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Niger J Clin Pract. 2019 Jul;22(7):977-981. doi: 10.4103/njcp.njcp_652_18.

Three-dimensional bone grafting in dental implantology using autogenous bone ring transplant: Clinical outcomes of a one-stage technique.

Author information

1
Departments of Oral and Maxillofacial Surgery, Faculty of Dentistry, Ege University, Izmir, Turkey.
2
Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Izmir Democracy University, Izmir, Turkey.
3
Department of Prosthodontics, Faculty of Dentistry, Ege University, Izmir, Turkey.

Abstract

Background:

An insufficient bone volume at the maxillary anterior region often restricts dental implant treatment and commonly leads to poor aesthetic outcomes. The defective site requires bone grafting as an initial surgical intervention before dental implant placement. In dental implantology, reconstructing osseous defects using autologous block bone grafts, biomaterials, or a combination of both is a routine surgical procedure. This study aims to evaluate the efficacy of autogenous, symphyseal, bone ring block grafts after the augmentation of defective sockets and clinical application of grafts in the maxillary anterior region with immediate insertion of a dental implant in a single surgical procedure.

Materials and Methods:

The study included eight patients (five females and three males) with 12 defective sockets. The technique included removing the bone from the chin region for transplant, fitting the three-dimensional bone rings in the prepared sockets of the maxillary anterior region, and screwing the dental implants through the rings. Patients underwent postoperative clinical examinations every day during the first week and then every month for 6 months.

Results:

In two cases, the wound dehisced but healed by secondary intervention during the follow-up period. In one case, the ring graft sequestrated because of infection in postoperative month 2, the osseous defect was reconstructed with biomaterials. The remaining cases healed with no infection, and no other case failed during the first year.

Conclusion:

This technique showed promising and advantageous results, and thus, could be an alternative treatment to other autogenous graft techniques, particularly for defective sockets.

KEYWORDS:

Autogenous bone block; bone ring technique; ring block graft

PMID:
31293264
DOI:
10.4103/njcp.njcp_652_18
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