Question: Which of the following differentiates between condensing osteitis and benign cementoblastoma?

• 1. Condensing osteitis is associated with vital teeth where as cementoblastoma is associated with non-vital teeth
• 2. In condensing osteitis radiopacity is attached to tooth where as in cementoblastoma it is not
• 3. Cementoblastoma is associated with vital tooth where as condensing osteitis is associated with non-vital tooth
• 4. In cementoblastoma radiopacity is attached to tooth where as in condensing osteitis it is not

Question: Constant feature associated with a radicular cyst:

• 1. An impacted tooth
• 2. A missing both
• 3. A non-vital tooth
• 4. An anomalous tooth

Question: The caries of enamel surface leads to accentuation of:__________?

• 1. Incremental lines of retzius
• 2. Perikymata
• 3. Imbrication lines of pickerill
• 4. Wickham’s striae

Question: Odontogenic epithelium responsible for the formation of dental cyst is:___________?

• 1. Cell rests of seirre
• 2. Enamel organ
• 3. Reduced enamel epithelium
• 4. Cell rests of malassez

Question: Which is not true of Ludwig’s angina?

• 1. Usually arises from an infected molar
• 2. involves submandibular space
• 3. May need emergency tracheostomy
• 4. None of the above

Question: Reversible pulpitis change to irreversible pulpitis primarily because of:__________?

• 1. Vacular strangulation
• 2. Reduced host resistance
• 3. Invasion of microorganisms
• 4. An increase in microbial virulence

Question: Pain due to acute irreversible pulpitis is:____________?

• 1. Spontaneous
• 2. Sharp- shock like
• 3. Lasting for short time
• 4. Continuous

Question: A person experiences throbbing pain at night. It is due to:__________?

• 1. Acute Pulpal degeneration
• 2. Acute periodontal abscess
• 3. Chronic pulpitis
• 4. Cellulitis

Question: 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:____________?

• 1. Cementoma
• 2. Condensing Osteitis
• 3. Chronic apical periodontitis
• 4. Acute apical periodontitis

Question: Acute osteomyelitis is most frequently caused by which of the following microorganisms?

• 1. Gonococcus
• 2. Enterococcus
• 3. Streptococcus
• 4. Staphylococcus