Gemination of teeth occur due to______________?
(A) Division of a single tooth bud after calcification
(B) Division of a single tooth bud before calcification
(C) Fusion of two teeth before calcification
(D) Fusion of two teeth after calcification
Ghost teeth is seen in which of the following_________________?
(A) Dens is dent
(B) Regional odontodysplasia
(C) Dentin dysplasia
(D) None of the above
Dentinogensis imperfecta differs from amelogenesis imperfecta in that, the former is_____________?
(A) A hereditary disturbance
(B) The result of excessive fluoride ingestion
(C) The result of faulty enamel matrix formation
(D) Characterized by calcification of pulp chambers and the root canals of the teeth
A patient notices a well demarcated area of depapillation on his tongue which has been there for as long as he can remember, The most probable diagnosis_____________?
(A) Median rhomboid glossitis
(B) Geographic tongue
(C) Black hairy tongue
(D) Moeller’s glossitis
Most common missing tooth in the permanent dentition is_____________?
(A) Maxillary canine
(B) Maxillary first molar
(C) Mandibular second premolar
(D) Mandibular first molar
Ectopic sebaceous glands in the mouth are called________________?
(A) Linea alba buccalis
(B) Heck’s disease
(C) Lingual verices
(D) Fordyce spots
Lingual tonsils arise___________________?
(A) As developmental anomalies
(B) From carcinomatous transformation
(C) As a result of hyperpalsia
(D) Due to repeated trauma in the area
Clinical evidence of dentinogenesis imperfecta is______________?
(A) Defective enamel and dentine
(B) Defective dentine and obliterated pulp chamber
(C) Increased rate of caries
(D) Oligodontia
False about anodontia_______________?
(A) May involve both the deciduous and the permanent dentition
(B) In false anodontia tooth doesn’t undergo full development
(C) May involve a single tooth
(D) In total anodontia all teeth are missing
All are true about supernumerary tooth except_______________?
(A) May have resemblance to normal teeth
(B) Disto molars doesn’t resemble any other tooth
(C) Mesiodens is the most common supernumerary tooth
(D) More common in mandible