Medical MCQs

5099 MCQs  (Page 1 of 510)

Practice Medical MCQs with correct answers and explanations. Browse subtopics below or start a practice quiz.

Medical MCQs Subcategories
Medical Mcqs
Dentino enamel junction is_________________?
A. Non-scalloped
B. Straight
C. Scalloped and the convexities are directed towards dentin
D. Scalloped and the convexities are directed towards enamel
Cementicles are found in the_____________?
A. Gingiva
B. Periodontal ligament
C. Alveolar bone
D. Cementum
Lactobacilli are numerous in caious lesions because they______________?
A. Are the main causative agent
B. Can produce insoluble extracellular polysaccharides
C. Can attack to smooth enamel surfaces
D. Are secondary invaders
Accentuated incremental lines in dentin are______________?
A. Incremental lines of retzius
B. Incremental lines of von ebner
C. Contour lines lines of owen
D. None of the above
All are true regarding the enamel spindles except____________?
A. Produced by ameloblasts
B. Found in the region of cusps
C. Surrounded by inter prismatic enamel
D. Terminate as rounded process
The dentin adjacent to the dentinoenamel junction is called the______________?
A. Mantle dentin
B. Circumpulpal dentin
C. Predentin
D. Secondary dentin
Gubernacular canal guides the eruption of_____________?
A. Primary teeth
B. Permanent teeth
C. Both a and b
D. None of the above