Oral Pathology Test |308 Questions| With Correct Answers.

Bacterial, superficial skin infection caused by Staph aureus alone or with Strep pyogenes. Increased prevalence in HIV, type 2 diabetes or dyalisis. Nonbullous impetigo: more common in school-aged children, also adults. Red macule or papules-->fragile vesicles-->rupture and covered with thick crust. Legs, trunk, scalp and face. Bullous impetigo: Infants and newborns, superficial vesicles-->larger flaccid bullae-->rupture with thin brown crust TTT Small lesions: Topical fusidic acid. Extensive lesions: 1 week systemic oral antibiotics (Cephalexin) {Ans: Impetigo}From the dental pulp or Follicular Connective tissue Btwn 25-30 yo Painless, slowly enlarging swelling. Teeth displacement and root resorption in Mandible Uni or Multilocular RL areas w/ margins Scalloped. "SOAP BUBBLE" or "TENNIS RACKET" pattern (trabeculae) Stellate, Spindle -Shaped w/ loose myxoid stroma (gelatinous) Surgical Excision high recurrence {Ans: Odontogenic Mixoma}Enamel is normal in thickness & poorly calcified (Lack of enamel protien), chips easily same like Hypomaturation but X-ray E less RO than dentin. {Ans: Hypocalcified Amelogenesis Imperfecta}Most common melanotic lesion Focal increase in melanin production which is solitary, well demarcated, dark to brown asymptomatic 7MM or less. Vermilion border of lower lip, which is independent of sun exposure. No malignant transformation {Ans: Malanotic macule - Focal melanosis}Type 3 hypersensitivity, perivascular