HOSA Dental Terminology

1st part of a bridge (pontic)

Artificial tooth portion that replaces the missing tooth.

2nd part of a bridge (abutment)

Supporting tooth or implant that anchors a bridge.

abfraction

Loss of tooth structure in the cervical area associated with occlusal stress.

Absorbent paper points

Paper points used to dry root canals.

acid etch

Application of acid to enamel or dentin to create microscopic roughness for bonding.

acquired pellicle

Thin protein film that forms naturally on tooth enamel.

ala-tragus line

Imaginary line from the ala of the nose to the tragus of the ear.

alginate

Irreversible hydrocolloid impression material.

Alloplastic

Using synthetic or non-biologic material for tissue replacement or augmentation.

alveolitis

Inflammation of the tooth socket; commonly associated with dry socket.

alveoloplasty

Surgical reshaping and smoothing of alveolar bone.

amalgam

Dental restorative alloy traditionally made by combining metals with mercury.

Amalgam Retention Pins

Pins screwed into dentin to provide additional retention for large restorations.

ameloblast

Cell that forms dental enamel.

amelogenesis imperfecta

Inherited disorder causing abnormal