Abstract
BackgroundThe present study aims to assess the influence of low-level laser therapy (LLLT) on stability in implants placed in healed sites.Material and methodsThe present study followed the SPIRIT statement and is reported according to CONSORT. Patients were randomly allocated to LLLT or control groups. LLLT consisted in the application of 808-nm GaAlA laser applied before the preparation of the implant bed and after suturing (80 seconds; 11J/cm2). Implant stability quotient (ISQ) and the distance between the implant platform to the alveolar bone crest (millimeters) were assessed at implant placement (T0) and the abutment selection phase (4–6 months, Ta).ResultsA total of 64 implants were placed in 33 patients. The insertion torque ranged from 10 to 70 N.cm (mean 43.23; SD ±16.82). The T0 ISQ ranged from 18 to 95.5 (mean 61.7; SD ±18.23) and the crestal bone radiographic distance was 2.03 mm (SD±1.27). At Ta, the ISQ ranged from 39 to 90 (mean 64.2; SD±9.84), and the mean crestal bone radiographic loss was 1.70mm (SD±1.65). However, no differences were observed when LLLT and control groups were compared with ISQ difference (Ta–T0; p=0.598) or radiographical peri-implant alterations (p=0.531).ConclusionLLLT did not influence the implant stability in implants placed in healed sites compared to a control group.Trial registrationReBEC, RBR-35TNJ7. Registered May 23, 2018
Highlights
The present study aims to assess the influence of low-level laser therapy (LLLT) on stability in implants placed in healed sites
LLLT did not influence the implant stability in implants placed in healed sites compared to a control group
A systematic review concluded that several animal studies have indicated that LLLT could facilitate hard and soft tissue regeneration, promoting osseointegration and improving implant stability [13]; there is still a gap in the literature regarding pieces of evidence obtained from clinical studies
Summary
The present study aims to assess the influence of low-level laser therapy (LLLT) on stability in implants placed in healed sites. Dental implants are the gold standard for replacing missing teeth. It can be prescribed from a single tooth to full-arch rehabilitation and can be placed at the same appointment of tooth extraction or after proper healing of an extraction socket [1]. Among the studies investigating the improvement of implant stability, undersized site preparation, flapless surgery, and the application of low-level laser therapy (LLLT) have been suggested [4,5,6,7]. Published randomized controlled trials on this topic [11, 14] have reported controversial results in regard to implant stability enhancement when LLLT was applied compared to a control group
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