Page 146 - My FlipBook

114 PREPARATION OF CAVITIES

Labial
Buccal
Simple Lingual
Mesial
Distal
Occlusal
Mesio-incisal
Cavity < Disto-incisal
Mesio-labial
Disto-labial
Mesio-lingual
Disto-lingual
Complex < Mesio-occlusal
Disto-occlusal
Linguo-occlusal
Bucco-occlusal
Mesio-disto-occlusal
(Other combinations
by the same rule)

Wall Names
Labial
Buccal
That wall of a cavity in an axial surface of a tooth that Incisal
covers the pulp is called the axial wall. If the cavity Occlusal
is extended to include the pulp chamber this wall takes Lingual
the name of the wall of the pulp chamber. The ) Wall i Mesial
bottom or floor of occlusal cavities is called the pulpal Distal
wall. If extended to include the pulp chamber it Gingival
becomes the subpulpal wall. Axial
Pulpal
[ Subpulpal
Rule.— Cavity walls take the names of the surfaces of the tooth which they
approach.