If cementum is not formed______________?
A. Ankylosis may occur
B. Exforliation of teeth occur
C. Delayed eruption
D. No change occurs
If cementum is not formed______________? Read More »
Cementum, Medical Mcqs, Oral Histology A. Ankylosis may occur
B. Exforliation of teeth occur
C. Delayed eruption
D. No change occurs
If cementum is not formed______________? Read More »
Cementum, Medical Mcqs, Oral Histology A. The uncalcified matrix of cementum is called cementoid
B. Cementum contain type I collagen predominantly
C. Cementodentinal junction is sometimes scallopes in deciduous teeth and smooth in permanent teeth
D. All of the above
Which of the following is true______________? Read More »
Cementum, Medical Mcqs, Oral Histology A. Coronal half of root
B. Apical half of root
C. Apex of root
D. Entire root
Acellular cementum is typically found in_____________? Read More »
Cementum, Medical Mcqs, Oral Histology A. Cementum meets enamel
B. Cementum overlaps enamel
C. Cementum does not meet enamel
D. All of the above
At the cemento enamel junction, which of the following occurs_____________? Read More »
Cementum, Medical Mcqs, Oral Histology A. Less than bone
B. More than bone
C. Equal to that of bone
D. More than that of enamel
Inorganic content of cementum is_____________? Read More »
Cementum, Medical Mcqs, Oral Histology A. 10%
B. 30%
C. 60%
D. 90%
Butt joint in cementoenamel junctions seen is _________% of cases? Read More »
Cementum, Medical Mcqs, Oral Histology 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
Cementum_____________? Read More »
Cementum, Medical Mcqs, Oral Histology A. Are found in mantle dentin
B. Contain collagen
C. Produce alkaline phosphatase
D. Inhibit mineralization
Matrix vesicles_______________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Collagen fibers are oriented perpendicular to DEJ
B. Vonkorff fibers are present
C. Contain phosphophoryn
D. Requires matrix vesicle for mineralization
One of the following statement is unique about circumpulpal dentine______________? Read More »
Dentin, Medical Mcqs, Oral Histology A. Transduction theory
B. Direct neural stimulation
C. Hydrodynamic theory
D. Hydrostatic theory