Most demineralised zone in enamel caries:____________? A. Translucent zoneB. Body of lession C. Dark zone D. Surface zone

Most used selective medium for streptococcus mutans is:____________? A. Mac conkey mediumB. Mitus salivarius bacitracin agar C. Nutrient agar D. Tellurite medium

The cells most frequently found in a granuloma are:___________? A. Mast cells B. Giant cellsC. Lymphocytes D. Neutrophilis

Tiny linear or arc-shaped bodied, amorphous, brittle and eosinophilic in reaction found in association with some odontogenic cysts, are called:___________? A. Civattle bodies B. Russell bodies C. Guarneri bodiesD. rushton bodies

Low grade infection which leads to localized periosteal reaction is:____________? A. Garre’s osteomyelitis B. Acute osteomyelitis C. Condensing osteitis D. Local alveolar osteitis

Cyst arising from rests of malassez is:___________? A. Dental cyst B. Dentigerous cystC. Radicular cyst D. Karato cyst

The tooth most commonly involved in chronic focal sclerosing osteomyelitis is:___________? A. Maxillary second molar B. Maxillary third molar C. Maxillary first molarD. Mandibular first molar

Three stages in progression of acute odontogenic infection are:___________? A. Periapical osteitis, cellulitis, abscess B. Abscess, cellulitis, osteitis, Periapical C. cellulitis, Abscess, Periapical, osteitis D. Periapical osteitis, abscess, cellulitis,

The fascial spaces involved in ludwig’s angina are___________? A. Unilateral – submandibular & sublingual spaces B. Bilateral – submandibular & sublingual spaces C. Unilateral – submandibular sublingual & submental spacesD. Bilateral – submandibular sublingual & submental spaces

The chronic osteomyelitis of the jaw consists of:_____________? A. condensing osteitis B. Sclerotic cemental mass C. chronic diffuse sclerosing osteomyelitisD. All of the above