Relationship between implant stability on the abutment and platform level by means of resonance frequency analysis: A cross-sectional study

Resonance frequency analysis (RFA) has become the main tool used to assess the osseointegration of dental implants. The objective of this study was to verify the relationship between the ISQ values with different prosthetic abutments and with the implant platform. The hypothesis was that ISQ values...

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Bibliographic Details
Published in:PloS one 2017-07, Vol.12 (7), p.e0181873-e0181873
Main Authors: Lages, Frederico Santos, Willya Douglas-de-Oliveira, Dhelfeson, Ibelli, Guilherme Siqueira, Assaf, Fatimah, Queiroz, Thallita Pereira, Costa, Fernando Oliveira
Format: Article
Language:English
Subjects:
Abutments
Age
Analysis
Biology and Life Sciences
Clinical trials
Correlation
Correlation analysis
Cross-Sectional Studies
Data processing
Dental Abutments
Dental Implantation, Endosseous
Dental Implants
Dental Prosthesis Design
Dental prosthetics
Dental Restoration Failure
Dental restorative materials
Engineering and Technology
Frequency analysis
Frequency stability
Generalized linear models
Humans
Impact analysis
Longitudinal studies
Medical research
Medicine and Health Sciences
Methods
Middle Aged
Osseointegration
Patients
Physical Sciences
Prostheses
Regression analysis
Research and Analysis Methods
Resonance
Significance
Statistical analysis
Statistical significance
Studies
Surgical implants
Transplants & implants
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Summary:Resonance frequency analysis (RFA) has become the main tool used to assess the osseointegration of dental implants. The objective of this study was to verify the relationship between the ISQ values with different prosthetic abutments and with the implant platform. The hypothesis was that ISQ values changes according to the abutment height. Twelve patients were included, whose contribution to the study was 31 dental implants (external hexagon connection implants, 4.1x10 mm). The temporary implant-supported crown and prosthetic components were removed and the following smartpegs were inserted, one at a time: type 1, in the implant platform (G1); type A3, in the microunit component with 1mm transmucosal height (G2) and type A3, in the microunit component with 5mm transmucosal height (G3). In all the smartpegs, RFA measurements were taken on mesial, distal, buccal and lingual surfaces. All evaluations were performed by a single calibrated examiner (ICC = 0.989). Data were analyzed by Friedman and Spearman correlation tests and log-linear marginal regression (p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0181873