Crestal Contour of the Interdental Bone

1. Contour ridge remove deposits bones is a good indicator of periodontal health. Contour interpoximal crest parallel to the imaginary line drawn between CEJs adjacent teeth.

2. In the back of sectarianism circuit remove deposits crest parallel to the imaginary line drawn between CEJs adjacent teeth.

a. Horizontal crest of the path. The crest remove deposits bones will have horizontal path when CEJs adjacent teeth are on the same level (Fig. 20-2).

B. Angular crest of the path. The crest remove deposits bones will have vertical contour in one of the neighboring teeth tilted or broke different height (Fig. 20-3).

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