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Khoury Technique Versus Titanium Reinforced PTFE Membrane in 3D Alveolar Bone Augmentation

Alveolar Bone Loss Clinical Trial

Official title:
Comparison of Khoury Technique Versus Titanium Reinforced PTFE Membrane in 3D Alveolar Bone Augmentation in Atrophic Posterior Mandible

Clinical Trial Summary

In patients with missed lower posterior teeth and resorbed lower jaw, the study aimed at restoring the jaw's height and width to accommodate placing dental implants. The study was designed as a clinical trial with two arms; control group and study group. In the control group, titanium-reinforced polytetrafluoroethylene (Ti PTFE) membrane was used to secure the grafted bone mixture in the recipient site. While in the study group, bone-plate technique (Khoury technique) for bone restoration was used to secure the grafted bone mixture as well. The donor bone was the lower jaw (for bone particles and bone-plate harvesting) and bovine bone particles mixed together to form the graft mixture. Patients were monitored for six months and assessed by X-rays. The outcome variables were volume and height of gained bone in cubic millimeters and millimeters, respectively.

Clinical Trial Description

This study targeted bone augmentation in atrophic posterior mandible. Two groups were assigned. The first group included titanium-reinforced polytetrafluoroethylene (Ti PTFE) membrane as a rigid modality to achieve guided-bone regeneration (GBR): A mixture of autogenous bone (scrapped from the mandibular external oblique ridge) and bovine xenograft was administered on the atrophic recipient area after decortication by low-speed reducing drills, and covered with the mentioned membrane. The second group utilized rigid bone-plates (a bone block was harvested from the mandibular external oblique ridge, then splitted into two plates; one fixated buccally and the other fixated occlusally by bone screws), and the same bone mixture was prepared and introduced as in the first group. All procedures were operated under local anesthesia in a minor oral surgical setting. Follow-up time intervals were the first postoperative day, and the sixth postoperative month. Two outcome variables were assessed; gained bone volume and gained bone height. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT06209905
Study type Interventional
Source Delta University for Science and Technology
Contact
Status Completed
Phase N/A
Start date November 1, 2021
Completion date July 1, 2023
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