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Clin Implant Dent Relat Res. 2015 Oct;17(5):1004-13. doi: 10.1111/cid.12201. Epub 2014 Jan 27.

A 1-Year Prospective Clinical and Radiographic Study of Early-Loaded Bone Level Implants in the Posterior Maxilla.

Author information

1
Department of Oral Surgery, School of Dentistry, University of Belgrade, Belgrade, Serbia.
2
Department of Prosthodontics, School of Dentistry, University of Belgrade, Belgrade, Serbia.

Abstract

PURPOSES:

The primary aim of the study was to investigate a 1-year success rate of early-loaded bone level implants with a chemically modified sand-blasted, large grit, acid-etched surface (SLActive®, Institut Straumann AG, Basel, Switzerland) in the posterior maxilla. Secondary objectives included stability of these implants and peri-implant bone level.

MATERIALS AND METHODS:

Bone level® implants (Institut Straumann AG) inserted into premolar and/or molar maxillary sites were loaded after 6 weeks of healing. The implants were monitored for 1 year using the following outcome measures: implant success, primary and secondary stability, and peri-implant bone level.

RESULTS:

Out of 37 implants placed in 13 patients, 36 reached sufficient stability and were early loaded, whereas one underwent a delayed loading protocol. One-year success rate of early-loaded implants was 100%. Implant stability at baseline was 71.7 ± 5. 6 to be steadily increased thereafter up to 1 year (80.3 ± 3.3), except at 2 weeks when a nonsignificant decrease was noticed (71.9 ± 3.9). Continuous and significant bone loss was observed, reaching 0.4 ± 0.1 mm in the first postoperative year.

CONCLUSION:

Bone level implants with the SLActive surface placed into low-density bone and loaded after 6 weeks of healing can predictably achieve and maintain a successful tissue integration.

KEYWORDS:

SLActive surface; bone level implants; early loading; low-density bone

PMID:
24461229
DOI:
10.1111/cid.12201
[Indexed for MEDLINE]

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