Vertical alveolar bone distraction at molar region using lag screw principle

Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons
Soon-Jung HwangSeung-Hyun Kyung

Abstract

Recently, alveolar bone distraction has been widely used and several devices have been developed for this purpose. However, there are some disadvantages in each device, especially for distraction of posterior alveolar ridge. The purpose of this study was to develop a new device for vertical alveolar bone distraction at the molar region and to show the results of its clinical application. The mechanism of device is based on lag screw principle and the device consists of the following 4 components; distraction screw, hole implant fixture, supporting plate, and temporary short implant and/or neighboring natural teeth. The distraction screw suspended at the supporting plate is inserted into the internal thread of the hole implant fixture placed at alveolar transport segment. If the distraction screw turns at the supporting plate, the hole implant fixture with transport segment moves to the supporting plate without vertical movement of the screw at the supporting plate like a lag screw. After an animal experiment using 4 beagle dogs, the device was clinically applied in 4 patients before implant insertion. The distraction of the alveolar bone could be successfully performed in all patients without any complications. The direction of...Continue Reading

References

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Citations

Jul 30, 2009·Odontology·Lisa R AmirAntonius L J J Bronckers
Aug 18, 2010·Oral and Maxillofacial Surgery Clinics of North America·Patrick J Louis
Feb 19, 2009·International Journal of Oral and Maxillofacial Surgery·N SaulacicT Iizuka
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May 23, 2015·Oral and Maxillofacial Surgery·Leandro Benetti de OliveiraValfrido Antonio Pereira Pereira-Filho
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Oct 6, 2021·BMC Oral Health·Alaa Abdelqader AltaweelMarwa A M Elshiekh

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