statement of the problem: fixed orthodontic appliances predispose patients to dental caries. use of mouthrinses has been introduced as the effective way for reducing dental plaque accumulation. purpose: the aim of this study was to compare the effects of persicamouthwash and chlorhexidine (chx) on colonization of streptococcus mutans ( s. mutans ) on fixed orthodontic o-rings. materials and met...

PURPOSE Anthranilic acid is an important, the aromatic intermediate in the degradation of tryptophan in kynurenine pathway. This compound plays an important role in the regulation of immunological processes as well shows antibacterial activity. The aim of our study was to estimate the concentration of anthranilic acid in saliva of young patients with orthodontic apparatus. We also assessed corr...

INTRODUCTION In this study, we evaluated the effects of orthodontic appliances and an extracted maxillary first premolar on the esthetic evaluation of a smiling face according to the perceptions of orthodontists and laypeople. METHODS Standardized oblique photographs of a young woman with a pleasing smile were taken. The photos were edited by using digital imaging software to produce 10 combi...

Fixed vestibular appliances decrease the "self-cleansing" action of saliva and promote aggregation of dental plaque by disturbing the salivary flow field on tooth surfaces, leading to a higher prevalence of enamel demineralization and periodontal diseases. In the current study, we investigated the salivary dynamic characteristics of plaque retention and periodontal status around appliances duri...

One of the commonest problems of patients undergoing orthodontic treatment with fixed appliances is the development of enamel demineralization. In the study of Gorelick et al. (1982) 1 50% of the patients undergoing orthodontic treatment with fixed appliances developed white spot lesions compared to 25% of the non-orthodontic patients. These initial lesions can be visible as soon as the fourth ...

Using PAR index / Peer Assessment Rating Index / effectiveness of orthodontic treatment was assessed in the group of patients treated with fixed and removable appliances. The group consisted of 83 patients after the end of the active phase of treatment. 34 patients were treated with removable appliances and 49 patients were treated with fixed appliances. Patients came from three orthodontic wor...

Traditionally oral appliances i.e. removable orthodontic appliances, bite splints and snoring / sleep apnea appliances are made with alginate impressions and wax registrations. Our aim was to describe the process of manufacturing customized oral appliances with a new technique i.e. rapid tooling method. The appliance should ideally be custom made to match the teeth. An orthodontic patient, sche...

The purpose of this literature review was to screen the valuable published articles regarding to the impacts of mini-implants on orthodontic science, briefly. The searching category was performed on the Pubmed using MeSH words such as "dental (mini) implants, orthodontic anchorage procedures, and orthodontic appliances." After preliminary sketch, they were grouped as follow: Those evaluating (a...

Objective: To evaluate the esthetic perception of different appliances by Brazilian lay adults and its influence in the attributed value of orthodontic treatment, considering evaluators’ socioeconomic status, age and gender. Methods: Eight different combinations of orthodontic appliances and clear tray aligners were placed in a consenting adult with pleasing smile. Standardized frontal photogra...