Particulate bone grafting with a resorbable collagen membrane and horizontal alveolar ridge augmentation with tenting screws in dental implant placement: A case report.

Abstract

We used a mixture of particulate bone grafts (xenografts/allografts) with tenting screws to prevent membrane collapse and covered the graft with a resorbable collagen membrane to guide bone regeneration. This strategy can exclude the need for additional procedures, such as non-resorbable membranes and major block grafting surgeries. Although the initial outcomes are promising, continuous follow-up is required to examine the stability of the newly regenerated bone and the long-term success of the implant. This case demonstrates the use of particulate bone grafts covered with a resorbable collagen membrane and supported by tenting screws to correct horizontal alveolar ridge defects. A man in his 40s presented with missing maxillary anterior central and lateral incisors and required a fixed dental prosthesis. One year before, #12, #11, #21, and #22 had been extracted. The area showed horizontal and slight vertical bone loss. We used a mixture of particulate bone grafts (xenografts and allografts) with tenting screws to prevent membrane collapse and covered the graft with a resorbable collagen membrane to guide bone regeneration. After 6 months, complete bone regeneration was achieved, and the dental implants were submerged in the bone. After another 6 months, the patient was administered with a fixed dental prosthesis. This method can be used to correct horizontal alveolar ridge defects and achieve esthetic restoration without the need for more extensive procedures.