Mini-implant and Nance button for initial retraction of maxillary canines: A prospective study in cast models
نویسندگان
چکیده
Results: All measurements were pooled and submitted to statistical analysis. In order to verify the inter-examiner systematic error a paired t-test was performed. Dahlberg ’s formula was used to estimate the casual error. For comparison purposes between Before and After stages, a paired t-test was done. For the comparison between mini-implant and Nance button groups, a Student t-test was applied. All tests adopted a 5% (p<0.05) significance level.
منابع مشابه
Comparison of anchorage capacity between implant and headgear during anterior segment retraction.
OBJECTIVE To compare the anchorage effects of the implants and the headgear for patients with anterior teeth retraction in terms of incisor retraction, anchorage loss, inclination of maxillary incisors, positional change of maxillary basal bone, and treatment duration. MATERIALS AND METHODS An electronic search for relative randomized controlled trials (RCTs) prospective and retrospective con...
متن کاملMaxillary canine retraction with self-ligating and conventional brackets.
OBJECTIVE To measure space closure during the retraction of upper permanent canines with self-ligating and conventional brackets. MATERIALS AND METHODS Fifteen patients who required maxillary canine retraction into first premolar extraction sites as part of their orthodontic treatment completed this study. In a random split-mouth design, the retraction of upper canines was performed using an ...
متن کاملEvaluating the effects of consolidation on intrusion and retraction using temporary anchorage devices—a FEM study
BACKGROUND Extraction of premolars and retracting the anterior teeth using mini-implants and anterior retraction hooks became advent now a day. In such treatments, consolidation of arches is not done in regular practice. So, the present study is concentrated on effects of consolidation in two implant and three implant combinations of retraction and intrusion. METHODS A three-dimensional FEM m...
متن کاملQuantification of intrusive/retraction force and moment generated during en-masse retraction of maxillary anterior teeth using mini-implants: A conceptual approach
OBJECTIVE The aim of the present study was to clarify the biomechanics of en-masse retraction of the upper anterior teeth and attempt to quantify the different forces and moments generated using mini-implants and to calculate the amount of applied force optimal for en-masse intrusion and retraction using mini-implants. METHODS The optimum force required for en-masse intrusion and retraction c...
متن کاملComparison of maxillary canine retraction with sliding mechanics and a retraction spring: a three-dimensional analysis based on a midpalatal orthodontic implant.
The purpose of this study was to compare maxillary canine retraction with sliding mechanics and a Ricketts canine retraction spring, using a midpalatal orthodontic implant as a measuring reference. Eight patients (three males and five females) were examined. Because maximum posterior anchorage was required in all subjects, osseointegrated midpalatal implants were used. To examine tooth movement...
متن کامل