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[Vertical root fractures in endodontically treated teeth--Part II: Etiology and prevention]
A Kfir1, J Lustig, O Zuckerman
1Department of Endodontology, The Maurice and Gabriela Goldschleger School of Dental Medicine, Tel Aviv University, Israel.
Refu'At Ha-Peh Veha-Shinayim (1993)
|August 5, 2006
Summary
Vertical root fractures in endodontically treated teeth stem from tooth structure loss and dental procedure-related issues. Careful treatment planning and execution can prevent these fractures, preserving tooth integrity.
Area of Science:
- Endodontics
- Dental Materials Science
- Restorative Dentistry
Context:
- Endodontically treated teeth are susceptible to vertical root fractures (VRFs).
- VRFs can result from a combination of predisposing and iatrogenic factors.
- Understanding these factors is crucial for preventing catastrophic tooth loss.
Purpose:
- To identify and elucidate the primary etiologic factors contributing to vertical root fractures in endodontically treated teeth.
- To differentiate between predisposing and iatrogenic causes of VRFs.
- To outline preventive strategies for root fracture management.
Summary:
- Predisposing factors for VRFs include significant loss of tooth material, specific tooth anatomy, dehydration, pre-existing dentinal cracks, and compromised bone support.
- Iatrogenic factors involve excessive radicular dentin removal during endodontic and prosthetic treatments, and incorrect dowel selection and placement.
- Preventive measures focus on identifying at-risk teeth, appropriate dowel selection and cementation, and minimizing excessive force during gutta-percha condensation and tooth structure removal.
Impact:
- Informed clinical decision-making to minimize VRF risk.
- Improved long-term prognosis for endodontically treated teeth.
- Enhanced patient outcomes through proactive fracture prevention strategies.
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