(151-200) Dental pathology

Odontolithiasis is better known as?
Plaque
Calculus
Salivary calculi
Caries
Which amongst the following correctly depicts the stages in formation of calculus?
Pellicle → Bacterial colonization → Plaque formation and mineralization.
Pellicle → Bacterial colonization → Degradation of carbohydrates.
Bacterial colonization → Degradation of carbohydrates → Enamel dissolution
Pellicle → Plaque maturation → Bacterial colonization → Calculus
Maximum accumulation of calculus can be seen in which of the following regions?
Palatal surfaces of maxillary anterior teeth
Palatal surfaces of maxillary posterior teeth
Buccal surfaces of maxillary posterior teeth
Buccal surfaces of mandibular anterior teeth
The chief inorganic component in calculus is?
Calcium carbonate
Hydroxyapatite
Calcium phosphate
Calcium sulfate
The hardness of calculus is almost like that of?
Cementum
Enamel
Bone
Dentin
All of the below given factors are responsible for causing dental caries except?
Dental plaque
Diet
Microorganisms
Temperature
According to miller, which of these acids was held responsible for producing the lesions of dental caries, according to Miller?
Lactic acid
Ascorbic acid
Picric acid
Citric acid
Which inorganic constituent is present in highest concentration in dental plaque?
Phosphorus
Calcium
Iron
Fluorine
A caries increment of __ or more new carious lesions over one year is considered characteristic of rampant caries?
8
5
10
15
Acute dental caries occurs most frequently in children and young adults because?
Dentinal tubules are scleroses in the teeth of young people
The apex of root of teeth are not formed completely
Dentinal tubules are narrower in diameter
Dentinal tubules are larger, open and show no sclerosis
Nursing bottle caries is a type of _______ caries?
Acute
Recurrent
Rampant
Arrested
Absence of caries in _______ teeth helps to distinguish nursing bottle caries from rampant caries?
Maxillary canines
Mandibular incisors
Maxillary incisors
Mandibular canines
The phenomenon by which bacteria circulating in blood accumulate at the site of pulpal inflammation is called as?
Chemotaxis
Retrograde pulpitis
Anachoretic pulpitis
Aerodontalgia
All of the following except _______ occur as a sequel to pulpitis.?
Lateral periodontal cyst
Periapical granuloma
Apical periodontal cyst
Periapical abscess
All of the following except _______ are common radiological features associated with a periapical granuloma.?
Thickening of PDL around root apex
Well-defined radiopacity
Root resorption of involved tooth
Well-defined radiolucency with sclerotic borders
Giant cell hyaline angiopathy and Rushton bodies are associated with which of the following lesions?
Ludwig angina
Odontogenic keratocyst
Pulp polyp
Periapical granuloma
Which cells, secreting osteoclast activating factor are believed to be responsible for much of root and bone destruction in periapical granulomas?
B lymphocytes
T lymphocytes
Macrophages
Mast cells
Foam cells within periapical granulomas are ______ cells that have ingested lipids.?
Polymorphonuclear leukocytes
Langerhans cells
Macrophages
Plasma cells
_________ is least likely to produce any noticeable signs or symptoms.?
Radicular cyst
Acute pulpitis
Periapical abscess
Ludwig angina
What term is applied to a radiolucent lesion within the alveolar ridge at the site of a previous tooth extraction?
Lateral radicular cyst
Lateral periodontal cyst
Residual cyst
Periapical abscess
All except _____ are deposits found on tooth surfaces.?
Acquired pellicle
Calculus
Plaque
Nasmyth’s membrane
Acquired pellicle is primarily composed of?
Glycoproteins
Glycosaminoglycans
Collagen
Heparan sulfate
Which types of bacteria predominate in the organic matrix ofcalculus?
Gram-positive filamentous
Gram-positive bacilli
Gram-negative bacilli
All except _________ are principal causes of halitosis.?
Unclean prostheses
Taurodontism
Sweet odor of diabetes
Respiratory tract infection
What is the causative factor of plasma cell gingivitis?
Allergy to a component of chewing gum, dentifrices or food component
Allergy to antibiotics
Infection by filamentous bacteria
Infection by herpes zoster virus
Which amongst the following drugs are capable of inducing gingivitis either directly or systemically?
Acyclovir
Dilantin
Diclofenac
Ampicillin
During the course of gingivitis if bony changes become evident on a radiograph, the condition is then referred to as?
