- (A) Cementum is thinnest at CEJ (20-50μm)
- (B) Cementum is thickest towards the apex (150-200μm)
- (C) The apical foramen is surrounded by cementum
- (D) All of the above
Medical Mcqs
- (A) Middle
- (B) Coronal
- (C) Apical
- (D) Interradicular
- (A) 45 to 50%
- (B) 50 to 55%
- (C) 55 to 60%
- (D) 60 to 65%
- (A) Highly defined cellular zone near cemento – dentinal junction (CDJ)
- (B) Highly defined fibrillar zone near CDJ
- (C) Poorly defined zone near cemento-dentinal junction
- (D) Both a and B
- (A) Twisted
- (B) Curved
- (C) Pulp chamber
- (D) Lateral canal
- (A) Forms during root formation
- (B) Forms after the eruption of the tooth
- (C) Seen at the coronal portion of the tooth
- (D) Formation is a slow process
- (A) Less than dentin
- (B) More than dentin
- (C) Equal dentin
- (D) None of the above
- (A) Are found in mantle dentin
- (B) Contain collagen
- (C) Produce alkaline phosphatase
- (D) Inhibit mineralization
- (A) Is derived from the sheath of hertwig
- (B) Is acellular in the apical third of the tooth
- (C) Often overlaps the enamel
- (D) Does not contain collagen fibres
- (A) 10%
- (B) 30%
- (C) 60%
- (D) 90%
