A. Trauma to the tooth germ during root development
B. Abnormal displacement of tooth germ during root development
C. Abnormal proliferation of enamel epithelium during tooth development
D. Abnormal displacement of ameloblasts during tooth formation
Related Mcqs:
- Which of the following is unlikely to cause enamel hypoplasia ?
A. Rickets
B. Fluoride
C. Congenital syphilis
D. Cleidocranial dysostosis - Deficiency of which of the following will cause enamel hypoplasia ?
A. Vitamin B and C
B. Vitamin A, C and D
C. Calcium
D. Vitamin C - Which of the following does not cause oral cancer in children ?
A. Herpes simplex
B. Esptein bar
C. Cytomegalovirus
D. Varicella zoster - Injury to the motor division of the mandibular nerve will cause paralysis of the following except ______________?
A. Medial pterygoid
B. Masseter
C. Buccinator
D. Anterior belly of digastric - Which of the following viruses are most likely to cross placenta and cause foetal defect ?
A. Herpes Simplex
B. Mumps
C. Rubella
D. Papilloma - Which of the following antihypertensive agents in most likely to cause an exaggerated response to an injected catecholamine_____________?
A. Propranolol
B. Hydralazine
C. A thiazide diuretic
D. Gauanethidine - All of the following drugs cause dryness of mouth except_______________?
A. Atropine
B. Chlorpheniramine
C. Imipramine
D. Neostigmine - Which of the following can cause seizure ?
A. Tramadol
B. Isoniazid
C. Levocetrizine
D. Tacrolimus - Which among the following anti-histamines, is Least likely to cause sedation_____________?
A. Promethazine
B. Diphenhydramine
C. Hydroxyzine
D. Loratidine - With prolonged use in seizure states, which of the following drugs can cause coarsening of facial features, hirsutism, gingival hyperplasia and osteomalacia?
A. Valproic acid.
B. Carbamazepine.
C. Ethosuximide.
D. PhenytoinSubmitted by: Dr.Tassawer-e-Meran
