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Dental Impressions: Abutment Teeth One-Stage Technique

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Dental Impressions: Abutment Teeth One-Stage Technique

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Questions and Answers

What is the primary reason for using the canine as an abutment tooth?

Its lower susceptibility to periodontal breakdown (correct)

Its ease of modification

Its position in the mandible

Its larger surface area

Which of the following is a contraindication for using the tooth reduction and cast coping technique?

Poor oral hygiene

High caries index

Non-vital pulp

All of the above (correct)

What is the purpose of surgical crown lengthening in periodontal therapy?

To improve the appearance of the tooth

To reduce the periodontal pocket depth

To increase the attached gingiva (correct)

To enhance the retention of the abutment tooth

What is the primary indication for using the simple tooth modification and reduction technique?

Partially edentulous patient with severe abrasion Signup and view all the answers

Which of the following is NOT a retentive element that can be incorporated into the abutment tooth?

Cusps Signup and view all the answers

What is the primary purpose of root planning in periodontal therapy?

To eliminate periodontal pathogens Signup and view all the answers

Which of the following impression materials is NOT commonly used for abutment impressions?

Wax Signup and view all the answers

What is the primary purpose of transfer matrices in abutment preparation?

To transfer the impression of the abutment tooth to the laboratory Signup and view all the answers

Which of the following is a complication that can arise from inadequate abutment preparation?

All of the above Signup and view all the answers

What is the primary advantage of using the tripod approach in abutment preparation?

Reduced stress distribution on the abutment tooth Signup and view all the answers