Abstract
Autogenous dentin has been reported to be a suitable grafting material for certain indications. The purpose of this study was to assess the feasibility of using endodontically treated teeth for this application. In the present retrospective study, one-stage augmentation of lateral ridge defects with a dentin shell and particulate (tooth shell technique (TST)) either obtained from endodontically treated teeth (ETT, 17 patients with 21 implants) or non-endodontically treated teeth (NETT, 17 patients with 24 implants) were analyzed. Follow-up was conducted 3 months after augmentation. The target parameters were biological complications, horizontal hard tissue loss, osseointegration, and the integrity of the buccal lamella. Only minor complications occurred in three implants from three patients, including two cases of wound dehiscence (one each in ETT and NETT) and a localized three-walled defect in the NETT group, which was solved by re-augmentation. All the implants were osseointegrated and the integrity of the buccal lamella was preserved. The mean difference of the resorption of the crestal width and the buccal lamella did not differ statistically between the two groups. As TST using ETT showed, the results comparable to those of NETT dentin from endodontically treated teeth can be safely applied with predictable results for this grafting technique.
Highlights
The reconstruction of alveolar crest deficiencies for creating a sufficient implant site is one of the main challenges in oral implantology
In the present retrospective study, one-stage augmentation of lateral ridge defects with a dentin shell and particulate (tooth shell technique (TST)) either obtained from endodontically treated teeth (ETT, 17 patients with 21 implants) or non-endodontically treated teeth (NETT, 17 patients with 24 implants) were analyzed
Minor complications occurred in three implants from three patients, including two cases of wound dehiscence and a localized three-walled defect in the Non-endodontically treated teeth (NETT) group, which was solved by re-augmentation
Summary
The reconstruction of alveolar crest deficiencies for creating a sufficient implant site is one of the main challenges in oral implantology. There are a variety of alloplastic, allogenic, and xenogenic bone substitute materials available for this purpose, grafting procedures using autogenous bone are still considered to be the “gold standard” due to the bone’s excellent osteoconductive, osteoinductive, and osteogenic properties [1]. The use of autogenous dentin as a possible alternative autogenous grafting material has become a focus of scientific research [4,5,6]. Autogenous dentin appears to have lower resorption rates than autogenous bone [18,19]. For these reasons, autogenous dentin can be considered as a viable alternative to autogenous bone
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