Podcast
Questions and Answers
Which teeth are most commonly involved in root amputation?
Which teeth are most commonly involved in root amputation?
What is the primary goal of recontouring the apical area of the crown and furcation region after root amputation?
What is the primary goal of recontouring the apical area of the crown and furcation region after root amputation?
What is the primary reason for performing endodontic therapy before root amputation?
What is the primary reason for performing endodontic therapy before root amputation?
What is the term for the vertical sectioning of a tooth through the crown and root?
What is the term for the vertical sectioning of a tooth through the crown and root?
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Which type of pontic is considered the most difficult to clean?
Which type of pontic is considered the most difficult to clean?
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What is the primary reason for consulting with both an endodontist and periodontist before performing a root resection?
What is the primary reason for consulting with both an endodontist and periodontist before performing a root resection?
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What is the term for the process of separating the molar into two separate roots?
What is the term for the process of separating the molar into two separate roots?
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What type of pontic is rarely used due to its unesthetic form?
What type of pontic is rarely used due to its unesthetic form?
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Study Notes
Root Amputation and Hemisection
- Root amputation is the separation of an individual root from the crown of the tooth, often involving maxillary first and second molars.
- Burs and diamond stones are used to sever the crown and root prior to extraction of the remaining root.
- After root amputation, the apical area of the crown and furcation region are recontoured to provide maximal access for oral hygiene.
Indications and Considerations
- Root amputations or hemisections often result in irreversible pulpal damage, requiring endodontic therapy.
- Endodontic treatment should ideally be performed first to ensure patient comfort.
- The decision to perform a root resection may be made prior to or after flap reflection and evaluation of periodontal status.
- Consultation with both an endodontist and periodontist is required to ensure both aspects of treatment can be performed.
Hemisection Technique
- Hemisection is the vertical sectioning of a tooth through the crown and root, often used in mandibular molars.
- The technique involves dividing the tooth through the furcation, with one-half potentially extracted due to advanced bone loss.
- The remaining half of the molar tooth can be restored as a premolar.
Pontic Design for Crown and Bridge
- Sanitary and ovate pontics have convex undersurfaces, making them easiest to clean.
- Ridge-lap and modified ridge-lap designs have concave surfaces, making them more difficult to access with dental floss.
- The ovate pontic is the ideal pontic form due to its ease of cleaning and aesthetics.
- The alveolar bone must be a minimum of 2 mm from the most apical portion of the pontic.
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Description
Root amputation is a dental procedure that involves separating a root from the tooth crown. This quiz covers the process, tools, and techniques used in root amputation, as well as common applications.
