Effect of a single dose of low-level laser therapy on spontaneous and chewing pain caused by elastomeric separators

Qamruddin, Irfan; Alam, Mohammad Khursheed; Fida, Mubassar; Khan, Asma Gul

doi:10.1016/j.ajodo.2015.06.024

Cited by 35 publications

(46 citation statements)

References 19 publications

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“…Hence, it is generally referred to as "Cold Laser" or Low-level laser. 20,[3][4][5][6][7][8][9][10] Though the precise mechanism of its therapeutic action is obscure, it has been confirmed that its actions are at tissue, cellular and molecular levels.…”

Section: Discussionmentioning

confidence: 99%

“…In the present study, infrared radiation of 940nm wavelength [8][9][10] and LLLT of wavelength close to lower end of infrared electromagnetic spectrum were used. As the infrared radiation has a low absorption coefficient in haemoglobin and water, it is generally agreed that it has deeper penetration.…”

Section: Discussionmentioning

confidence: 99%

“…The use of LLLI in orthodontics is a non-invasive procedure with promising results. [3][4][5][6][7][8][9][10] This treatment modality has been used in animal and human studies for various purposes with no adverse effects reported. However, it is always advised that the use of protective equipment and glasses is mandatory since International Electrotechnical Commission (IEC) has classified most of the lasers that are used in medical and dental practice are type 4 with potential effects on eyes and skin.…”

Section: Introductionmentioning

confidence: 99%

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Laser assisted orthodontic tooth movement in Saudi population: a randomized clinical trial.

Alam

2019

Bangladesh J Med Sci

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Objectives: This study aimed to assess laser assisted orthodontic tooth movement (OTM) among subjects undergoing fixed orthodontic treatment (FOT) of four different treatment modalities (TM). Materials and Methods: Following consort flow diagram, a total of 32 subjects randomly allocated in to 4 different group based on TM. Group A (GA): 8 subjects, FOT with self-ligating bracket (SLB) + low laser irradiation (LLLI), Group A (GB): 8 subjects, FOT with self-ligating bracket + Non-LLLI, Group C (GC): 8 subjects, FOT with conventional bracket (CB) + low laser irradiation (LLLI), Group D (GD): 8 subjects, FOT with CB + Non-LLLI. Results: Clinical photographs and diagnostic CBCT has been taken. Clinical observation of OTM, baseline, 1-day and 28-day afterFOT in all TM groups has been assessed by single calibrated specialist. Among 4 TM groups, best OTM results observed in GA and the lesser OTM observed in GD. Conclusion: Among all 4 TM groups,1-month after FOT GA revealed promising benefit in relation to OTM.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Laser assisted orthodontic tooth movement in Saudi population: a randomized clinical trial.

Alam

2019

Bangladesh J Med Sci

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“…When compared with placebo treatment, LLLI was shown to prevent reduction of the bite force, especially during the first month after initial archwire placement. Likewise, a significantly lower level of chewing pain was reported on the laser-treated side than on the placebo side for all 7 days after separator placement (21). Another study suggested that LLLI was the most effective strategy to control pain when chewing, biting and fitting front and back teeth over 7 days and that it produced effects comparable to those of ibuprofen (36).…”

Section: Subjective Pain Assessmentmentioning

confidence: 97%

“…Light force was applied on an approximate number of teeth on both sides of dental arch with small standardised thermal NiTi wires for the first 3 months (10,12). The 940-nm wavelength was reported to be beneficial for orthodontic pain management, periodontal inflammation control and bone remodelling in both in vitro and in vivo studies (19)(20)(21). The energy density of each irradiation was confirmed to be 8.6 J/cm 2 and 4 J/tooth, which also conformed to the recommended dosage of 0.5 to 10 J/site for orthodontic pain relief and 1 to 10 J/ cm 2 for periodontal inflammation control (10,12).…”

Section: Orthodontic and Low-level Laser Treatmentmentioning

confidence: 99%

Low-level laser-aided orthodontic treatment of periodontally compromised patients: a randomised controlled trial

