Evaluation of the effect of a GaAIAs laser in the stability of titanium implants by means of resonance frequency analysis / "Avaliação do efeito da irradiação com laser de diodo de GaAlAs na estabilidade de implantes de titânio por meio da análise de freqüência de ressonância"

AUTOR(ES)
DATA DE PUBLICAÇÃO

2007

RESUMO

JThe present study was carried out to evaluate the effect of irradiation with the GaALAs laser in the stability of titanium implants (ISQ), inserted in partially edentulous patients, by means of resonance frequency analysis (RFA); as well as to evaluate the evolution of the stability during the osseointegration processs. A group of 8 patients were seleted for the insertion of 30 implants (Xive S® - Dentsply). The implants in the control site were not irradiated, and the implants in the experimentall site were submitted to laser therapy with a GaAlAs with ?= 830 nm, energy density of 8 j/cm2, power of 100 mW, continuing mode, in 20 points, for 3 seconds per point. The first irradiation was immediately after the surgery, and it was repeated every 48 hours in the first 14 days, totalizing 7 irradiations. After the implants insertion, the primary stability was measured using Osstell?. New measurements were carried out after 10 days, 3, 6, 9, 12 weeks. The incial ISQ values ranged from 65-84, with a mean of 76, showing a significative decrease in the stability from the 10th day to the 6th weeks in the irradiated group, and showing a gradual increase from 6th to 12th week. The highest ISQ values were observed in the 10th day in the irradiated group, and the lower ISQ values were observed in the 6th week in both groups. The effect of the irradiation with GaAlAs laser in implant stability was not evicenced; however, it can not be affirmed that irradiated and not irradiated implants have similar bone repair patterns and osseointegration rates.

ASSUNTO(S)

laser osstell implantes osseointegração biomodelação osseointegration osstel reparação óssea análise de freqüência de ressonância implants lllt laser lasertherapy resonance frequency analysis lllt biomodulation bone repair low level laser laser de baixa intensidade laserterapia

ACESSO AO ARTIGO

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