(201-254) Dental pathology

Inferior portion of _______ space is called as pterygomandibular space.?
Buccal
Temporal
Infratemporal
Masseteric
The pterygomandibular space abscess must be distinguished from the _______ space.?
Peritonsillar
Infratemporal
Retropharyngeal
Submasseteric
Lateral pharyngeal space infections have the potential to spread upward through ________ and cause cavernous sinus thrombosis, meningitis and brain abscess.?
Various foramina at base of skull
External carotid artery
Internal carotid artery
Submandibular space
Mediastinitis results from downward extension of ______ space infection.?
Retropharyngeal
Lateral pharyngeal
Infratemporal
Pterygomandibular
Infection in the parotid space reaches as a backward extension along the parotid duct or from ______ space.?
Retropharyngeal
Buccal
Infratemporal
Lateral pharyngeal
The lateral pharyngeal space is bounded laterally by?
Carotid sheath
External carotid artery
Internal carotid artery
External jugular vein
______ forms the posterior boundary of the submasseteric space.?
Parotid gland
Submandibular salivary gland
Sublingual salivary gland
Anterior ramus
Infection of submasseteric space usually arises from?
Mandibular 1st molar
Mandibular 3rd molar
Parotid space
Buccal space
The submaxillary or submandibular space is bounded laterally by?
Carotid fascia
Skin and superficial fascia
Mylohyoid muscle
Omohyoid
This space is one of the most commonly involved of all facial spaces?
Submental
Sublingual
Submandibular
Buccal
Infection in sublingual space may arise as an extension from ______ space.?
Submandibular
Submental
Buccal
Submasseteric
Submental space extends from the anterior border of submandibular space to?
Midline
Sublingual space
Mandibular incisors
Symphysis menti
Ludwig’s angina is a severe form of?
Cellulitis
Osteomyelitis
Abscess
Cardiac disease
Ludwig’s angina is diagnosed as such only when submandibular, submental and ______ spaces are involved together.?
Buccal
Lateral pharyngeal
Submasseteric
Sublingual
The swelling in case of Ludwig’s angina, usually occurs in?
Tongue
Floor of mouth
Maxillary tuberosity
Larynx
Dental infections are carried to the cavernous sinus by means of?
Pterygopalatine vessels
Pterygoid plexus of veins
External carotid artery
Internal carotid artery
Which one of the following situations can be a source of focal infection in oral cavity?
Periapical granuloma
Periapical abscess
Periodontal disease
Odontogenic keratocyst
The occurrence of odontogenic maxillary sinusitis is dependent to a great extent on the relation and proximity of ______ to the maxillary sinus.?
Canine, first and second premolars
Canine and first premolar
Second and third molars
Second premolar, first and second molar
Which amongst the following is not an intracranial complication of dental infections?
Cavernous sinus thrombosis
Brain abscess
Maxillary sinusitis
Leptomeningitis
The primary microorganism in the etiology of Ludwig’s angina is?
Streptococci
Staphylococci
Actinomyces
None of above, it is a mixed infection
One of the characteristic clinical presentations of cavernous sinus thrombosis is?
Exophthalmos with edema of eyelids and chemosis
Nyctalopia
Proptosis
Asphyxiation
Antrolith can be detected in?
Odontogenic maxillary sinusitis
Chronic maxillary sinusitis
Acute maxillary sinusitis
Chronic sialadenitis
The sinus polyps of chronic maxillary sinusitis microscopically show?
Hyperplastic stratified squamous epithelium
Hyperplastic pseudostratified squamous epithelium
Hyperplastic ciliated epithelium
Hyperplastic granulation tissue with lymphocytic infiltration
Oral foci of infection can be aggravated by all of the following conditions.?
Tuberculosis
Ischemic heart disease
Subacute bacterial endocarditis
Diabetes
________ is also known as follicular cyst.?
Odontogenic keratocyst
Calcifying odontogenic cyst
Lateral periodontal cyst
Dentigerous cyst
A dentigerous cyst develops due to collection of fluid between _________ and tooth surface.?
Reduced dental epithelium
Stellate reticulum
Internal dental epithelium
External dental epithelium
The tooth most commonly involved by dentigerous cyst is?
Maxillary canine
Maxillary 3rd molar
Mandibular 2nd premolar
Mandibular 3rd molar
Which one of the following is not a radiographic variety of dentigerous cyst?
Central
Collateral
Lateral
Circumferential
A well-defined radiolucent lesion attached to the neck of an impacted mandibular third molar in a 20-year-old male is most likely to be?
Dentigerous cyst
Odontogenic keratocyst
Lateral periodontal cyst
Calcifying odontogenic cyst
Multiple odontogenic keratocysts, basal cell carcinomas and bifid ribs are features of ________ syndrome.?
Gardner
Gorlin-Goltz
Grinspan
Kelly Paterson
Which one of the following odontogenic cysts grows in an anteroposterior direction within the medullary spaces of bone?
