An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?
(A) Cementoma
(B) Condensing Osteitis
(C) Chronic apical periodontitis
(D) Acute apical periodontitis
A person experiences throbbing pain at night. It is due to:__________?
(A) Acute Pulpal degeneration
(B) Acute periodontal abscess
(C) Chronic pulpitis
(D) Cellulitis
Pain due to acute irreversible pulpitis is:____________?
(A) Spontaneous
(B) Sharp- shock like
(C) Lasting for short time
(D) Continuous
Reversible pulpitis change to irreversible pulpitis primarily because of:__________?
(A) Vacular strangulation
(B) Reduced host resistance
(C) Invasion of microorganisms
(D) An increase in microbial virulence
Which is not true of Ludwig’s angina?
(A) Usually arises from an infected molar
(B) involves submandibular space
(C) May need emergency tracheostomy
(D) None of the above
Odontogenic epithelium responsible for the formation of dental cyst is:___________?
(A) Cell rests of seirre
(B) Enamel organ
(C) Reduced enamel epithelium
(D) Cell rests of malassez
The caries of enamel surface leads to accentuation of:__________?
(A) Incremental lines of retzius
(B) Perikymata
(C) Imbrication lines of pickerill
(D) Wickham’s striae
Constant feature associated with a radicular cyst
(A) An impacted tooth
(B) A missing both
(C) A non-vital tooth
(D) An anomalous tooth
Which of the following differentiates between condensing osteitis and benign cementoblastoma?
(A) Condensing osteitis is associated with vital teeth where as cementoblastoma is associated with non-vital teeth
(B) In condensing osteitis radiopacity is attached to tooth where as in cementoblastoma it is not
(C) Cementoblastoma is associated with vital tooth where as condensing osteitis is associated with non-vital tooth
(D) In cementoblastoma radiopacity is attached to tooth where as in condensing osteitis it is not
An acute apical abscess is usually a result of:__________?
(A) Periodontal pocket
(B) Occlusal interference
(C) Necrotic pulp
(D) Chronic gingivitis