n. 1. the stage of labour when the upper part of the infant’s head is encircled by, and just passing through, the vaginal opening. 2. (in dentistry) the technique of preparing and fitting a tooth with an artificial *crown.
Dental techniques that use plastic resins and acrylic or porcelain veneers to repair, restore, or improve the appearance of damaged or defective teeth.
It is sometimes used as an alternative to crowning (see crown, dental) and may also be used as a preventive technique to protect the teeth.... bonding, dental
the occlusal extension of a denture base to allow analysis of jaw relations and to record jaw relations for the construction of *dentures, bridges, and extensive crowning.... occlusal rim
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