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Resto 2 > Lec 2 Types of Esthetic Restorative Materials > Flashcards

Lec 2 Types of Esthetic Restorative Materials Flashcards

1
Q

An indirect restoration, fabricated in dental laboratories.

A

Fused (baked) feldspathic porcelain inlay (Ceramic inlays and onlays)

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2
Q

The first translucent filling material, introduced in 1871.

A

Silicate cement

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3
Q

Silicate cement is made up of? (2)

A

Alumina silica glass & phosphoric acid

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4
Q

Very soluble
Poor mechanical properties

A

Silicate cement

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5
Q

Failed silicate cement restorations display loss of?

A

contour

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6
Q

Disappointing because of inherent weaknesses:
- poor activator systems
- high polymerization shrinkage
- high coefficient of thermal expansion
- lack of abrasion resistance

A

Acrylic resin

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7
Q

Introduced commercially in 1962 by Bowen of NBS.

A

Composite

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8
Q

The most popular tooth-colored material.

A

Composite

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9
Q

The original GI restorative materials were?

A

powder-liquid systems

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10
Q

Releases fluoride, has anticariogenic effect, and possess favorable coefficient of thermal expansion.

A

Conventional glass ionomer

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11
Q

Glass ionomers use _______, which renders the restoration less soluble.

A

polyacrylic acid

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12
Q

Developed in an effort to improve the physical properties and esthetic qualities of conventional glass ionomer.

A

Resin-Modified Glass Ionomer

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13
Q

Glass ionomers to which resin is added.

A

Resin-Modified Glass Ionomer

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14
Q

The ______ component of RMGI affords the potential for lightcuring, autocuring, or both.

A

resin

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15
Q

Physical properties are generally inferior to those of composites and their indications for clinical use are limited.

A

Compomers

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16
Q

These are polyacid modified composites.

17
Q

Best described as composites to which some glass-ionomer components have been added.

18
Q

Primarily light-cured, very easy to use, and gained popularity for their superb handling properties.

19
Q

Physical properties of Compomers are superior to __________ and _________, but inferior to those of ________.

A
  • traditional glass ionomers & RMGIs
  • composites
20
Q

Arrange based on increasing fluoride release + recharge water content: (least to most).

  • Conventional GIC
  • RMGIC
  • Compomers
  • Composite resins
A

4 - Conventional GIC
3 - RMGIC
2 - Compomers
1 - Composite resins

21
Q

Arrange based on increasing compressive strength, fracture toughness, and aesthetics: (least to most).

  • Conventional GIC
  • RMGIC
  • Compomers
  • Composite resins
A
  1. Conventional GIC
  2. RMGIC
  3. Compomers
  4. Composite resins

Resto 2 (13 decks)

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