1.11 Cast-Restorations: Inlays, Onlay, Crowns, and Bridge Materials for Cast Restorations

Direct veneer

A bonded composite veneer in which little to no tooth structure is removed and is considered reversible

Indirect veneer

A porcelain veneer in which the facial tooth surface is prepped and is not reversible

Retainer

The seated crown portion of a dental bridge

Pontic

The replacement of a missing tooth in a bridge

Abutment

The prepared teeth used as the support for a bridge unit

1. Tooth destruction

2. Orientation

3. Location of tooth

4. Condition of neighboring teeth

What are the 4 principles used to determine the appropriate restoration to be used?

• Type and size

• Location in the mouth

• Oral habits of the patient

• Patient’s wishes

• Opinion of the clinician

The choice for a given restoration must be based on which factors?

Die

A positive replica of a single tooth

• Wax patterns for cast restorations

• Register patient occlusion

• Simulate gingiva and hold teeth on processing dentures

• Border molding impression trays

• Cheek and tongue protection in orthodontics

What are uses of waxes in dentistry?

Low thermal conductivity

What causes high coefficient of thermal expansion in dental waxes?

High

Dental waxes are easily deformed under stress and have ______ coefficients of thermal expansion