The aim of this study was to evaluate the use of fluoride varnish as a prophylaxis method with self etching primer (SEP) and its comparison with pumice before orthodontic bonding. Thirty seven orthodontic patients participated in a prospective clinical trial. A split mouth technique was used in each patient, one quadrant was assigned to fluoride varnish and the contralateral quadrant to pumice prophylaxis. A total of 684 teeth were bonded with SEP (Transbond plus; 3M Unitek) and monitored for 6 months for bond failures. A total of 42 (6.1%) failures were recorded, 9 (2.6%) in the pumice group and 33 (9.6%) in the fluoride varnish group. Chi-square analysis was used to compare the number of bracket failures between the pumice and fluoride varnish groups and the number of patients in each group experiencing at least one bond failure. Statistically significant differences were found both in total number of bond failures (P < 0.001) and in the number of patients with bond failures (P < 0.05) between both groups. A significantly lower and clinically acceptable bond failure rate was observed with Transbond Plus self etching primer after pumice prophylaxis.
Background: There is a constant pursuit for substituting orthognathic surgical options by minimally invasive pre-orthodontic surgical procedures. Application of osseous resective surgery for alveolar reshaping is referred to here as "surgical periodontics for accelerated orthodontics". A parallel randomized clinical trial was designed to evaluate the clinical outcome of class 2 division 1 malocclusion with skeletal discrepancy using pre-orthodontic surgical procedures, comparing periodontally accelerated osteogenic orthodontics with surgical periodontics for accelerated orthodontics.Methods: Twenty-four adult orthodontics patients selected for this study were randomly divided into 2 equal groups. One group was treated with periodontally accelerated osteogenic orthodontics with augmentation grafting and the other was with surgical periodontics for accelerated orthodontics. These procedures were followed by fixed orthodontics treatment. Comparative evaluation of alveolar bone thickness was done by cone beam computed tomogram for both the groups.Results: The cephalometric parameters, A point nasion B point (ANB) angle and over jet of these subjects before and after the surgical interventions at three, six and twelve month’s intervals were compared to the base values, showing changes within 3 months when treated with surgical periodontics for accelerated orthodontics and within 6 months when treated with periodontally accelerated osteogenic orthodontics, without significant change in periodontal supporting alveolar bone thickness.Conclusions: Surgical periodontics for accelerated orthodontics and periodontally accelerated osteogenic orthodontics are effective pre-orthodontics surgical procedures for accelerating orthodontic treatment, without bringing any change in periodontal alveolar bone thickness.
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