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Volume 42 , Issue 1
January/February 2022
Pages 43–51

Implant Site Development Using Titanium Mesh in the Maxilla: A Retrospective Study of 58 Mesh Procedures in 48 Patients

Robert A. Levine, DDS/Pin-Chuang Lai, DDS, PhD/Aleem Manji, DDS, MS/John Bruce, DMD/Diksha Katwal, DDS, MSD/Po-Hsu Allen Chen, PhD/Joanie Faucher, DDS, MS/Bradley S. McAllister, DDS, PhD/Philip Fava, DMD, MDSc/William C. Scarfe, BDS, MS

PMID: 35060966
DOI: 10.11607/prd.5530

This article presents a retrospective case series of implant site development using titanium mesh (Ti-mesh) in the maxilla. A total of 58 mesh procedures in combination with several different bone grafts (allograft, cellular allograft, and bovine xenograft) and biologics (including recombinant human platelet-derived growth factor, autogenous platelet-rich growth factor, and recombinant human bone morphogenetic protein-2) were performed in 48 patients. Ti-mesh guided bone regeneration procedures were performed 2 to 3 months after extraction of nonrestorable/hopeless teeth, and the implants were placed 6 to 8 months postaugmentation. The mean initial ridge width was 2.0 ± 1.0 mm, and the mean horizontal gain after Ti-mesh procedures was 4.7 ± 1.6 mm. The ridge width was first measured on the cross-sectional presurgical CBCT image and then confirmed clinically during surgical procedures. No statistical difference in the horizontal gain was found among different combinations of bone grafts and biomaterials. Ti-mesh exposure occurred 22% of the time. The middle-aged adults (odds ratio [OR] = 8.59; P = .046) and older adults (OR = 16.66; P = .02) had significantly higher chances of mesh exposure compared to young adults. While all implants were successfully placed, about 56% of the implants had < 2 mm of bone to the facial aspect of the osteotomy and received additional contour augmentation when placed in a prosthetically appropriate position for a screw-retained restoration. This study demonstrates that although Ti-mesh procedures result in significant bone regeneration in narrow alveolar ridges to predictably allow implant placement, the age-related mesh exposure rate and frequency of need for additional contour grafting should be discussed with patients.

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