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Validity of the peer assessment rating (PAR) index utilizing serial study models of untreated subjects a thesis submitted in partial fulfillment ... of the requirements for Certificate in Orthodontics ... /Walker, David E. January 1998 (has links)
Thesis (M.S.)--University of Michigan, 1998. / Includes bibliographical references.
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Assessment of tooth movement in the maxilla during orthodontic treatment using digital recording of orthodontic study model surface contoursHarris, Angela Manbre Poulter January 2006 (has links)
Philosophiae Doctor - PhD / The aim of this project was to measure changes in dimension of the first three primary rugae and to evaluate tooth movement in the maxilla during orthodontic treatment in patients treated with and without premolar extractions. / South Africa
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Interceptive orthodontics : the evidence, current general dental practice, and way forwards in the UKBorrie, Felicity Ruth Peters January 2013 (has links)
Aim This thesis has several aims;• to explore the available evidence surrounding interceptive orthodontics (IO), • to explore current general dental practice with regard to the provision of interceptive orthodontic care, and• to consider the way forward in the UK for providing simple interceptive orthodontic care for children in primary care. Methods Systematic reviews were conducted in areas where there had previously been no high quality reviews; interventions for the cessation of non-nutritive sucking habits (NNSH) in children, and correction of anterior crossbites in children. Semi-structured interviews were performed, transcribed, and thematic analysis performed, helping to develop a questionnaire. Following development, the questionnaire was posted to 400 General Dental Practitioners (GDPs) across Scotland. The results were analysed, and potential barriers to providing care were identified. A cost analysis was performed, using some of the data from the questionnaire to calculate the current cost to the NHS of managing children with persistent digit sucking habits. A sensitivity analysis was constructed to predict if a saving could be made to the NHS, if there was a change in clinical practice in primary care. Finally, a protocol for an interventional study was developed using the results from some of this work, to increase the provision of IO in primary care. Results The systematic review of interventions for NNSH identified 183 initial papers, which after checking for relevance and quality, were reduced to a final six RCTs which were included in the final review. The results suggested that a fixed habit breaker was the most effective intervention for digit suckers. The systematic review of correction of anterior crossbites in children identified 499 papers, which after checking for relevance and quality, were reduced to a final 46 studies which were included in the final review. The results suggested that anterior crossbites were best managed with a fixed “2 x 4” appliance. The interviews suggested confidence, and previous experience may play a role in determining whether a GDP will provide IO. The questionnaire highlighted that confidence, knowledge, and age could all be barriers to providing care, and these were the focus for the design of the intervention study. The cost analysis demonstrated that a potential saving of approximately £20,000 to NHS Tayside could be made by changing current practice from provision of a URA to a fixed habit breaker. If this change was implemented across Scotland this saving could increase to over £1,000,000. Larger savings could be made if less monitoring of the habit and more provision of fixed habit breakers was implemented (over £60,000 in NHS Tayside). Conclusions The systematic reviews highlighted the need for high quality studies in their subject areas. The cost analysis demonstrates the range in savings that could be made to the NHS depending on the changes made to current GDP practice. The interviews and questionnaire demonstrated there is scope to improve the provision of IO in primary care. The biggest barrier to providing IO appears to be confidence, specific to designing treatment plans, and how effectively the plan can be carried out for the patient. It is intended that the proposed investigation, outlined at the end of this thesis, to increase GDPs provision of IO, will be conducted. If the intervention proves successful, it could be rolled out across the UK, changing current clinical practice.
