In cavity preparation 1mm below DEJ what is seen: A. More dentinal tubules, some intertubular and peritubular B. Some dentinal tubules, more intertubular and less peritubular C. More peritubular, some intertubular and dentinal tubular D. Equal amount of dentinal tubules, intertubular and peritubular

In cavity preparation 1mm below DEJ what is seen:
A. More dentinal tubules, some intertubular and peritubular
B. Some dentinal tubules, more intertubular and less peritubular
C. More peritubular, some intertubular and dentinal tubular
D. Equal amount of dentinal tubules, intertubular and peritubular
by

1 Answer

Answer :

B. Some dentinal tubules, more intertubular and less peritubular
by

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Last Answer : A. Hydrodynamic pressure (Osmotic)

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The bur should be tilted lingually when preparing the occlusal surface of class II cavity on a mandibular first premolar in order to: I. Remove unsupported enamel II. Prevent encroachment on the buccal pulp horn III. Prevent encroachment on the lingual pulp horn IV. Maintain dentinal support of the lingual cusp A. I and II B. I and III C. II and IV D. III and IV E. IV only

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