J Dent Rehabil Appl Sci.  2018 Mar;34(1):32-38. 10.14368/jdras.2018.34.1.32.

A 3 year prospective study of survival rate of narrow diameter implants

Affiliations
  • 1Department of Periodontology, College of Dentistry, Dankook University, Cheonan, Republic of Korea. perioshin@dankook.ac.kr
  • 2Department of Prosthodontics, College of Dentistry, Dankook University, Cheonan, Republic of Korea.

Abstract

PURPOSE
The purpose of present study was to retrospectively analyze the survival rate of narrow diameter implant less than 3.6 mm by initial stability and radiographic measurements.
MATERIALS AND METHODS
In total, 24 patients who received 38 narrow diameter implants (≤ 3.6 mm in diameter, ≥ 7 mm in length) were enrolled in this retrospective study. The cumulative survival rate was calculated and various factors were investigated according to the implant platform diameter, body diameter, length, position, concomitant use of guided bone regeneration in implant placement and final prosthesis type. Initial stability was investigated with implant stability quotient (ISQ) value. The mesial and distal marginal bone level (MBL) change was calculated with radiography.
RESULTS
The overall survival rate was 92.11%. Mean ISQ value and MBL change of survival implants was 66.26 and 0.14 ± 0.31 mm, respectively. None of the implants with platform diameters larger than the body diameter failed.
CONCLUSION
In conclusion, the findings of present study suggest that narrow diameter implant could be predictable treatment in narrow alveolar ridge.

Keyword

narrow implant; survival rate; resonance frequency analysis
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