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Implant Dent. 2009 Dec;18(6):530-8. doi: 10.1097/ID.0b013e3181b4b45b.

A prospective follow-up study of 44 mandibular immediately loaded implants using resonance frequency analysis: preliminary 1-year results.

Author information

  • 1Department of Orthodontics, Latin-American Institute of Dental Research and Education-ILAPEO, Curitiba, Brazil. amelo@ilapeo.com.br

Abstract

PURPOSE:

This clinical study aimed to evaluate initial, 4-months, and 1-year stability of immediately loaded dental implants inserted according to a protocol of lower rehabilitation with prefabricated bars.

MATERIALS AND METHODS:

The sample was composed of 11 edentulous patients. In each patient, 4 interforaminal implants were inserted. Immediately after implant installation, resonance frequency analysis (RFA) for each fixation was registered as well as after 4 months and 1 year with the prosthetic bar removed as it is a screwed system.

RESULTS:

The clinical implant survival rate was 100%. The RFA showed an increase in stability after 4 months from 64.09 +/- 6.48 to 64.31 +/- 4.96 and 1 year, 67.11 +/- 4.37. The analysis of variance showed a statistically significant result (P = 0.015) among implant stability quotient values for the different periods evaluated. Tukey test results showed statistically significant differences between 1-year results and the initial periods but there was no statistically significant difference between initial and 4-month results (P > 0.05).

CONCLUSION:

These preliminary 1-year results indicate that immediate loading of mandibular dental implants using the studied prefabricated bars protocol is a reliable treatment as it is in accordance with the results described in the literature for other similar techniques.

PMID:
20009607
[PubMed - indexed for MEDLINE]
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