Effect of Low Level Laser Therapy on Gingival Inflammation in Patients undergoing Fixed Orthodontic Treatment: A Randomized Clinical Trial

Eman Aly; Hend Salah Hafez; Amr Hussein Labib; Tarek Abdel Hamid Harhash; Mohamed Abou El-Yazeed; Sylvana Gaber; Shaimaa Nasr

doi:10.3889/oamjms.2020.4201

Authors

Eman Aly Department of Orthodontics and Pediatric Dentistry, National Research Centre, Cairo, Egypt
Hend Salah Hafez Department of Orthodontics and Pediatric Dentistry, National Research Centre, Cairo, Egypt
Amr Hussein Labib Department of Orthodontics, Faculty of Oral and Dental Medicine, Cairo University, Egypt
Tarek Abdel Hamid Harhash Department of Dentistry, National Institute for Laser Enhanced Sciences, Cairo University, Egypt
Mohamed Abou El-Yazeed Department of Orthodontics and Pediatric Dentistry, National Research Centre, Cairo, Egypt
Sylvana Gaber Department of Medical Microbiology and Immunology, Faculty of Medicine, Fayoum University, Egypt
Shaimaa Nasr Department of Periodontology, Faculty of Oral and Dental Medicine, Fayoum University, Egypt

DOI:

https://doi.org/10.3889/oamjms.2020.4201

Keywords:

low level laser, gingival inflammation, gingivitis, fixed Orthodontic treatment

Abstract

AIM: The aim of this study was to compare the effect of low level laser therapy (LLLT) with non-LLLT as an adjunct to mechanical debridement in patients who develop gingival inflammation during fixed orthodontic treatment.

MATERIALS AND METHODS: Thirty subjects undergoing comprehensive fixed orthodontic treatment were randomly allocated. Split mouth design was applied for each patient, where the four quadrants were randomly allocated to receive full mouth debridement. The test group (quadrant) received three laser sessions (days 1, 3, and 5) besides debridement while the control group (quadrant) received debridement only. Both bleeding index (BI) and plaque index (PI) were measured after 1 and 3 months, while the total colony forming units (CFU) were measured after 2 and 6 weeks.

RESULTS: Clinical assessments (BI and PI) showed a statistically significant decrease at the first follow-up (after 1 month) and a slight increase in the second (after 3 months) that did not reach the base line. While, the total CFU showed a significant decrease in both follow-ups.

CONCLUSION: Laser showed superior results in the treatment of gingival inflammation induced by fixed orthodontic appliances other than debridement only.

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