Maxillofac Plast Reconstr Surg.  2014 May;36(3):116-123.

Risk Factors for Wound Dehiscence after Guided Bone Regeneration in Dental Implant Surgery

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul National University Bundang Hospital, Korea. pilyoung@snubh.org

Abstract

PURPOSE
The purpose of this study was to evaluate risks for wound dehiscence after guided bone regeneration (GBR) in dental implant surgery.
METHODS
Patients who received dental implant therapy with GBR procedure at Seoul National University Bundang Hospital (Seongnam, Korea) from June 2004 to May 2007 were included. The clinical outcome of interest was complications related to dental implant surgery. The factors influencing wound dehiscence, classified into patient-related factors, surgery-related factors and material-related factors, were evaluated.
RESULTS
One hundred and fifteen cases (202 implants) were included in this study. Wound dehiscence (19.1%) was considered a major complication. The risk of wound dehiscence was higher in males than in females (odds ratio=4.279, P=0.014). In the main graft, the allogenic group had the lowest risk of wound dehiscence (odds ratio=0.106, P=0.006). Though the external connection group had a higher risk of wound dehiscence than the internal connection group (odds ratio=2.381), the difference was not significant (P=0.100).
CONCLUSION
In this study, male gender and main graft have the highest risk of wound dehiscence. To reduce wound dehiscence after GBR, instructions on postoperative care with supplementary procedure for the protection of the wound dehiscence is recommended, especially to male patients. A main graft with a gel base can reduce the risk of wound dehiscence.

Keyword

Dental implants; Guided bone regeneration; Complication; Wound dehiscence

MeSH Terms

Bone Regeneration*
Dental Implants*
Female
Humans
Male
Postoperative Care
Risk Factors*
Seoul
Transplants
Wounds and Injuries*
Dental Implants
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