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Lateral Alveolar Ridge Augmentation with Autologous Dentin of Periodontally Compromised Teeth: A Retrospective Study.

Michael Korsch^1,2,3, Marco Peichl¹, Andreas Bartols^1,4

¹Dental Academy for Continuing Professional Development, Lorenzstrasse 7, 76135 Karlsruhe, Germany.

International Journal of Environmental Research and Public Health

|April 23, 2022

Summary

The tooth shell technique (TST) using periodontally compromised teeth (PCT) offers bone grafting results comparable to non-compromised teeth (NPCT). This method avoids donor sites and shows similar complication and resorption rates for lateral ridge augmentation.

Keywords:

autologous bone graft buccal bone dental implant dentin graft periodontitis

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Area of Science:

Dental surgery
Periodontology
Bone regeneration

Background:

The tooth shell technique (TST) utilizes autologous dentine for lateral ridge augmentation, eliminating the need for a separate donor site.
Periodontally compromised teeth (PCT) present a potential source for dentine matrix, but their suitability for TST requires investigation compared to non-periodontally compromised teeth (NPCT).

Purpose of the Study:

To evaluate and compare the outcomes of TST using dentine matrix from PCT versus NPCT for lateral ridge augmentation.
To assess biological complications, hard tissue loss, osseointegration, and buccal lamella integrity in both groups.

Main Methods:

A retrospective study involving 41 patients undergoing TST for lateral ridge augmentation.
Dentine matrix was sourced from either PCT (n=19) or NPCT (n=22).
Outcome parameters included graft success, complications, horizontal bone loss, osseointegration, and buccal bone lamella preservation.

Main Results:

Graft loss occurred in only one case within the PCT group.
Minor complications (wound dehiscence, suppuration) were infrequent and similar between groups (PCT: n=1, NPCT: n=3).
Osseointegration and buccal bone lamella integrity were generally preserved, with no statistically significant differences in crestal width or buccal lamella resorption between PCT and NPCT groups.

Conclusions:

The tooth shell technique using dentine matrix from periodontally compromised teeth yields results comparable to those from non-compromised teeth.
TST with PCT is a predictable and viable option for bone grafting in lateral ridge augmentation, minimizing donor site morbidity.