptors
TMJ
All of the above
What is the typical feature of Lichen planus
Smooth rete pegs
Band of lymphocytes inflammation and hyper parakeratosis
Immunofluorescence of liquefied layer
White line on the occlusion plane
Red and white granulations
The following are sign and symptom in Ehlers-Danlos syndrome EXCEPT for
Fragility of the skin and blood vessels
Hyperlaxity of the joints
Xerostomia
Hyperelasticity of the skin
Delay wound healing
Radiography is used to detect the following conditions EXCEPT for
Impacted teeth
Retained root tips
Benign migratory glossitis
Rarefying osteitis
Cysts/radiolucent/radiopaque lesions
The following are the indications for biopsy EXCEPT for
Any lesion that persists for more than 2 weeks with no apparent etiology
Any inflammatory lesion that does not respond to local treatment after 10-14 days
Persistent hyperkeratotic changes in surface tissues
Any lesion that regress after removal its cause
Lesions that interfere with local function (e.g. fibroma)
The diagnosis of a 1.5cm white patch after incisional biopsy is severe epithelial dysplasia. The most appropriate management is
Radiotherapy
Repeat biopsy
Complete excision
Observation
All of the above
A 2cm discrete, white lesion of the buccal mucosa has not result after elimination of all local irritations. The most appropriate management would be to
Cauterize it
Apply toluidine blue staining
Perform an incisional biopsy
Refer patient to family physician
Re-examination at 6 month interval
A common clincal sign of occlusal traumatism is
Tooth mobility
Pocket formation
Gingival recession
Temporomandibular joint pain - dysfunction syndrome
Pulp calcifications
The redness of inflamed gingiva is due to
The degree of keratinization
Subgingiva deposit
Increase vasodilatation
Increase collagen fiber density
All of the above
Tooth grinding (bruxism) is due to
Premature contact in the retruded centric position
Balancing prematurities in non-working
Stress
All of the above
An increased heart rate may be associated with
Prolonged corticosteroid therapy
Hyperthyroidism
Hypothyroidism
Down syndrome
Hypocloromic anemia is associated with
Vitamin B12 deficiency
Iron deficiency
Aminopyrine therapy
Folic acid deficiency
A patient with multiple small bruises (purpura) most likely has a low count of T-cells
Platelets
Lymphocytes
Eosinophils
Erythrocyte
A clenching habit may be a factor in
Suprabony periodontal pocket formation
Marginal gingivitis
Increased tooth mobility
Generalized recession
Exophthalmia may be a sign of
Hyperadrenalism
Hyperthyroidism
Hypoadrenalism
Hypoparathoidism
Hypothyroidism
A horizontal streak on the buccal mucosa at the level of the occlusal plane extending from the commissure to the posterior teeth is called
Lichen planus
Leukoplakia
Linea able buccalis
Verruca vulgaris
Nicotine stomatitis
Odontogenic cyst develop from the following structures except
Reduced enamel epithelium of tooth crown
Remnants of dental lamina epithelium entrapped within the gingiva
Epithelium trapped after sutures of maxillary processes
Hertwig's root sheath
Granulation tissue which extends coronally from the pulp of a carious tooth is known as
Epulis granulomatosum
A pulp polyp
A pyogenic granuloma
A fibroma
A papilloma
Which of the following is the most common form of internal temporomandibular joint (TMJ) derangement?
Osteoarthritis of the TMJ
Anterior misalignment
Secondary degenerative arthritis
Capsulitis
If at some point in the joint's excursion, the disk returns to the head of the condyle, the derangement is said to be with reduction. In what proportion of the population does TMJ derangement with reduction occur?
One tenth
One fourth
One third
One half
Diagnosis of TMJ disk derangement with reduction requires observation of the jaw when the mouth is opened. Which of the following does the patient experience when the jaw is opened > 10 mm (measured between upper and lower incisors)?
