Vocabulary

Question 1

Composite resins

Answer 1

Tooth-colored materials composed of an organic resin matrix inorganic filler particles, a coupling agent, and coloring pigments

Question 2

Organic resin matrix

Answer 2

Thick liquids made up of two or more types of of organic molecules (polymers) that form a matrix around filler particles.

Question 3

Inorganic filler particles

Answer 3

Fine particles of Quartz, silica, or glass that give strength and wear resistance to a material.

Question 4

Silane Coupling Agent

Answer 4

A chemical that helps to bind the filler particles to the organic matrix.

Question 5

Pigments

Answer 5

Coloring agents that give composites their color

Question 6

Monomers

Answer 6

High molecular weight molecules with double carbon bonds that link to form polymers

Question 7

Self-cured composites

Answer 7

Composites that polymerize by a chemical reaction when two filled resin pastes are mixed together

Question 8

Light-Cured Composites

Answer 8

Single-paste composites that polymerize when a photosensitive chemical is activated by light in the blue wave range.

Question 9

Dual-Cured Composites

Answer 9

Composites that contain components of light-activated and chemically activated materials. When the two parts are mixed together, it polymerizes by a chemical reaction that can be accelerated by blue light activation.

Question 10

Macrofilled composites

Answer 10

An early generation of composites that contained filler particles ranging from 10-100 microns

Question 11

Microfilled composites

Answer 11

Composites that contain very small filler particles averaging .04 microns in diameter

Question 12

Hybrid Composites

Answer 12

Composites that contain both fine fill (2-4microns) and microfill (.04-.2 microns) particles to obtain the strength of a Macrofill and the polishability of a microfill

Question 13

Microhybrids

Answer 13

Hybrid composites that contain fillers that are smaller fine-particle (.04-1 microns) and microsized fillers

Question 14

Nanohybrids

Answer 14

Microhybrids to which nanosized fillers have been added

Question 15

Universal Composites

Answer 15

Composites that have physical and mechanical properties such as strength and polishability that allow them to be used in both the anterior and posterior parts of the mouth.

Question 16

Nanocomposites

Answer 16

Composites that contain all nanosized fillers to enhance physical properties

Question 17

Flowable composites

Answer 17

Light-cured, low viscosity composite resins

Question 18

Bulk-Fill Composites

Answer 18

Composites with greater depth of cure that permit placement in large increments up to 4 mm thick instead of the standard 2 mm; their use speeds up the filling process.

Question 19

Elastic Modulus

Answer 19

A measure of the stiffness of a material; the higher the elastic modulus the stiffer the material

Question 20

Incremental placement

Answer 20

A technique for composites that places and cures small increments individually to reduce the overall polymerization shrinkage and shrinkage stress in the overall restoration.

Question 21

Indirect-Placement Esthetic Materials

Answer 21

Tooth-colored materials that are used to construct restorations outside of the mouth in the dental laboratory or at chairside on replicas of the prepared teeth. They are later cemented to the teeth.

Question 22

Glass Ionomer Cements (GICs)

Answer 22

Self-cured, tooth colored, flouride releasing restorative materials that bond to tooth structure without an additional bonding agent.

Question 23

Hybrid (or Resin-Modified) Glass Ionomer

Answer 23

A glass Ionomer to which resin has been added to improve its physical properties.

Question 24

Nano-ionomers

Answer 24

Glass ionomers that contain nanosized filler particles to enhance their physical properties

Question 25

Compomer

Answer 25

Composite resin that has polyacid, flouride releasing groups added.

Question 26

Direct-Placement Esthetic Materials

Answer 26

Tooth-colored materials that can be placed directly into the cavity preparation without being constructed outside of the mouth first.