Page 49 - Demo

Analgesic effects of preinjection low-level laser/light therapy473ResultsDescriptive analysisOur study included 163 patients who were scheduled for third molar extraction: 122 for mandibular third molar extraction and 41 for maxillary third molars extraction. Patient ages ranged from 18 to 75 years old, 81 were male (mean age, 31±14 years) and 82 were female (mean age, 30±12 years). A total of 18 patients were excluded for the following reasons: they were too anxious (n=2), treatment was deferred (n=1), the NeXus-10 did not properly record the data (n=3), or they were <18 years old (n=12). The computer model randomly assigned 82 patients to receive LLLT (44 female, 39 male), and 81 patients to the placebo group, which didn’t receive LLLT (38 female, 42 male). Two OMFS (OMFS1 and OMFS2) participated in this study. Only one OMFS was present at a time, and the included patients were approximately equally distributed between the two surgeons, with 90 patients treated by OMFS1 and 73 by OMFS2. Table I presents the results of these descriptive analyses. Table I: Descriptive data and comparison between the placebo and LLLT groupsPL (n=80) LLLT (n=83) p-valueGender Male 42 39 0.48Female 38 44Extraction Mandibular 64 58 0.14Maxillar 16 25Age Mean (SD) 29.1 (11.6) 31.5 (13.8) 0.23Max 71 75Min 18 18OMFS 1 42 48 0.492 38 55Anxiety Mean (SD) 4.3 (2.9) 4.5 (3.1) 0.68Pain 4.8 (2.2) 5.2 (2.4) 0.21Experience* Exp1 68.8 86.3 0.93Exp2 77.1 59.5 0.01Exp3 61.2 71.9 0.09Exp4 81.4 82.6 0.87*: Mean rank numbers from Mann-Whitney U test, LLLT: low-level laser therapy; Exp1: How well does a dental injection usually work for you?; Exp2: How much pain did you experience the last time you had a dental injection?; Exp3: How did you feel the last time you had a dental injection?; Exp4: If you went to the dentist tomorrow for a dental injection, how would you feel about that?