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Updated: Jun 26, 2026

A Mouse Distraction Osteogenesis Model

A Mouse Distraction Osteogenesis Model

Published on: November 14, 2018

The Endo-Distractor for preimplant mandibular regeneration.

C Krenkel¹, I Grunert

¹Clinic of Oral and Maxillofacial Surgery, Paracelsus Medical School, Federal Medical Center Salzburg, Landeskrankenhaus Salzburg, Muellner Hauptstrasse 48, Salzburg, Austria. c.krenkel@salk.at

Revue De Stomatologie Et De Chirurgie Maxillo-Faciale

|January 13, 2009

Summary

The Endo-Distractor Krenkel enables vertical distraction osteogenesis for severely atrophic mandibles, offering satisfactory bone and gum reconstruction. This technique presents lower surgical difficulty and complication rates compared to conventional methods.

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Area of Science:

Oral and Maxillofacial Surgery
Regenerative Medicine
Biomaterials Engineering

Background:

Severe mandibular atrophy poses challenges for dental implant placement.
Vertical distraction osteogenesis is a technique to augment bone volume.
Novel devices are needed to improve the efficacy and safety of distraction osteogenesis.

Purpose of the Study:

To evaluate the clinical application of the Endo-Distractor Krenkel for vertical distraction osteogenesis.
To assess the outcomes in edentulous patients with highly atrophic mandibles.
To analyze the stability, patient comfort, and implant success rates.

Main Methods:

The Endo-Distractor Krenkel was used in 18 patients with highly atrophic mandibles.
Patients were followed for at least 36 months post-distraction.

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A Mouse Distraction Osteogenesis Model

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Mandibular atrophy was assessed using lateral cephalograms and Atwood's classification.

Main Results:

A mean distraction amplitude of 11.3mm was achieved.
Implant success rates were high, with only 4 out of 75 implants lost due to infection.
Two cases of mandibular fracture occurred, one requiring osteosynthesis.

Conclusions:

Alveolar distraction is feasible and effective for severely atrophic mandibles.
The Endo-Distractor Krenkel provides satisfactory functional and esthetic bone and gum reconstruction.
This technique offers reduced surgical difficulty and complication rates compared to traditional methods.