Cephalometric evaluation of hyoid bone position and pharyngeal spaces following treatment with Twin block appliance
نویسندگان
چکیده
منابع مشابه
Retrospective study of changes in pharyngeal airway space and position of hyoid bone after mandibular setback surgery by cephalometric analysis
BACKGROUND The posterior movement of mandible was known as the main cause of the changes in the pharyngeal airway space (PAS) and the postoperative obstructive sleep apnea (OSA). The purpose of this study was to know the changes of PAS and position of hyoid bone. METHODS Lateral cephalographies of 13 patients who had undergone sagittal split ramus osteotomy (SSRO) setback surgery were taken p...
متن کاملA cephalometric comparison of treatment with the Twin-block and stainless steel crown Herbst appliances followed by fixed appliance therapy.
This study compared the effects of 2 treatment protocols for correcting Class II disharmony. The first phase of treatment consisted of functional jaw orthopedics with either the Twin-block or the stainless-steel crown Herbst appliance; the second phase consisted of comprehensive fixed-appliance therapy in both protocols. Each of the 2 samples comprised 28 consecutively treated Class II patients...
متن کاملتغییرات موقعیت استخوان هایوئید متعاقب درمان مال اکلوژن class II div1 با دستگاه فانکشنال فرمند1
Background and Aim: Unlike other bones of the head and neck, hyoid bone has no bony articulations. It is connected to mandible, cranium and pharynx through muscles and ligaments. During treatment with functional appliance in patients with class II div1 malocclusion, mandible is positioned in inferior and anterior direction. Regarding the relation between hyoid and mandibular bone, alterations o...
متن کاملPosition and Orientation of Hyoid Bone in Class II Division 1 Subjects: A Cephalometric Study
Objective: The present study was undertaken to compare the pharyngeal dimensions in Angle’s Class I normal and Angle’s Class II division 1 samples, and to correlate it with the dentoskeletal parameters in both the groups. Materials and methods: The sample consists of 92 pretreatment lateral cephalogram, which were categorized into two groups, Group A and Group B, that they should present Angle’...
متن کاملCephalometric Comparison of Position of the Hyoid Bone in Class I and Class II Patients
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...
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ژورنال
عنوان ژورنال: Journal of Orthodontic Science
سال: 2012
ISSN: 2278-0203
DOI: 10.4103/2278-0203.103863