Dental Mcq

A child fractured a permanent maxillary central incisor 15 minutes ago.Examination of the tooth reveals a pin point pulp exposure and a wide open root apex.This condition is best treated by a. formocresol pulpotomy b. pulpectomy and root canal c. calcium hydroxide pulpotomy d. direct pulp capping with calcium hydroxide Ans: d 2. 1.dentin islands are most commonly ass with a.max canine and mand premolar b.max incisors and canine c.mand premolar and max first molar d.mand 1st molar and max premolar Ans-was A in one book and D in another 3. A child spends his first seven years in a community in temporate zone ,the water supply of which contains 3 ppm. of fluoride. Some mottling of the teeth will probably develop in a. all teeth b. all permanent teeth, except third molars c. lateral incisors ,canines, premolars and third molars d. none of the above Ans: b