class V

Question 1

Located in the gingival one third of the facial or lingual surfaces of anterior or posterior dentition.

Answer 1

Class V

Question 2

what is the biological reaction of vital dentine and pulp in response to a progressing carious lesion. This results in the mineral deposition in dentinal tubules to seal them against the penetrating micro-organisms.

Answer 2

Sclerotic Dentine

Question 2

for Maximizing bonding to Sclerotic Dentine we can use?

Answer 2

Sandblasting (Air Abrasion) using micro sized aluminum oxide particles.

Question 3

enamel beveling is used in witch margins of class V prepration?

Answer 3

Enamel bevels are typically used on the occlusal/incisal margins.

Bevels are usually not
recommended on the cervical margin because of the absence of enamel in this area.

Question 4

what to consider in Large area of hypominerlized enamel?

Answer 4

Icon RIS
or fluoride

Question 5

If the defect is very sensitive, application of …….. or ……. agent may reduce or eliminate the sensitivity

Answer 5

an adhesive or desensitizing agent

Question 6

do we need matrix in restoring class V

Answer 6

In most cases no matrix is needed

Question 7

finishing class V

Answer 7

diamond is recommended for removing excess composite on the
facial surface.

Abrasive discs mounted on an appropriate mandrel at low speed can be used.

Question 8

polishing class V

Answer 8

Rubber polishing point or cup,
diamond-impregnated polisher, and a polishing paste can be used.