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Provision and timing of interceptive orthodontic treatment by certified orthodontists and pediatric dentists in Canada.Lo, Eileen 24 June 2010 (has links)
Introduction: The ideal timing to initiate orthodontic treatment is an important, yet controversial issue. The purpose of this study was to investigate the provision of orthodontic care for 7 types of skeletal dysplasia by paediatric dentists and orthodontists in Canada. Methods: A questionnaire was distributed to randomly selected orthodontists (N=140) and paediatric dentists (N=132) throughout Canada. Surveys returned within 8 weeks were included for c2 statistical analysis. Results: The response rate was 59% for orthodontists and 54% for pediatric dentists. Orthodontists and pediatric dentists differed significantly in the timing of their first orthodontic consultation (p < 0.01). More pediatric dentists used to the dental age to determine the appropriate time to initiate treatment (p < 0.01), whereas more orthodontists relied on the pubertal indicators (p < 0.01). More orthodontists would intervene in the early mixed dentition for moderate mandibular prognathia (p < 0.01); mid-mixed dentition for severe mandibular retrognathia (p < 0.01), late mixed dentition for moderate mandibular retrognathia (p < 0.01) and permanent dentition for skeletal openbite and severe mandibular prognathia (p < 0.01). Most pediatric dentists would intervene in the early and mid-mixed dentition for the specified cases of skeletal malocclusions (p < 0.05). Conclusions: The results of this investigation indicate both consistencies and variation between orthodontic and paediatric practitioners with regard to preference in treatment timing, and the factors that influence these decisions.
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Provision and timing of interceptive orthodontic treatment by certified orthodontists and pediatric dentists in Canada.Lo, Eileen 24 June 2010 (has links)
Introduction: The ideal timing to initiate orthodontic treatment is an important, yet controversial issue. The purpose of this study was to investigate the provision of orthodontic care for 7 types of skeletal dysplasia by paediatric dentists and orthodontists in Canada. Methods: A questionnaire was distributed to randomly selected orthodontists (N=140) and paediatric dentists (N=132) throughout Canada. Surveys returned within 8 weeks were included for c2 statistical analysis. Results: The response rate was 59% for orthodontists and 54% for pediatric dentists. Orthodontists and pediatric dentists differed significantly in the timing of their first orthodontic consultation (p < 0.01). More pediatric dentists used to the dental age to determine the appropriate time to initiate treatment (p < 0.01), whereas more orthodontists relied on the pubertal indicators (p < 0.01). More orthodontists would intervene in the early mixed dentition for moderate mandibular prognathia (p < 0.01); mid-mixed dentition for severe mandibular retrognathia (p < 0.01), late mixed dentition for moderate mandibular retrognathia (p < 0.01) and permanent dentition for skeletal openbite and severe mandibular prognathia (p < 0.01). Most pediatric dentists would intervene in the early and mid-mixed dentition for the specified cases of skeletal malocclusions (p < 0.05). Conclusions: The results of this investigation indicate both consistencies and variation between orthodontic and paediatric practitioners with regard to preference in treatment timing, and the factors that influence these decisions.
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The peer assessment rating (PAR) a long-term validation of class II malocclusions : a thesis submitted in partial fulfillment ... for the degree of Master of Science in Orthodontics ... /Hannapel, Eric D. January 2001 (has links)
Thesis (M.S.)--University of Michigan, 2001. / Includes bibliographical references.
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Development of an index for preventive and interceptive orthodontic needs (IPION) /Coetzee, Cobus Emelius. January 1999 (has links)
Thesis (MChD(Orthodontics))--Universiteit van Pretoria, 1999. / Also available online.
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Assessment of tooth movement in the maxilla during orthodontic treatment using digital recording of orthodontic study model surface contours.Harris, Angela Manbre Poulter. January 2006 (has links)
<p>The aim of this project was to measure changes in dimension of the first three primary rugae and to evaluate tooth movement in the maxilla during orthodontic treatment in patients treated with and without premolar extractions.</p>
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Assessment of tooth movement in the maxilla during orthodontic treatment using digital recording of orthodontic study model surface contours.Harris, Angela Manbre Poulter. January 2006 (has links)
<p>The aim of this project was to measure changes in dimension of the first three primary rugae and to evaluate tooth movement in the maxilla during orthodontic treatment in patients treated with and without premolar extractions.</p>
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A survey of factors related to orthodontic treatment timing a thesis submitted in partial fulfillment ... for the degree of Master of Science (Orthodontics) ... /Moricz, Claudia Federspill. January 2001 (has links)
Thesis (M.S.)--University of Michigan, 2001. / Includes bibliographical references.
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