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24 patients are selected and 30 teeth in vestibular mucosae, without keratinized gingiva. No active periodontal disease (no BOP and gingival recessions). No BOP and CAL loss at the start of the orthodontic treatment. Every patient was treated with self ligating appliances (Time2/Time3, American Orthodontics). In every orthodontic session (each 30 days as average) the patient was treated with Nd: Yag laser biostimulation, for 90 seconds, with 320 micron fiber section, on utilizing the Biostimulating machine paremeters. No termical effects were produced by lasers applications. At the moment of debonding, 30 teeth involved in the research were evaluated in terms of quality and quantity of attached gingiva. BOP and CAL loss were also investigated. Every tooth considerated, at the end of orthodontic treatment showed a attached gingiva around the crown: the average of keratinized gingiva at the end of the study was 2,7 mm and the mean increasing at each month was 0,45 mm. The combination between self ligating appliances and laser's biostimulation could improve the differentiation of periodontal ligaments stem cells in fibroblasts, able to promote attached gingiva around the crown of the teeth erupted in oral vestibular mucosae.

Aim of this study is analyze the effects of dental occlusion on postural stability in patients with previous whiplash and malocclusion. Materials and methods: 30 adult patients with previous whiplash and malocclusion (crossbite, mandibular shift, bad alignment, edentulous spaces) were selected. The patients were suffering from masticatory muscles pain caused by clenching during sleep. Exclusion criteria: use of psych drugs. To simulate the conditions of sleep (with a reduction of proprio- and esteroceptive inputs for postural management performed by CNS), we used postural Romberg analysis (feet together, closed eyes) on stabilometric platform changing occlusal parameters only, under the following conditions: 1) in occlusal rest position, 2) in centric occlusion, 3) in clenching, 4) with occlusal disengage with cotton rolls and 5) in clenching on cotton rolls. Time of each test: 15 seconds. It was performed a statistical analysis with T-test comparing between them the mean of all tests. Results: stabilometry data (postural ball and ellipse) show better postural with occlusal disengage (in centric and in clenching), and a worsening in all tests with centric occlusion (with statistically significant difference - p

Background: Recently, various biostimulation′s effects of low energy laser irradiation have been reported. The present study was designed to examine the effects of low-energy laser irradiation on alveolar bone remodelling during orthodontic tooth movement and finally on formation of new keratinized gingiva. Materials and Methods: 22 patients and 27 teeth in vestibular mucosal without keratinized gingiva were selected. Every patient was treated with self ligating appliances. In every orthodontic session the patient was treated with Diode laser biostimulation. At the moment of debonding, 27 teeth involved in the research were evaluated in terms of quality and quantity of attached gingiva. BOP and CAL loss were investigated. Results: Every tooth considered at the end of orthodontic treatment showed an attached gingiva around the crown: The average of keratinized gingiva at the end of the study was 3.10 mm and the mean increasing at each month was 0,49 mm. Conclusions: The combination between self ligating appliances and laser′s biostimulation could improve the differentiation of periodontal ligaments stem cells in fibroblasts, able to promote attached gingiva around the crown of the teeth erupted in oral vestibular mucosa.