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Laser Literature Review - June 2021

Compiled by Dr Igor Cernavin, Prosthodontist, Honorary Senior Fellow University of Melbourne School of Medicine, Dentistry and Health Sciences, Director and Cofounder of the Asia Pacific Institute of Dental Education and Research (AIDER), Australian representative of World Federation of Laser Dentistry (WFLD)


Zhuang et al1 analyzed the effects of the Er:YAG laser used with different parameters on dentinal tubule (DT) occlusion, intrapulpal temperature and pulp tissue morphology in order to determine the optimal parameters for treating dentin hypersensitivity.

They concluded that 0.5 W (167 J/cm2) is a suitable parameter for Er:YAG laser to occlude DTs, and it is safe to the pulp tissue.


Simoes and coworkers2 evaluated, through a literature review, the applicability of high- and low-intensity lasers in the treatment of Dentine Hypersensitivity for the past 10 years, as well as its therapeutic potential. They found that high- and low-intensity lasers, associated or not with other therapies, have demonstrated beneficial effects in the treatment of DH, being considered a promising, safe, easy, and effective field of research, reducing pain sensitivity and preserving pulp vitality.


Bozkaya et al3 assessed whether photobiomodulation therapy improved implant stability and affect the microbiota around dental implants in the early stage of osseointegration and concluded that it did not.


Won Sang Yoo and coworkers4 investigated whether photobiomodulation restored normal thyroid follicular cells affected by ionizing radiation and examined the mechanism, .and concluded that it was effective.

Walinski et al5 reported that removing laminate veneers on anterior teeth by using an Er,Cr:YSGG dental laser can be completed faster than previously reported while maintaining thermal safety.


Oliveira and coworkers6 evaluated the effect of different protocols of low-level intensity laser therapy (LLLT) irradiation on the osseointegration of implants placed in grafted areas. They concluded that LLLT performed on implants placed in grafted areas enhances the osseointegration process.


Papadopoulos et al7 evaluated the efficacy of intracoronal bleaching treatments of non-vital teeth either activated or not by Er,Cr:YSGG laser (2780nm) operating at 1.25 or 2.5W. The abstract is reproduced in full.



Maria Aparecida Traverzim and coworkers8 published an article on the Effect of Photobiomodulation on analgesia during childbirth and concluded that LED can be considered an alternative, since it caused pain reduction without changing other parameters during labor, compared with hot shower, a method included in hospital protocols, proving to be safe.


Xue et al9 published a review of the effects of a 9.3-mum carbon dioxide (CO2) laser and silver diamine fluoride (SDF) on the prevention of enamel demineralisation and inhibition of cariogenic bacteria. The abstract is reproduced in full.



Alia and coworkers10 evaluated and compared the pain perception, anxiety level, and acceptance of Er,Cr:YSGG laser (2780 nm) with a conventional rotary method during cavity preparation in children. They concluded that it was more effective and acceptable, as it was less anxiety-provoking and may cause less pain when compared with the air rotor.


Ebrahimi et al11 published a systematic review and meta-analysis to determine the effect of photobiomodulation (PBM) as an adjunctive treatment to periodontal therapies to evaluate secondary intention gingival wound healing and post-operative pain. They concluded that PBM can be effectively used as a method to improve secondary intention wound healing.

Yang and coworkers12 explored the efficacy of laser therapy in reducing swelling and pain in female patients after alveolar bone grafting and concluded that it was quite effective and improved the quality of life of these patients.





References:


1. Zhuang, Hongmin; Liang, Yuee; Xiang, Shaowen; et al. Dentinal tubule occlusion using Er:YAG Laser: an in vitro study. Journal of applied oral science : revista FOB Volume: ‏ 29 Pages: ‏ e20200266 Published: ‏ 2021.

2. Simoes, Thamyres-Maria-Silva; Melo, Kamila-Cibele-Bezerra; Fernandes-Neto, Jose-de Alencar; et al. Use of high- and low-intensity lasers in the treatment of dentin hypersensitivity: A literature review. Journal of clinical and experimental dentistry Volume: ‏ 13 Issue: ‏ 4 Pages: ‏ e412-e417 Published: ‏ 2021-Apr.

4. Won Sang Yoo, Yun-Hee Rhee, KyoChil Shin, Jin-Chul Ahn, Hyung Kyung Chung and Phil-Sang Chung. Effect of Photobiomodulation on Restoration of Ionizing Radiation- Induced Thyroid Dysfuction Through p53 and Retinoblastoma Signaling. Published on line : 12 April 2021 https://doi.org/10,1089/photob.2020.4936.

5. Walinski, C J; Gibson, J E; Colvert, D S; et al. Debonding of Leucite-reinforced Glass-ceramic Veneers Using Er, Cr:YSGG Laser Device: Optimizing Speed with Thermal Safety. Operative dentistry Volume: ‏ 46 Issue: ‏ 1 Pages: ‏ 100-106 Published: ‏ 2021-Jan-01.

9. Zhao, Irene Shuping; Xue, Vicky Wenqng; Yin, Iris Xiaoxue; et al. Use of a novel 9.3-mum carbon dioxide laser and silver diamine fluoride: Prevention of enamel demineralisation and inhibition of cariogenic bacteria. Dental materials : official publication of the Academy of Dental Materials Published: ‏ 2021-Mar-08 (Epub 2021 Mar 08).

10. Alia, Sana; Khan, Suleman A; Navit, Saumya; et al. Comparison of Pain and Anxiety Level Induced by Laser vs Rotary Cavity Preparation: An In Vivo Study. International journal of clinical pediatric dentistry Volume: ‏ 13 Issue: ‏ 6 Pages: ‏ 590-594 Published: ‏ 2020 Nov-Dec.

11. Ebrahimi, Pooya; Hadilou, Mahdi; Naserneysari, Ferdos; et al. Effect of photobiomodulation in secondary intention gingival wound healing-a systematic review and meta-analysis. BMC oral health Volume: ‏ 21 Issue: ‏ 1 Pages: 258 Published: ‏2021 May 13

12. Yang, Ying; Zhang, Bo; Li, Wei Efficacy of Laser Therapy in Reducing Swelling and Pain Following Alveolar Bone Grafting: A Randomized Controlled Trial. Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons Published: ‏ 2021-May-02 (Epub 2021 May 02).

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