Tooth Preparation for Periodontal Disease

The finish line and location of the margin should be modified, with the margin placed on the root surface and a chamfer finish line recommended.

To prevent bacterial invasion.

Cast restorations, which may be needed due to caries or previous damage, or to improve stability as abutments for prostheses.

<p>If there have been numerous teeth lost to periodontal disease, or if the loss of bone height around one tooth has been severe.</p> Signup and view all the answers

<p>On enamel, away from the gingival sulcus. However, it may need to extend apically to cover an expanse of root surface affected by caries or erosion.</p> Signup and view all the answers

<p>The modification of the finish line and location of the margin become crucial in such cases. The margin should be placed on the root surface, and a chamfer finish line is recommended. The crown margins should be kept away from the root furcation to prevent bacterial invasion.</p> Signup and view all the answers