DOI: 10.4103/tdj.tdj_15_26 ISSN: 1687-8574

Khoury technique with autogenous bone versus allograft bone in atrophic anterior maxilla for implant installation: a randomized control trial

Mohammed N. Hayder, Ahmed M. Elshrief, Ahmed A. Mosleh
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Background

Rehabilitation of the atrophic anterior maxilla is challenging due to limited bone volume. The Khoury bone-shell technique is widely used for ridge augmentation; however, evidence comparing autogenous and allograft bone blocks remains limited.

Objective

This randomized controlled trial evaluated alveolar bone width gain, assessed by cone beam computed tomography, after ridge augmentation using the Khoury technique with autogenous versus allograft bone blocks.

Patients and methods

Twenty patients with anterior maxillary atrophy were randomly assigned to two groups ( n = 10). Ridge augmentation was performed using autogenous bone blocks (group I) or allograft bone blocks (group II). Implants were placed after 4 months. Alveolar bone width was assessed by cone beam computed tomography, and implant stability was measured using resonance frequency analysis.

Results

Both groups showed a significant increase in alveolar bone width at 4 months compared with baseline ( P < 0.001). The allograft group demonstrated greater postoperative bone width ( P = 0.005). Implant stability increased significantly in both groups with no intergroup differences. Postoperative pain and peri-implant parameters were comparable.

Conclusion

Both autogenous and allograft bone blocks effectively increased alveolar bone width using the Khoury technique. Allograft bone blocks achieved greater bone gain with comparable implant stability, representing a reliable alternative while avoiding donor-site morbidity.

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