- (A) Aprismatic enamel
- (B) Prismatic enamel
- (C) Intertubular dentin
- (D) Intratubular dentin
Medical Mcqs
- (A) Cracks
- (B) Pellicle
- (C) perikymata
- (D) Enamel lamellae
- (A) 10mm
- (B) 5mm
- (C) 2mm
- (D) 0.5mm
- (A) Neonantal bands
- (B) Cross striations
- (C) Striae of Retzius
- (D) Hunter-Schregar bands
- (A) Permeable membrane
- (B) Impermeable membrane
- (C) Semipermeable membrane
- (D) Infrapermeable membrane
- (A) Stellate reticulum
- (B) Dental papilla
- (C) Enamel organ
- (D) Dental sac
- (A) 35%
- (B) 50%
- (C) 4%
- (D) 96%
- (A) 4 μ m
- (B) 9 μ m
- (C) 7 μ m
- (D) 2 μ m
- (A) They originate at right angle to dentin surface
- (B) They are almost vertical near the incisal edge (or) cusp tip areas
- (C) In the cervical third of deciduous crowns they are almost horizontal in direction
- (D) In cervical region of permanent teeth, they deviate in apical direction
- (E) All of the above
- (A) Non-scalloped
- (B) Straight
- (C) Scalloped and the convexities are directed towards dentin
- (D) Scalloped and the convexities are directed towards enamel
