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   Official Journal of The Academy of Osseointegration

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Volume 33 , Issue 1
January/February 2013

Pages 88–95

Pre-extractive Interradicular Implant Bed Preparation: Case Presentations of a Novel Approach to Immediate Implant Placement at Multirooted Molar Sites

Stephan F. Rebele, DDS/Otto Zuhr, DDS/Markus B. Hürzeler, DDS, PhD

DOI: 10.11607/prd.1444

Immediate implant placement at multirooted molar sites involves a series of site-specific anatomical challenges, including implant bed preparation in the presence of interradicular bone septa. The aim of this article is to present and discuss a novel approach that gives improved guidance during implant bed preparation for immediate implants at multirooted extraction sites in both the mandible and maxilla. Following decoronation of the concerned teeth, osteotomies were performed directly through the teeth’s initially retained root complexes. After completion of the drilling protocol, the remaining root aspects were extracted, and treatment was continued in the usual manner. With the osteotomy drills stabilized and guided by the retained root aspects, this approach allows for precise positioning and angulation of the implant bed preparation, thus enabling ideal implant positioning during immediate implant placement at multirooted extraction sites. (Int J Periodontics Restorative Dent 2013;33:88–95. doi: 10.11607/prd.1444)

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