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Volume 34 , Issue 2
March/April 2014
Pages 225–231

A Retrospective Report on Three Implant Devices Used to Restore Posterior Partial Edentulism: Overall Performance and Changes in Crestal Bone Levels

Jaffer Y. Kermalli, BSc, DDS/Douglas A. Deporter, DDS, PhD/Eshetu G. Atenafu, MSc/Ernest W. Lam, DMD, PhD, FRCD(C)

PMID: 24600658
DOI: 10.11607/prd.1542

Three implant designs were used to treat posterior partial edentulism. A total of 799 implants (563 Osseotite, 65 Straumann SLA,171 Endopore SPS) were placed in 345 patients. SPS implants were used in sites with less bone, had shorter lengths, and functioned longer than the threaded implant designs. Comparing implant losses, SPS implants had a higher failure rate (9.3%) compared with Osseotite (4.0%) or SLA (0%) implants. SPS implant losses generally occurred as late failures, while Osseotite losses were early failures. However, among surviving implants, SPS implants had less crestal bone loss at all time intervals compared with both of the threaded implant designs. (Int J Periodontics Restorative Dent 2014;34:225–231. doi: 10.11607/prd.1542)

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