Page 18 - My FlipBook

14 THE TECHNICAL PROCEDURES IN FILLING TEETH.

A bueco-pulpal angle -i
A lins^uo-pulpal angle I , ^^ , ,
,
Md set if
^ Pulpal line angles.
•
A 1 1 1 s
A mesio-pulpal angle
j
A disto-pulpal angle J
A mesio-bucco-pulpal angle ^
A disto-bucco-pulpal angle
I
^'^^^'^ angles.
A mesio-linguo-pulpal angle f
A disto-linguo-pulpal angle J
In case the pulp is removed the pulpal wall is removed, and
the floor of the pulp chamber becomes the sub-pulpal wall of the
cavity, and the pulpal angles become sub-pulpal angles.
A buccal or a lingual cavity in molars or bicuspids has —
A mesio-gingival angle ^
A disto-gingival angle I
^^^ set of line angles.
A mesio-occlusal angle j
A disto-occlusal angle J
And —
An axio-gingival angle ^
An axio-mesial angle I 2d set of line angles, or axial
An axio-occlusal angle line angles.
j
An axio-distal angle J
An axio-mesio-gingival angle ^
An axio-mesio-occlusal angle 1
^^^^^ angles.
An axio-disto-occlusal angle
[
An axio-disto-gingival angle J
A simple mesial or distal cavity in bicuspids or molars has —
A linguo-gingival angle ^
A bucco-gingival angle
j
^^^ ^^^ ^^ ^^^^ ^"g^^s.
A linguo-occlusal angle
\
A bucco-occlusal angle J
An axio-lingual angle -,
An axio-occlusal angle j 2d set of line angles or axial
An axio-buccal angle Hne angles.
f
An axio-gingival angle J
An axio-linguo-gingival angle ^
An axio-bucco-gingival angle
|
^°^^^ angles.
An axio-linguo-occlusal angle j'
An axio-bucco-occlusal angle J
But in mesial and distal cavities in the bicuspids and molars as
prepared for filling, the occlusal wall is generally cut away and a