Retrospective radiographic study of marginal bone changes of 88 implants placed with split crest technique in the maxillary latero-posterior area

  • S. Longoni | salvatore.longoni@unimib.it MD, DDS, Contract Professor of Prosthodontics, Milano Bicocca University Dental School, Milan, Italy, Italy.
  • I. Maroni MD, DMD, Private Practice, Varese, Italy, Italy.
  • A. Baldini DDS, PhD, PhD division of Orthodontics, University of Rome Tor Vergata, Rome, Italy, Italy.
  • M. Sartori DDS, PhD, Phd in Experimental Periodontology, Contract Professor of Prosthodontics, Milano Bicocca University Dental School, Milan, Italy, Italy.

Abstract

Aim This article presents a retrospective study on the behavior of implants placed with split crest technique in lateroposterior maxillary class IV atrophy.
Materials and Methods Subjects who underwent implant placement following split crest technique in the maxillary latero-posterior area were enrolled in the present retrospective study. After a mean period of 6.2 years of function implant survival and success rates were assessed. Moreover, radiographic examination was made on digital periapical radiographs and by means of a specific software. Bone level changes were measured as the difference between the peri-implants crestal bone level and the implants shoulder during the last patient’s visit recall examination.
Results A total of 30 patients satisfied the inclusion criteria and were included in the study; the subjects were treated with 88 implants (64 transmucosal and 24 submerged). The observation period for all patients treated with split crest technique varied between 4 and 8 years (mean 6.2 years). The implants survival rate was 96.6% and the prostheses survival rate was 100%. Bone resorption ranged between 2.3 mm and 2.7 mm.
Conclusion Implants inserted in conjunction with split crest technique seems to be a promising therapy with similar results as conventional implant surgery.

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Published
2016-04-30
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Articles
Keywords:
Bone expansion, Bone resorption, Osteotome, Piezosurgery, Split crest
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How to Cite
Longoni, S., Maroni, I., Baldini, A., & Sartori, M. (2016). Retrospective radiographic study of marginal bone changes of 88 implants placed with split crest technique in the maxillary latero-posterior area. Journal of Osseointegration, 8(1), 8-13. https://doi.org/10.23805/jo.2016.08.01.02