Volume 23, Issue 1 (22 2010)                   jdm 2010, 23(1): 21-26 | Back to browse issues page

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Hosseini M, Kamali A, Mahmoodzadeh Darbandi M. Evaluation of effect of low level laser therapy on pain during orthodontic tooth movement in human. jdm 2010; 23 (1) :21-26
URL: http://jdm.tums.ac.ir/article-1-110-en.html
Abstract:   (5690 Views)

Background and Aims: Lasers with different characteristics have been used to stimulate orthodontic tooth movements and to inhibit the pain during tooth movements. Considering the contradictory finding in this respect, the effect of low level laser therapy (LLLT) was evaluated on the pain during orthodontic tooth movement.

Materials and Methods: In this randomized clinical trial study, 12 patients were included with extracted upper first premolars and required canine retraction into extraction site. While in both sides canines were retracted by Niti coil spring, one side was exposed to GaAlAs laser (890nm). LLLT was done on the buccal and palatal mucosa by slow movement of probe. The patients were asked about their pain on both sides 2 days after beginning of retraction. Pain measurement was evaluated with VAS.

Results: Pain perception in LLLT side significantly decreased (P=0.007).

Conclusion: Based on the results, single irradiation of GaAlAs laser (12J energy per tooth) can decrease pain perception.

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Type of Study: Research | Subject: general
Received: 2009/06/2 | Accepted: 2010/01/15 | Published: 2013/09/25

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