Numbness
Severe pain
Click or pop
Tinnitus
When initial treatments of capsulitis due to disk derangement are unsuccessful, which of the following treatment is used?
Corticosteroids injected into the TMJ
Splinting
Muscle relaxation
Jaw rest
A patient presents with small yellow spots, present bilaterally on buccal mucosa opposite to posteior teeth without any other associated complaint. Most probable diagnosis of the condition is
Koplik's spot
Fordyce's granules
Melanotic macule
White sponge nevus
A patient present with asymtomatic, smooth, circumscribed red area in midline anterior to circumvallate paillae on the dorsum of tongue with microscopic evidence of epithelial hyperplasia. The most probable diagnosis of the condition is
Geographic tongue
Hairy tongue
Median rhomboid glossitis
Lingual thyroid
In hairy tongue, there is hypertrophy of
Fungiform papillae
Filiform papillae
Foliate papillae
Circumvallate papillae
A patient record with an asymtomatic white patch on buccal mucosa which cannot be rubbed off. The patch was present for the last 3 months. Patient is a heavy cigarette smoker. Most probable diagnosis of the lesion is
Leukoplasia
Candidiasis
Erythroplakia
White sponge nevus
Skin lesions of the hereditary hemorrhagic telangiectasia are most common on
Arms
Abdomen
Legs
Face
Characteristic hemorrhagic lesions of the hereditary hemorrhagic telangiectasia occurs most often on
Tongue
Lips
Gingival
Palate
Primary Sjogren's syndrome consists of keratoconjunctivitis sicca and
Xerostomia
Rheumatoid arthritis
SLE
Scleroderma
Triad of Sjogren's syndrome consists of keratoconjunctivitis sicca and
Conjunctivitis, stomatitis, rheumatoid arthritis
Keratoconjunctivitis, xerostomia, rheumatoid arthritis
Keratoconjunctivitis, xerostomia, osteoarthritis
Conjunctivitis, stomatitis, urethritis
A patient presents with slightly painful white lesions of oral mucosa which when wiped off shows the red surface underneath. The patient is on penicillin therapy for last 12 weeks. The most likely diagnosis of lesion is
Actinomycosis
Candidiasis
Lichen planus
Leukoplakia
Sialoliths are mainly composed of
Calcium phosphate
Calcium oxide
Calcium carbonate
Calcium sulphate
Which of the following groups of lymph nodes is first to exhibit lymphadenopathy in cases of infection mononucleosis
Axillary
Cervical
Inguinal
Mediastinal
An early oral manifestation of infectious mononucleosis is
Palatal petechiae
Oral ulceration
Inflammation of mucous membrane
Edema of soft palate and uvula
Most common form of leukaemia in children is
Acute lymphocytic leukaemia
Chronic myeloid leukaemia
Acute monocytic leukaemia
Chronic lymphocytic leukaemia
In thrombocytopenic purpura
Bleeding time is normal, clotting time is prolonged
Both bleeding and clotting time are prolonged
Bleeding time is prolonged, clotting time is normal
Both bleeding time and clotting time are normal
A patient presents with spontaneous necrotizing ulcers of oral cavity. On laboratory examniation, RBC count was normal but WBC count was 2,000 with lymphocytes 65% neutrophils 5%, monocytes 28%, eosinophils 2% and basophils 0%. The most likely diagnosis is
Infectious mononucleosis
Agranulocytosis
Cyclic neutropenia
Leukaemia
A patient presents with petechiae on oral mucosa with gingival bleeding. Blood examination shows platelet count of 30,000/mm3 with increase in bleeding time and cloth retraction time, RBC, WBC are normal. Most probable diagnosis is
Hemophilia
Infectious mononucleosis
Thrombocytopenic purpura
Anemia
A patient presents with an asymptomatic white corrugated patch present bilaterally on his buccal mucosa. He also reports the occurrence of same kind of lesion in his mother and younger brother. Most likely diagnosis is
Pemphigus
Leukoedema
Candidiasis
White sponge nevus
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