Low-level laser therapy affects osseointegration in titanium implants: resonance frequency, removal torque, and histomorphometric analysis in rabbits

Journal of the Korean Association of Oral and Maxillofacial Surgeons
Jong-Ryoul KimYong-Deok Kim

Abstract

The purpose of this study was to investigate the effects of low-level laser therapy (LLLT) with a diode gallium-aluminum-arsenide (Ga-Al-As) low-level laser device on the healing and attachment of titanium implants in bone. Thirteen New Zealand white male rabbits weighing 3.0±0.5 kg were used for this study. Dental titanium implants (3.75 mm in diameter and 8.5 mm in length, US II RBM plus fixture; Osstem, Seoul, Korea) were implanted into both femurs of each rabbit. The rabbits were randomly divided into a LLLT group and a control group. The LLLT was initiated immediately after surgery and then repeated daily for 7 consecutive days in the LLLT group. Six weeks and 12 weeks after implantation, we evaluated and compared the osseointegration of the LLLT group and control group, using histomorphometric analysis, removal torque testing, and resonance frequency analysis (RFA). The results were statistically significant when the level of probability was 0.05 or less based on a non-parametric Mann-Whitney U-test. The implant survival rate was about 96%. Histologically and histomorphometrically, we observed that the titanium implants were more strongly attached in LLLT group than in control group. However, there was no significant diff...Continue Reading

References

Jan 1, 1989·Lasers in Surgery and Medicine·B BravermanM S Bapna
Dec 1, 1988·International Journal of Oral and Maxillofacial Surgery·Y Takeda
Jul 23, 1999·International Journal of Oral and Maxillofacial Surgery·B FribergU Lekholm
Mar 27, 2003·Clinical Oral Implants Research·Gaetano A GuzzardellaRoberto Giardino
May 15, 2004·Clinical Oral Implants Research·Maawan KhadraHans R Haanaes
Apr 16, 2010·Lasers in Medical Science·Alexandre Pozo MalufRui Barbosa de Brito
Jun 7, 2012·Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology·Ji-Su Oh, Su-Gwan Kim

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Citations

Jul 26, 2017·Photomedicine and Laser Surgery·Randa ZeinStefano Benedicenti
Apr 11, 2020·Journal of Lasers in Medical Sciences·Maryam Baghizadeh FiniAhmadreza Homayouni
Jun 28, 2018·Journal of Materials Science. Materials in Medicine·Zena G M AzzawiGhassan Abdul-Hamid Naji

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