Matrices

Question 1

device used during restorative procedures to hold the plastic restorative material within the tooth while setting.

Answer 1

Matrix

Question 2

Matrix which involves the mesial, distal,facial, and lingual surfaces simultaneously.

Answer 2

Circumferential

Question 3

Matrix which involves only one of the proximal surfaces.

Answer 3

Sectional

Question 4

what can the matrix be in relation to the matrix band material

Answer 4

metallic
plastic

Question 5

Sectional matrix have a concave and a convex edge. The…..side must face the tooth preparation?

Answer 5

concave

Question 6

Sectional matrix have a concave and a convex edge. The …..side faces the adjacent tooth?

Answer 6

convex

Question 7

why (Mylar Strip) should never be used for amalgam restorations?

Answer 7

they are not capable to resist the condensation forces

Question 8

For complex amalgam restorations where one or more cusps are to be replaced it is recommended to use?

Answer 8

Automatrix

Question 9

what matrix is used for class V restorations for conventional glass ionomer cements.

Answer 9

tin foil matrix

Question 10

disadvantage of tin foil matrix

Answer 10

matrix is used for class V restorations for conventional glass
ionomer cements.