Acute necrotizing ulcerative gingivitis
Periodontitis
Plasma cell gingivitis
Desquamative gingivitis
Acute necrotizing ulcerative gingivitis is on the rise globally in association with?
Tuberculosis
Hepatitis B
AIDS
Diabetes
ANUG is now believed to be caused by a fusiform bacteria and?
Actinomyces israelii
Actinomyces naeslundii
Treponema pallidum
Borrelia vincentii
Which is considered to be one of the most important predisposing factors in the causation of ANUG?
Allergy to drugs
Decreased resistance to infections
Hormonal changes
Malnutrition
All, of the following except _______ are potentially serious complications of ANUG.?
Noma
Toxemia
Squamous cell carcinoma
Septicemia
All, except ________, are believed to be causative factors of desquamative gingivitis.?
Dermatoses
Hormonal influences
Idiopathic
Decreased resistance to infections
Which amongst the following are believed to be the most important dermatoses presenting with oral findings described as desquamative gingivitis?
Dyskeratosis congenita
Psoriasis
Erythema multiforme
Cicatricial pemphigoid
The etiology of which of the following gingival enlargements is still unknown?
Fibrous epulis
Plasma cell gingivitis
Scurvy
Fibromatosis gingivae
Pregnancy gingivitis is essentially a?
Plasma cell gingivitis
Fibrous epulis
Pyogenic granuloma
Peripheral ossifying fibroma
Chronic periodontitis usually begins as?
Marginal gingivitis
Marginal periodontitis
Pyogenic granuloma
Chronic gingivitis
One of the early microscopic signs of advancement of inflammatory process into the periodontium is?
Ulceration of crevicular epithelium
Infiltration of connective tissue with plasma cells
Appearance of osteoclasts on alveolar crest
Appearance of osteoblasts on alveolar crest
The earliest radiographic finding in periodontitis is?
Widening of periodontal space
Blunting of alveolar crest
Loss of trabeculae in the alveolar crest
Formation of suprabony pocket
Factors that interfere with reattachment of fibrous connective tissue to the tooth include all of these except?
Crevicular epithelium
Tooth mobility
Necrotic cementum
Dental caries
The localized form of aggressive periodontitis is largely caused by all of the following bacteria except?
Porphyromonas gingivalis
Bacteroides forsythus
Actinomyces actinomycetemcomitans
Lactobacillus acidophilus
Palmar and plantar hyperkeratosis, generalized hyperhidrosis, peculiar dirty colored skin along with aggressive periodontitis is referred to as?
Frey’s syndrome
Desquamative gingivitis
Papillon—Lefevre syndrome
Scurvy
A pseudopocket is?
Periodontal pocket with furcation involvement
Pocket limited to gingiva
Pocket with base extending past cementoenamel junction
Pocket with base extending past the crest of alveolar bone
An infrabony pocket is a pocket with bone on its ________ wall.?
Buccal
Lateral
Lingual
Apical
All of the following statements except one are true regarding chronic periodontitis?
It begins as marginal gingivitis
The epithelial attachment begins to migrate cervically
Teeth become mobile
Patients may complain bleeding gums and hyper-sensitivity around necks of their teeth
Which amongst the following systemic diseases involves gingivae prominently?
Tuberculosis
Syphilis
Crohn’s disease
Leprosy
Phlegmon is also known as?
Osteomyelitis
Cellulitis
Diabetes
Abscess
Infections arising in maxilla perforate the outer cortical plate of bone above _______ muscle.?
Buccinator
Orbicularis oris
Masseter
Lateral pterygoid
Tissue spaces are potential spaces located between?
Tendons
Muscles
Fascia
Ligaments
Buccal space is bounded posteriorly by ______ muscle.?
Zygomaticus major
Zygomaticus minor
Anterior edge of masseter
Lateral pterygoid
Pterygomandibular space infection arises as a result of extension of infection in ________ region.?
Mandibular 3rd molar
Mandibular 2nd molar
Mandibular canine
Maxillary tuberosity
{"name":"(151-200) Dental pathology", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"Odontolithiasis is better known as?, Which amongst the following correctly depicts the stages in formation of calculus?, Maximum accumulation of calculus can be seen in which of the following regions?","img":"https://www.quiz-maker.com/3012/images/ogquiz.png"}
Powered by: Quiz Maker