This report presents a case of a completely intrusive luxation of an immature permanent central incisor in a 7 years 9 months-old girl. Because there are severe intrusive trauma and cortical alveolar bone fracture, it was impossible to reposition with orthodontic or surgical method alone. The intruded tooth was repositioned to healthy alveolar bone level by using surgical extrusion and stabiliz...

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...

The aim of this case report was to introduce an appliance for correcting severe rotation of anterior teeth in the mixed dentition period. A 9-year-old Iranian boy with a mixed dentition Class I malocclusion complained of a severely rotated of upper right central incisor. There was a mesiodens between the central incisors. The supernumerary tooth was first extracted and then a Whip appliance whi...

PURPOSE The relationship between unhealthy body mass index (BMI) and adherence to orthodontic treatment with removable appliances has not previously been evaluated. OBJECTIVE The aim of this study was to quantify the association between BMI and wear time of removable orthodontic appliances and to evaluate BMI changes during orthodontic treatment. PATIENTS AND METHODS Fifty-three normal-weig...

BACKGROUND The sense of smell is very influential in the taste of foods. If the smell pleases us, we anticipate the taste of the food with a great deal of relish. If our sense of smell is impaired, so is our taste. The effect of appliance on taste perceptions has always had a controversial subject. MATERIALS AND METHODS The present study was designed to analyze the change in taste perception ...

Fifty-two patients (35 female, 17 male) completed questionnaires related to their experiences during the first 7 days of appliance wear (31 fixed, 21 removable) and then after 14 and 90 days. Most problems relating to discomfort and pain resolved within 4-7 days. The problems encountered with fixed appliances were generally more severe than with removable appliances. Swallowing and speech were ...

an ideal orthodontic force system should exert continuous light force. thus, many efforts have been made to improve the memory characteristics of elastomeric chains. the aim of this study was to compare elastomeric chains (ecs) claimed by their manufacturers to offer high memory with traditional ones according to their force-extension diagrams.in this in-vitro study, ecs were divided into six g...

AIM The objective of this paper is to show an alternative use of an Essix based appliance in the treatment of anterior single-tooth crossbite malocclusion in a patient with Nickel allergy. MATERIALS AND METHODS Anterior crossbite malocclusion of one or more teeth, without posterior crossbite association, is a relatively frequent condition both in the mixed and the permanent dentition. This ki...

Clear aligners, as a transparent and removable appliance, offer an alternative to conventional fixed appliance patients with high demands for esthetics comfort. Only few investigations have focused on the efficacy of clear aligner therapy in controlling orthodontic tooth movement. Furthermore, stability after treatment has not been thoroughly investigated. The purpose this chapter was update kn...