Medical MCQs

5099 MCQs  (Page 300 of 510)

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
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
The syndrom which consists of cleft palate micrognathia and glossoptosis is known as_____________?
A. Marfan’s syndrome
B. Crouzon’s syndrome
C. Paget’s disease
D. Pierrerobin syndrome
Teeth that erupt with in 30 days of birth are called________________?
A. Natal teeth
B. Neonatal teeth
C. Primary teeth
D. Prenatal teeth
True ankyloglossia occurs as a result of________________?
A. Union between tongue and floor of mouth
B. Absence of lingual frenum
C. Lingual frenum attached to the tip of tongue
D. Short lingual frenum