Influence of low‐level laser therapy on implant stability in implants placed in fresh extraction sockets: A randomized clinical trial

Abstract

Background: Low-level laser therapy (LLLT) has been suggested to improve primary stability at the early stages of osseointegration in animal models. However, there is still scarce evidence about its influence on implant stability in humans. Purpose: To assess the influence of LLLT on implant stability in implants placed in fresh extraction sockets. Material and methods: A randomized controlled trial was designed according to the SPIRIT guidelines and is reported following the CONSORT. Patients were randomly allocated according to control or LLLT groups. LLLT consisted in the application of GaAlAs laser (808 nm, avg. power density: 50 mW, circular spot diameter and area: 0.71 cm/0.4cm 2) applied in six points in contact mode with peri-implant soft tissue (1.23 minutes in each point of application; dose per point 11 J) before bone perforation and after suturing. The total dose resulted in 66 J per application moment. This LLLT protocol was applied only in the dental implant placement session. Implant stability was by ISQ at implant placement (T 0) and the abutment selection (T a). Digital radiographs for T 0 and T a were used to assess the distance between the implant platform and alveolar bone crest, in millimeters. T-test and Shapiro-Wilk test were used to analyze data between groups using the implant as a unit of analysis. Results: Fifty implants were placed in 44 patients. The insertion torque ranged from 15 to 60 N.cm (mean 35.64 ± 13.34). Two implants of the LLLT and one of the control groups were lost to follow-up and one implant of the control group failed to osseointegrate (4.3%). ISQ at T 0 ranged from 17 to 79 (mean 59.33 ± 13.05) and from 40 to 89 (mean 66.46 SD ± 11.56) at T a. No differences were observed when comparing the groups with ISQ difference (P = .433) or radiographical peri-implant alterations (P = .261). Conclusions: LLLT did not influence implant stability in implants placed in fresh extraction sockets when assessed at healing abutment installation.

Comparison of nonself‐tapping tapered implant and self‐tapping hybrid implant in terms of implant stability at initial and second fixation: A prospective randomized clinical trial

“…RFA is used in many clinical studies because of its minimally invasive nature and high reproducibility. [24][25][26][27] The ISQ value can be used to predict failure, and successful results can be obtained when the second stability value is 60 or more. 28,29 For RFA measurements, SmartPeg is installed on the platform, and the stable value for the implant is measured by determining the resonance frequency of the porcelain pulse applied to SmartPeg.…”

“…In this study, RFA was used to assess implant stability. RFA is used in many clinical studies because of its minimally invasive nature and high reproducibility 24‐27 . The ISQ value can be used to predict failure, and successful results can be obtained when the second stability value is 60 or more 28,29 .…”

Photobiomodulation therapy reduces postoperative pain after third molar extractions: A randomized clinical trial

“…The application points were divided into two points in the labial region (apical and cervical); two points in the lingual region (apical and cervical); and two points in the previous occlusal direction, resulting in a total dose of 66 J. This PBMT protocol was applied only in the tooth extraction and is based on a previous study ( 16 , 17 ).…”

Laser na implantodontia: revisão integrativa

“…Os implantes dentais são bastantes utilizados em pessoas que desejam substituir dentes perdidos ou com falhas, e para se obter boa estabilidade desse implante é preciso que o processo de osseointegração apresente bons resultados. A terapia a laser de baixa intensidade (LLLT) apresenta uma resposta significativa na melhoria dessa estabilidade primária nas fases iniciais da osseointegração (Lobato et al, 2020).…”

“…A fototerapia do laser ocorre devido ao comprimento de onda infravermelho que é absorvido pelo tecido, o que estimula ao redor do local da aplicação várias respostas, como a atividade osteoblástica, bioestimulando a formação do tecido ósseo e redução de processos inflamatórios, essa LLLT também está relacionada com a penetração da luz no comprimento de onda Research, Society and Development, v. 10, n. 3, e31310313322, 2021 (CC BY 4.0) | ISSN 2525-3409 | DOI: http://dx.doi.org/10.33448/rsd-v10i3.13322 (Lobato et al, 2020). Além disso, a laserterapia tem auxiliado a implantodontia oral a reduzir o tempo de cicatrização (Zayed et al, 2020).…”