نتایج جستجو برای: orthodontic treatment
تعداد نتایج: 1402131 فیلتر نتایج به سال:
This study evaluated the effect of heat treatment on CrNi stainless steel orthodontic archwires. Half of forty archwires of each thickness - 0.014" (0.35 mm), 0.016" (0.40 mm), 0.018" (0.45 mm) and 0.020" (0.50 mm) (totalling 160 archwires) - were subjected to heat treatment while the remainder were not. All of the archwires had their individual thickness measured in the anterior and posterior ...
Introduction: IOTN index (Index of Orthodontic Treatment Need) is an appropriate tool for measuring the need for orthodontic treatment in the community and has many applications, including planning, sharing resources and improving standards therapeutic. This study was aimed to determine the IOTN of dental students in Alborz University of Medical Sciences in 2018. Materials and Methods: In this ...
BACKGROUND AND AIM: Estimation of need and demand for orthodontic treatment is important for both health professionals and health policymakers. Need assessment is traditionally done using experts’ opinions; however, patient-centered evaluation can provide a bigger picture of patient’s esthetic and psychological needs. The willingness to pay (WTP) technique is a potentially valid tool for assess...
objectives : the present study was designed to evaluate the changes in saliva properties and oral microbial flora in patients undergoing fixed orthodontic treatment. materials and methods: two important saliva properties namely the salivary flow rate and ph as well as oral microbial flora were assessed in 30 orthodontic patients before starting fixed orthodontic treatment and after six, 12 and ...
The purpose of this article was reviewing the literature related to the mutual effects of endodontics and orthodontics on each other providing documented information that can be used by dentists in clinical practice. The effect of orthodontic treatment on the dental pulp and its role in root resorption, the influence of previous trauma to the tooth and endodontic treatment in orthodontic tooth ...
Background & Objectives: Orthodontic treatment need and demand in 12-year-olds in Abadeh city has not previously been analysed in relation to geographic origin. The purpose of this study was to assess the12 year old students need and demand for orthodontic treatment. Methods: Four hundred seventeen 12-year-old students was selected from public and private schools in Abade (Fars province, Ir...
Background and purpose: Malocclusion is the most prevalent dental anomaly that influences the function of affected people. As a common orthodontic index, the Index of Orthodontic Treatment Needs (IOTN) classifies the malocclusions according to occlusal indexes of an individual. This research aimed at evaluating the need for orthodontic treatment in students aged 12-14 years old in Sari using IO...
BACKGROUND The purpose of this study was to determine prevalence of malocclusions, normative and perceived orthodontic treatment need and related risk factors in schoolchildren in Italy. DESIGN A random sample of 1000 11-15 years old children was selected from randomly selected schools in Catanzaro (Italy). Parents completed a questionnaire on sociodemographic, orthodontic history and percept...
Background and Aim : One of the concerns about orthodontic treatment is the external apical root resorption(EARR).Therefore, the aim of this study was to compare the rate of EARR in posterior permanent endodontically treated and vital teeth after orthodontic treatment. Materials and methods: This observational and retrospective study was performed on 112 roots in 28 patients in the age range o...
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