نتایج جستجو برای: functional orthodontic appliances
تعداد نتایج: 605849 فیلتر نتایج به سال:
Background and Aims: All metal components of orthodontic appliances are somewhat corroded in the oral environment due to some changes in chemical, mechanical, thermal, microbiological and enzymatic factors which facilitates ion release. Ionic release can result in a discoloration of the surrounding soft tissue or allergic reactions in sensitive patients or even local pain in the area. In genera...
The study maps out orthodontic care in Finnish municipal health centres in 2001, describes changes during the previous ten years reported by chief dental officers, and assesses the views of orthodontists on current public orthodontic services. The data were collected by questionnaires sent to all health centres and all orthodontists in Finland. Of all 0-18-year-olds, 11% were receiving orthodon...
Objective: The study was conducted to find out the correlation if any between the duration of wearing orthodontic appliances and the intensity of transient bacteremia. Materials and methods: Study has been carried out on 50 subjects (21 males and 29 females), age ranging from 11 to 21 years, categorized in the separate groups with 25 subjects in each group of fixed (E1) and active removable app...
Aim: To determine the prevalence and the hygiene methods used by 6-16-year-old private school children and adolescents to clean removable orthodontic appliances (ROA) in the city of Pelotas, RS, Brazil. Methods: A cross-sectional study was conducted in private schools located in the urban area after the school tutors signed an informed consent form. Questionnaires were applied to children using...
Placement of fixed appliances is still unfortunately linked with a high risk of developing white spot lesions, in spite of advances in orthodontic materials and treatment techniques [1,2]. During orthodontic treatment, plaque accumulation is frequently inevitable around the brackets because of inadequate oral hygiene which is very common in pubertal people [2]. Dental plaque is a biofilm produc...
BACKGROUND Orthodontic therapy has oral ecological changes causing increased numbers of mutans streptococci in saliva and plaque. The purpose of this study was to estimate counts and colonization pattern of Streptococcus mutans after application of fixed orthodontic appliances. MATERIALS AND METHODS Plaque samples of randomly selected sixty patients were collected before placement of orthodon...
Purpose. As documented in the literature, bony defects can be managed by an orthodontic approach. Methods. This case report describes the treatment of a bony defect caused by orthodontic malposition through phase I periodontal therapy and a simple removable orthodontic appliance used for the first time in a 20-year-old girl. Results. The periodontal pocket was reduced from 8 mm to 3 mm shortly ...
INTRODUCTION The effect of fixed orthodontic appliances on biochemical changes in saliva and pathophysiological status of the oral cavity is not clear. Recent data showed that nickel (Ni) released from orthodontic appliances can decrease cellular viability, induce DNA damage and apoptosis in oral mucosa cells. Since the mechanism of these Ni effects is unknown, the aim of our study was to analy...
OBJECTIVE To assess parents' and caregivers' view of the first twelve months of adolescents' orthodontic treatment with fixed appliances and to assess the evaluative properties of the Brazilian version of the Parental-Caregiver Perceptions Questionnaire (P-CPQ) in the orthodontic setting. METHODS Data from a sample of 96 parents and caregivers of adolescents undergoing orthodontic treatment w...
It is a commonly held misconception among Irish dentists that only minor malocclusions can be treated with lingual appliances. This article demonstrates the use of contemporary completely customised lingual orthodontic appliances to treat a diverse range of malocclusions, to a satisfactory level, and thereby may disabuse clinicians of the belief that only minor malocclusions can be treated with...
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