Ren

McGrath

et al. 2019

Lasers Med Sci

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Low-level laser irradiation (LLLI) shows effects in orthodontic pain relief and periodontal inflammation control. The aim of this article is to investigate the analgesic and inflammation-modulatory effects of low-level laser irradiation among orthodontic patients with compromised periodontium. A randomised controlled trial with split-mouth design was conducted in 27 adults with treated and controlled chronic periodontitis over 6 months. One side of the dental arch underwent repeated treatment under a 940-nm diode laser (EZlase; Biolase Technology Inc.) with a beam size of 2.8 cm 2 for 60 seconds at 8.6 J/cm 2 , whilst the other side received pseudo-laser treatment. Laser irradiation was applied repeatedly for 8 times during the first 6 weeks after bracket bonding and monthly thereafter until the end of orthodontic treatment. Subjective pain (assessed by visual analogue scale in pain diary and by chairside archwire activation), periodontal status (assessed by periodontal clinical parameters), cytokines in gingival crevicular fluid (interleukin 1β, prostaglandin E 2 , substance P) and periodontopathic bacteria (Porphyromonas gingivalis and Treponema denticola) in supragingival plaque were assessed. The intensity of pain was lower on the laser-irradiated side at multiple follow-up visits (P < 0.05). The pain subsided 1 day earlier on the laser side, with a lower peak value during the first week after initial archwire placement (P < 0.05). The laser side exhibited a smaller reduction in bite force during the first month (mean difference = 3.17, 95% CI: 2.36-3.98, P < 0.05 at 1-week interval; mean difference = 3.09, 95% CI: 1.87-4.32, P < 0.05 at 1-month interval). A smaller increase was observed in the plaque index scores on the laser side at 1-month (mean difference = 0.19, 95% CI: 0.13-0.24, P < 0.05) and in the gingival index scores at the 3-month follow-up visit (mean difference = 0.18, 95% CI: 0.14-0.21, P < 0.05). Laser irradiation inhibited the elevation of interleukin-1β, prostaglandin E 2 and substance P levels during the first month (P < 0.05). However, no intergroup difference was detected in the bacteria levels. Low-level laser irradiation exhibits benefits in pain relief and inflammation control during the early stage of adjunctive orthodontic treatment in periodontally compromised individuals.

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Evaluating the effect of photobiomodulation with a 940-nm diode laser on post-operative pain in periodontal flap surgery

et al. 2018

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The aim of this study was to evaluate the efficacy of low-power of 940-nm diode laser on post-operative pain after undisplaced flap surgery. This randomized clinical trial study was conducted using a split-mouth design. The study participants comprised 30 patients who needed periodontal flap surgery for periodontal pockets on the same tooth on both sides of the mandible. One side of the mandible was subjected to undisplaced flap surgery plus treatment with a 940-nm diode laser, and on the contralateral side, the surgery was conducted without applying the laser. Patients received anti-inflammatory medication and analgesics after surgery. The patients were asked to report the number of analgesics they took and the pain they experienced each night for 1 week using a visual analogue scale. An independent-sample t test was used to compare the results between the two groups. Patients reported less pain on days 2, 3, 4, 5, 6, and 7 after surgery in the laser-treated group (p < 0.05). Furthermore, fewer analgesics were used in this group on days 3, 4, 5, 6, and 7 following the surgery (p < 0.05). The 940-nm diode laser with the settings used in this study could significantly reduce pain and the number of analgesics taken by patients after undisplaced flap surgery.

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Effect of a single dose of low-level laser therapy on spontaneous and chewing pain caused by elastomeric separators

Cited by 35 publications

References 19 publications

Laser assisted orthodontic tooth movement in Saudi population: a randomized clinical trial.

Laser assisted orthodontic tooth movement in Saudi population: a randomized clinical trial.

Low-level laser-aided orthodontic treatment of periodontally compromised patients: a randomised controlled trial

Evaluating the effect of photobiomodulation with a 940-nm diode laser on post-operative pain in periodontal flap surgery

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