Calculus attaches to teeth surfaces by: A. Acquired pellicle B. Interlocking to the crystals of the tooth C. Penetrated into enamel and dentine D. Mechanical interlocking E. All of the above

Calculus attaches to teeth surfaces by:
A. Acquired pellicle
B. Interlocking to the crystals of the tooth
C. Penetrated into enamel and dentine
D. Mechanical interlocking
E. All of the above
by

1 Answer

Answer :

E. All of the above
by

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Which of the following is the hardest substance in the human body? (1) Bone (2) Enamel (3) Dentine (4) Nail

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