Hamidreza Pakshir

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OBJECTIVE An increased overbite may be due to a skeletal or dental etiology that may influence treatment. The purpose of this study was to evaluate the skeletal and dentoalveolar features in patients with deep bite malocclusion in an Iranian population and to determine the most and least effective and contributory variables causing deep bite. MATERIALS(More)
440 Associate Professor, Professor, Orthodontic Research Center and Department of Orthodontics, Faculty of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran. Dentist in Private Practice, Shiraz, Iran. d Scientific Faculty Member and Lecturer, Department of Dental Morphology, Dental Branch, Islamic Azad University, Tehran, Iran. Corresponding(More)
Background and aims. This in vitro study was designed to evaluate the effect of composite resin types and orthodontic debonding pliers on the amount of adhesive remnants and enamel damages using a novel method of measurement. Materials and methods. 120 extracted human premolars were randomly divided into four groups (n = 30). The standard edgewise metallic(More)
OBJECTIVES This study aimed to compare the microleakage beneath metallic brackets following two different methods of enamel preparation and light curing. MATERIALS AND METHODS A total of 120 bovine deciduous lower incisors were randomly divided into four groups of 30 teeth. The preparations were as follows: Group I: Acid etching + Transbond XT primer +(More)
AIM To assess oral health-related quality of life (OHRQOL) and self-perceived esthetic impairment in patients seeking orthodontic treatment and to compare them with peers in the same age group who had never undergone orthodontic treatment. A correlation between OHRQOL and lower self-perceived esthetic impairment was also searched for. METHODS The sample(More)
The mandibular angle represents an important part of facial aesthetics. Mandibular osteotomy can affect the gonial angle. The aim of this study was to compare the effects of sagittal split osteotomy (SSO) and intraoral vertical ramus osteotomy (IVRO) on the gonial angle. This retrospective cohort study assessed subjects with mandibular prognathism who(More)
The uvuloglossopharyngeal dimensions (UGPDs) are assumed to be affected by thalassemia major (TM). Because thalassemia intermedia (TI) is a milder form without need for blood transfusions, this study aimed to evaluate whether the UGPDs in thalassemic patients are equally affected by the two forms. The study sample comprised 52 lateral cephalograms from(More)
INTRODUCTION Based on the literature, the ergonomic saddle chair provides the most appropriate posture for users. Determination of the seat height is critical to establish the proper posture, carried out using various methods of anthropometry. This study aimed to develop a simple and applied method for determining the saddle seat height with an emphasis on(More)
PURPOSE Patients may encounter various complications during and after orthognathic surgery. The aim of this study was to compare the prevalence of complications in various skeletal deformities to see if an association exists. MATERIALS AND METHODS This retrospective cohort study assessed patients in 2 groups. Group 1 had class III skeletal deformity and(More)
Received:25 July 2007 Accepted:28 November 2007 Abstract: Pyknodysostosis is a rare bone disease that has autosomal dominant trait. It is characterized by short stature, diffuse osteosclerosis, acro-osteolysis, finger, and nail abnormalities. Other features include open fontanelles and sutures, relative proptosis and obtuse mandibular gonial angle with(More)
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