objective: corrosion resistance is among the most important properties of metal alloys used in the oral cavity. consumption of acidic foods reduces the salivary ph and intensifies the corrosion of brackets and orthodontic wires. this study aimed to compare electro galvanic corrosion of different orthodontic brackets and wires and determine the amount of ions released into acidic artificial sali...

one common negative side effect of orthodontic treatment with fixed appliances is the development of incipient caries lesions around brackets, particularly in patients with poor oral hygiene. different methods have been used to prevent demineralization such as fluoride therapy and application of sealant to prevent caries. the recent effort to improve the resistance against the demineralization ...

bonding brackets to the enamel surface has gained much popularity today. new adhesive systems have been introduced and marketed and a considerable increase in research regarding bond strength has been published. a considerable amount of these studies deal with shear bond strength of adhesives designed for orthodontic purpose. previous studies have used variety of test designs. this diversity in...

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...

introduction: the purpose of this study was to evaluate vertical facial and dental changes after orthodontic treatment with extraction of first four premolars, and to find whether long facial height could influence the treatment result. methods: fifty-six orthodontic patients with the minimum age of 15, whose treatment plan involved extracting four first premolars, participated in the study. th...

BACKGROUND Orthodontic treatment is taken as a painful procedure by most of the patients. The pain can be experienced during different procedures like separator placement, banding, bonding, extraction as well as arch wire activation and debonding. There are very few studies done on the anticipated pain and pain experienced among mentioned orthodontic procedures. OBJECTIVES To compare the anti...

The principal objective for most patients seeking orthodontic services is a detectable improvement in their dentofacial appearance. Orthodontic treatment, in the mind of the patient, is something that makes you look better, feel better about yourself, and perhaps enhances your social possibilities, ie, to find a companion or make a positive impression during a job interview. Orthodontics, as a ...

The objectives of this cross-sectional study were to assess the prevalence of malocclusion and to verify the association between normative orthodontic treatment need and certain psychosocial aspects. The sample (n = 333) was representative of the population of adolescents (10-14 years) in Belo Horizonte, Minas Gerais, Brazil. The dependent variable "normative orthodontic treatment need" was eva...

Functionality and aesthetics are key considerations in patients requesting, and orthodontists recommending, orthodontic treatment. However, patients may elect to forego orthodontic treatment due to the cost and the duration of treatment. Orthodontic treatment can be provided using removable or fixed orthodontic appliances (FOAs), and current options offer improved aesthetics compared to earlier...

PURPOSE The aim of this study was to evaluate alterations of papilla dimensions after orthodontic closure of the diastema between maxillary central incisors. METHODS Sixty patients who had a visible diastema between maxillary central incisors that had been closed by orthodontic approximation were selected for this study. Various papilla dimensions were assessed on clinical photographs and stu...