Dentigerous cyst
Odontogenic keratocyst
Gingival cyst of adults
Radicular cyst
“Picket fence” or “Tombstone” appearance of basal cell layer of cyst lining is a characteristic feature seen in _________.?
Odontogenic keratocyst
Dentigerous cyst
Radicular cyst
Lateral periodontal cyst
All of the following statements except _______ are true regarding odontogenic keratocyst?
Seen primarily in mandibular molar—Ascending ramus region
Epithelial lining is thin and friable
Originates from cell rests of Malassezia
Epithelial lining is keratinized
Which one of the following is an important factor in the recurrence of odontogenic keratocysts?
Presence of exudate in the cyst lumen
Presence of inflammation in connective tissue wall
Friable and thin epithelial lining
Development of new cysts from the cell rests of Malassezia in the vicinity
All of the following except _____________ are examples of developmental odontogenic cysts.?
Radicular cyst
Calcifying odontogenic cyst
Gingival cyst of adults
Lateral periodontal cyst
A primordial cyst is now believed to represent?
Calcifying odontogenic cyst
Odontogenic keratocyst
Lateral periodontal cyst
Botryoid odontogenic cyst
Small, superficial, keratin filled cysts that are found on the alveolar mucosa of infants are most likely to be?
Median mandibular cyst
Nasopalatine duct cyst
Gingival cyst of the newborn
Eruption cyst
Spot the only fissural/inclusion cyst amongst the below given cysts?
Lateral periodontal cyst
Nasopalatine duct cyst
Glandular odontogenic cyst
Dentigerous cyst
An eruption cyst is a soft tissue analogue of?
Radicular cyst
Gingival cyst of newborn
Dentigerous cyst
Odontogenic keratocyst
A smooth, translucent swelling on gingival mucosa overlying the crown of an erupting tooth is suggestive of?
Parulis
Eruption cyst
Gingival cyst of adults
Gingival cyst of newborn
Which amongst the following cysts has a predilection for occurrence in mandibular canine-premolar region?
Gingival cyst of adults
Gingival cyst of newborn
Radicular cyst
Dentigerous cyst
Botryoid odontogenic cyst is a variant of which of the following cysts?
Gingival cyst of adults
Lateral periodontal cyst
Odontogenic keratocyst
Calcifying odontogenic cyst
Which one of the following cysts is considered to be a soft tissue counterpart of lateral periodontal cyst?
Gingival cyst of newborn
Radicular cyst
Calcifying odontogenic cyst
Gingival cyst of adults
Carcinoma arising within the odontogenic cyst linings is a complication seen most commonly in which cyst?
Dentigerous cyst
Odontogenic keratocyst
Lateral periodontal cyst
Radicular cyst
A lateral periodontal cyst must be distinguished radiologically from which other odontogenic cyst?
Lateral dentigerous cyst
Collateral keratocyst
Epstein’s pearls
Eruption cyst
A median palatal cyst arises from?
Epithelium entrapped along the line of fusion of palatalprocesses of maxilla
Cystic degeneration of remnants of nasopalatine duct
Cystic degeneration of rests of dental lamina
Cystic degeneration of epithelial rests of Malassezia
Gorlin cyst is more commonly referred to as?
Odontogenic keratocyst
Calcifying odontogenic cyst
Lateral periodontal cyst
Glandular odontogenic cyst
A common odontogenic tumor, odontoma is most commonly associated with?
Calcifying odontogenic cyst
Dentigerous cyst
Odontogenic keratocyst
Radicular cyst
Histological features of thin epithelial lining, ameloblast-like basal cell layer with overlying layers resembling stellate reticulum and abundant ghost cell within the epithelial lining are suggestive of?
Dentigerous cyst
Radicular cyst
Calcifying odontogenic cyst
Odontogenic keratocyst
A swelling of the upper lip lateral to the midline resulting in elevation of the ala of the nose is most likely to be?
Nasopalatine duct cyst
Nasolabial cyst
Medial mandibular cyst
Globulomaxillary cyst
Which one of following odontogenic cysts is not usually associated with an unerupted tooth?
Dentigerous cyst
Eruption cyst
Gingival cyst of adults
Calcifying odontogenic cyst
Spot the only inflammatory odontogenic cysts amongst the below given cysts?
Calcifying odontogenic cyst
Odontogenic keratocyst
Lateral periodontal cyst
Buccal bifurcation cyst
Select a false statement regarding calcifying odontogenic cyst from below given statements?
Numerous ghost cells are seen in connective tissue wall
It is seen mostly in the anterior maxilla and mandible
Usually associated with an impacted/unerupted tooth
Cyst lining appears ameloblastomatous
Microscopic features of ___________ in some areas sometimes resemble those of a low grade mucoepidermoid carcinoma.?
Buccal bifurcation cyst
Nasopalatine duct cyst
Sialo-odontogenic cyst
Gingival cyst of the newborn
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