Category: Dentin

The microhardness of dentin is about____________?

Hamad Dentin 26/11/2021

A. 1/2 that of enamel
B. 1/7 that of enamel
C. 1/4 that of enamel
D. 1/5 that of enamel

Hamad Dentin 22/09/2021

A. Greater stainability
B. Lasser content of inorganic salts
C. greater content of inorganic salts
D. Greater content of large collagen fibres

Hamad Dentin 12/09/2021

A. Direct neural stimulation
B. Fluid or hydrodynamic theory
C. Transduction theory
D. All of the above

Hamad Dentin 19/08/2021

A. Pulp
B. Dentin
C. Enamel
D. Cementum

Hamad Dentin 14/07/2021

A. Peritubular dentin
B. Inter tubular dentin
C. Dentinal tubules
D. Circum pulpal dentin

Hamad Dentin 10/07/2021

A. Sclerotic dentin
B. Mantle dentin
C. Predentin
D. Osteodentin

Hamad Dentin 14/06/2021

A. They elicit pain to hot and cold
B. They elicit pain to touch and pressure
C. They elicit pain to chemicals
D. Elicit only pain as a response

Hamad Dentin 23/05/2021

A. Third power of the diameter
B. Sixth power of the diameter
C. Square of the diameter
D. Fourth power of the diameter

Hamad Dentin 21/05/2021

A. Incineration/organic chelation
B. Decalcification
C. Devitrification
D. Combustion

Hamad Dentin 14/05/2021

A. Smear layer
B. Fluid convection
C. Length of dentinal tubules
D. Diffusion coefficient