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Proximal Surface

Combined term for mesial and distal

Anterior Teeth

Towards the front of the arch
In permanent teeth and baby teeeth they include the canines and incisors

Posterior Teeth

Teeth in each arch towards the back of the mouth

Anterior it is called labial and lingual, posterior it is called

buccal and lingual

Incisal ridge can only be reffered to on _______

newly errupted anterior teeth
after that it is the incisal edge

The term facial can be used

for either the anterior or posteriorlabial/buccal surface of the teeth


Refers to any surface between two teeth, so proximal surfaces by definition are normally only mesial or distal surfaces

Line Angles

The line, or angle formed by the junction of two crown surfaces, and its name is derived by combining the names of those two surfaces

Rules for naming Line Angles

- drop the "al" from the end of the first surface and add an o
-where two o's are adjacent they are separated by a hyphen

How many Line Angles of Anterior Teeth


How many Line angles of Posterior Teeth


Name the Line Angles of Anterior Teeth

Mesiolabial Labio-incisal
Mesiolingual Linguo-incisal
Distolabial Mesio-incisal
Distolingual Disto-incisal

Name the Line Angles of Posterior Teeth

Mesiobuccal Bucco-occlusal
Mesiolingual Linguo-occlusal
Distobuccal Mesio-occlusal
Distolingual Disto-occlusal

Definition of a Pont Angle

Point which is the junction of three crown surfaces, and takes the name of those three surfaces

Anterior Teeth have how many point angles


Posterior Teeth have how many point angles


Point Angles of Anterior Teeth


Point Angles of Posterior Teeth


The crown surfaces of teeth are divided into ____. They are named by _____

Crown surfaces of teeth are divided into artifical thirds, both horizontally and vertically. These thirds are named by their location, according to the surface which is being viewed

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