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Indications for Extraction before Implant Therapy: Focus on Endodontic Status
Dan Sebring1, Thomas Kvist1, Jan Derks2
1Department of Endodontology, Institute of Odontology, The Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.
Journal of Endodontics
|March 13, 2019
Summary
Pre-extraction endodontic status minimally impacts dental implant treatment planning and outcomes. However, specific diagnoses like periodontitis (PERIO) and mixed reasons (MIX) are linked to increased risks of peri-implantitis and early implant loss, respectively.
Area of Science:
- Dentistry
- Oral Surgery
- Periodontology
Background:
- Understanding the condition of teeth prior to extraction is crucial for successful dental implant therapy.
- Evaluating endodontic status and diagnostic reasons for extraction informs treatment planning and outcomes.
Purpose of the Study:
- To assess the impact of endodontic status and pre-extraction diagnoses on dental implant treatment planning.
- To determine the influence of these factors on implant therapy outcomes, including early/late implant loss and peri-implantitis.
Main Methods:
- Retrospective analysis of 596 Swedish patients undergoing implant therapy.
- Categorization of extraction reasons: periodontitis (PERIO), caries (CARIES), other (OTHER), and mixed (MIX).
- Logistic regression analysis to explore associations between tooth status, diagnosis, treatment planning, and outcomes.
Main Results:
- Caries-related diagnoses accounted for the majority (64%) of tooth extractions.
- 51% of extracted teeth were endodontically treated, and 33% had apical lesions.
- Endodontic status did not correlate with antibiotic use or implant outcomes; however, MIX diagnoses were linked to early implant loss, and PERIO to higher peri-implantitis risk.
Conclusions:
- Pre-extraction endodontic status has limited influence on dental implant treatment planning and outcomes.
- Immediate implant placement was less frequent in teeth with apical lesions.
- Specific diagnostic categories (PERIO, MIX) are associated with increased risks for peri-implantitis and early implant loss, respectively.
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