Tomographic Evaluation of The Dimensional Changes After Horizontal Ridge Augmentation of the Lower Posterior Mandible Using a Novel Customized Porous Zirconia Shell Technique: Clinical Case Study.

Ridge augmentation is a surgical procedure designed to increase the height and width of the alveolar ridge to provide adequate bone volume for the placement of dental implants. Deficient alveolar ridges are treated using various surgical techniques to restore adequate bone volume for dental implant placement. These techniques include guided bone regeneration (GBR), ridge splitting, distraction osteogenesis, autogenous block bone grafting, onlay bone grafting, and maxillary sinus lifting.

The Khoury technique is a widely recognized approach in dental implantology for horizontal and vertical ridge augmentation. This technique involves the use of autogenous bone blocks harvested from the patient, typically from the mandibular symphysis or ramus. These bone blocks are split into thin laminae and stabilized with micro screws to reconstruct deficient alveolar ridges , and the voids created between the bone blocks are filled with autogenous bone chips to promote regeneration .

This approach is associated with risks, such as donor site morbidity, infection, and potential neurosensory disturbances, sever post operative pain, also technical complexity of the procedure also restricts its application to highly skilled clinicians and patients with adequate donor sites.

These challenges highlight the need for alternative techniques or improved strategies to overcome the limitations of the Khoury technique while achieving predictable outcomes in ridge augmentation procedures.

Zirconia is utilized in the fabrication of zirconia crowns and dental implants, among other dental replacement components. This material is a polycrystalline ceramic with high strength and rigidity, even at small thickness, and bio inertness, among other interesting properties.