Deciduous teeth and permanent teeth morphological characteristics to identify

1. Volume

Permanent tooth size. Molar volume to the first molar, second molar, followed by. Deciduous volume ratio of the same name as the permanent teeth and dental instruments deciduous molar volume of the first deciduous molars, the second primary molars.

2. Color

Permanent tooth crown star milky yellow, deciduous crown was chalky

3. Neck crest

Permanent teeth neck crest protruding obvious, deciduous teeth protruding apparent neck crest.

4. Crown root boundaries

Permanent tooth crown and neck narrowing the boundaries with the root morphology is less obvious. Deciduous crown neck crest, distinct crown and root.

5. Root

Constant before the root apex may be Ensure the efficacy of root canal treatment of the four secret remote, milk periapical partial labial. Permanent molar root dry longer furcation, deciduous molar root dry short furcation.