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Tooth Preparation for Periodontal Disease

10 Questions

1 Views

Tooth Preparation for Periodontal Disease

Created by

@MajesticCoralReef

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Questions and Answers

What is the recommended finish line for teeth weakened by periodontal disease?

A shoulder finish line

A feather-edge finish line

A bevel finish line

A chamfer finish line (correct)

Why should crown margins be kept away from the root furcation?

To prevent tooth discoloration

To improve tooth stability

To prevent bacterial invasion (correct)

To prevent tooth sensitivity

What type of restorations may be needed for teeth saved by periodontal therapy?

Cast restorations (correct)

Composite restorations

Amalgam restorations

Ceramic restorations

When may the entire tooth need to be extracted and replaced with an implant-supported restoration?

If there have been numerous teeth lost to periodontal disease Signup and view all the answers

What is the optimum location for the gingival finish line of a crown preparation?

On enamel, away from the gingival sulcus Signup and view all the answers

What modifications to the standard tooth preparation are required for teeth weakened by periodontal disease?

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. Signup and view all the answers

Why should the crown margins be kept away from the root furcation in cases of periodontal disease?

To prevent bacterial invasion. Signup and view all the answers

What type of restorations do teeth saved by periodontal therapy often need?

Cast restorations. Signup and view all the answers

When may an entire tooth need to be extracted and replaced with an implant-supported restoration due to periodontal disease?

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

What is the optimum location for the gingival finish line of a crown preparation?

On enamel, away from the gingival sulcus. Signup and view all the answers

Study Notes

Restoration and Extraction Considerations for Periodontal Disease

Teeth weakened by periodontal disease require a reliable finish line, which is the chamfer or shoulder at the gingival margin to provide adequate support and prevent further tooth damage.

Crown Margins and Root Furcation

Crown margins should be kept away from the root furcation to prevent bacteria accumulation, inflammation, and further bone loss.

Restoration Options for Teeth Saved by Periodontal Therapy

Teeth saved by periodontal therapy often require restorations, such as full-coverage crowns, to protect the tooth from further damage and stress.

Extraction and Implant-Supported Restoration

In cases where periodontal disease has significantly damaged the tooth, the entire tooth may need to be extracted and replaced with an implant-supported restoration to restore optimal oral function and aesthetics.

Gingival Finish Line Location

The optimum location for the gingival finish line of a crown preparation is 0.5-1.0 mm onto the root, allowing for adequate crown margin placement and preventing periodontal pocket formation.

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Description

"Test Your Knowledge: Tooth Preparation for Periodontally Weakened Teeth" - Take this quiz to assess your understanding of the modifications required for tooth preparation in cases of periodontal disease. Learn about the importance of placing the margin on the root surface, using a chamfer finish line, and keeping the crown margins away from the root furcation to prevent bacterial invasion. Test yourself now and improve your knowledge of dental procedures.