During the course of treatment orthodontic patients frequently endure a number of functional complaints and are anxious about their appearance. The aims of this longitudinal study were to follow the progress of patients' adaptation to discomfort, to elucidate the putative relationship between the type of appliance worn and functional and social discomfort experienced, to study potential predictability by their attitude to treatment and to evaluate the effects of discomfort as predictors of patients' compliance. Eighty-four patients undergoing either removable, functional, or fixed appliance treatment monitored their complaints during the first 7 days of treatment and rated them retrospectively 14 days, and 3 and 6 months after appliance insertion. The most frequent complaints were impaired speech, impaired swallowing, feeling of oral constraint and lack of confidence in public. A significant reduction in the number of complaints was observed between 2 and 7 days after insertion of the appliance. No further differences were revealed after longer periods of appliance wear. The type of appliance had an effect on impaired speech and swallowing. Patients' expectations of favourable treatment performance and appreciation of dental aesthetics were predictive of reported feeling of oral constraint and lack of confidence in public. There was a relationship between the complaints and acceptance of the appliance, as well as between lack of confidence in public and compliance with treatment. The results of this study highlight the importance of patients' attitudes to treatment and of functional and social discomfort associated with appliance wear for the theory and practice of the management of orthodontic patients, and the necessity for early intervention by clinicians.
Patients' acceptance of an orthodontic appliance may influence compliance and thus contribute to a successful outcome of treatment. The aim of this study was to assess the influence of shape and design of different types of functional appliances on their acceptance by patients. For each of 10 adult volunteer subjects employed in the study eight different functional appliances were fabricated which had a varying extension of the resin base and amount of interocclusal opening. Effects of appliances on speech, initial acceptance, and acceptance after wearing were assessed by means of standardized tests. Amongst the appliances tested the bionator, functional corrector FR-I and elastic open activator showed the highest acceptance by the test subjects. The results of the study indicate that there is a considerable difference in acceptance of various types of functional appliances.
Orthodontic treatment is occasionally a discomfort to patients, due to pain or functional restrictions. In this context, several retrospectively planned studies were performed in the 1980s, but correlations between different aspects of patient discomfort were not investigated. The present study aimed at examining and structuring the psychogenic dimensions of patient discomfort. Furthermore, the impact of the patient's attitude on the intensity of discomfort was to be evaluated in addition to the influences of appliance therapy. The study was performed with 67 patients aged from 9 to 32 years. Prior to insertion of a new appliance, psychogenic scales reflecting their attitude towards orthodontic therapy were submitted to them. They were instructed to keep a discomfort log during the first 7 days after insertion. After 6 months they were given lists for retrospective assessment of discomfort and an appliance-acceptance scale to be filled in. At the same time, the respective orthodontist assessed his patient's compliance on a cooperation scale. The factor analysis revealed 3 levels of patient discomfort: feelings of tension, functional restrictions and aversion to wearing an orthodontic appliance in public. Appliance acceptance after 6 months could be predicted from the attitude towards treatment and the experienced discomfort. Patient compliance also correlated with these factors, so that causal flow diagrams of the investigated variables could be produced. Giving detailed information on any discomfort occurring and explaining how to reduce or eliminate it are vital factors in good treatment cooperation.
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