نتایج جستجو برای: زاویه anb
تعداد نتایج: 10324 فیلتر نتایج به سال:
OBJECTIVE To compare the seven methods of cephalometric analysis for assessing sagittal jaw relationship and to determine the level of agreement between them. STUDY DESIGN Cross-sectional, analytical study. PLACE AND DURATION OF STUDY Dental Section, the Aga Khan University Hospital, Karachi, from January to December 2004. METHODOLOGY Seven methods, describing anteroposterior jaw relation...
زمینه و هدف: مال اکلوژن cl ii یکی از ناهنجاری های شایع در جوامع مختلف انسانی بوده و استفاده از یک روش ساده، ارزان و قابل دسترس درمانی که بتوان آن را توسط دندانپزشک عمومی یا متخصص ارائه نمود، در پیشگیری از عوارض آتی مال اکلوژن بسیار حیاتی است. درمان ناهنجاری cl ii با استفاده از دستگاه های فانکشنال نظیر twin block و بایت پلن شیب دار در مقایسه با درمان های ارتودنسی ثابت یا ارتوسرجری؛ هزینه، عوارض ...
Background: According to the close proximity of hyoid bone with dentofacial structures and its muscular attachments, a probable relationship between it and different types of skeletal patterns is suspected. Objectives: The aim of this study is compare the position of hyoid bone in skeletal class I and class II patients. Methods: In this study 50 cephalograms were divided into two groups, skelet...
OBJECTIVE Osteoporosis has traditionally been considered a female problem. This study's purpose is to evaluate bone mineral density (BMD) in males with eating disorders. METHOD Charts of 70 consecutive males admitted to an eating disorder program were reviewed. Females admitted during the same time period were used for comparison. BMD was measured by dual-energy X-ray absorptiometry. RESULT...
OBJECTIVES To compare stability of maxillary advancements in patients with cleft lip and palate following distraction osteogenesis or orthognathic surgery. MATERIAL AND METHODS INCLUSION CRITERIA 1) cleft lip and palate, 2) advancement > 8 mm. Eleven patients comprised the distraction osteogenesis group (DOG). Seven patients comprised the orthognathic treatment group (CONVG). Skeletal and ...
Introduction: Intra-cranial references plans used in cephalometry analysis are not considered as stable points and therefore their validity is low however they are widely used. The purpose of conducting this study is to investigate correlation rate of a number of horizontal parameters of extra-cranial with common Horizontal analyses. Methods: In this descriptive and periodic study, lateral ce...
بررسی رادیوگرافیک زوایای کندیلی و گلنوئیدفوسا در ساختمانهای استخوانی مفصل گیجگاهی فکی و ارتباط آن با مال اکلوژن دکتر مهرداد پنج نوش1- دکتر الهیار گرامی2- دکتر نرجس هوشیاری31- دانشیار گروه آموزشی رادیولوژی دهان و فک و صورت دانشکده دندانپزشکی دانشگاه علوم پزشکی تهران، تهران، ایران2- عضو مرکز تحقیقات دندانپزشکی و دانشیار گروه آموزشی ارتودنسی دانشکده دندانپزشکی دانشگاه علوم پزشکی تهران، تهر...
OBJECTIVE The purpose of this study was to compare the treatment duration and dentoskeletal changes between two different anchorage systems used to treat maxillary dentoalveolar protrusion and to examine the effectiveness of en-masse retraction using two miniscrews placed in the midpalatal suture. METHODS Fifty-seven patients (9 men, 48 women), who had undergone level anchorage system treatme...
OBJECTIVE To investigate dental appearance and cephalometric features, using a sample of orthognathic and/or orthodontic patients. A special interest was to identify the relationship of the Dental Aesthetic Index (DAI) with anteroposterior basal bone discrepancy (APBBD) and cephalometric indicators. MATERIALS AND METHODS A full sample of 159 patients in two Japanese hospitals was used. Each p...
For orthodontic diagnosis and treatment planning there are various ways to assess the jaw discrepencies. Using parameters such as ANB, Wit’s appraisal, Beta, Yen, W angles, with some limitations. To overcome these, MKG angle Tau were proposed.
 Aim objective: The present study assesses predictability of its correlation previous parameter. Materials methods: A total 105 lateral cephalograms...
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