نتایج جستجو برای: retrognathism
تعداد نتایج: 203 فیلتر نتایج به سال:
BACKGROUND/AIM The middle part of the face, that is the maxilla, has always been mentioned as a possible etiologic factor of skeletal Class III. However, the importance of the relationship of maxillary retroposition towards the cranial base is still unclear, although it has been examined many times. The aim of this study was to conduct cephalometric analysis of the morphology of maxilla, includ...
BACKGROUND The most frequently performed osteotomy for correction of mandibular retrognathia is a bilateral sagittal split ramus osteotomy. Permanent neurosensory disturbance of the inferior alveolar nerve is one of the most frequently and severe complications. Many authors have reported this, but the incidence differs widely. In the recent literature, only four authors have reported a percenta...
BACKGROUND The temporomandibular joint (TMJ) may be affected unilaterally or bilaterally in the course of juvenile idiopathic arthritis (JIA). Permanent complications involve joint damage or stiffness and disorders in the development of the mandible, such as micrognathia, posterior rotation of the mandible, crowding and protrusion of the front teeth and malocclusion. OBJECTIVES The aim of the...
INTRODUCTION In preorthodontic children with Class II malocclusion and horizontal maxillary overjet, cervical column morphology was examined and related to craniofacial morphology and head posture for the first time. METHODS Two hundred thirteen children (aged 7-15 years) with a horizontal maxillary overjet of more than 6 mm were divided into 2 groups of skeletal and dentoalveolar overjets. T...
Obstructive sleep apnea and hypopnea syndrome is characterized by repeated airway collapse during sleep. The literature describes multiple causes of the disease. The main cause is a reduction of the expansion forces of the pharyngeal dilator muscles, as in situations of genioglossal muscle dysfunction, and discoordination between the inspiratory activity of the muscle and respiratory effort, wh...
and progressive condyle resorption. For example, mandible advancement surgery aimed simply at esthetic improvement can cause serious complications due to progressive condyle resorption in mandible retrognathism patients with symptoms of osteoarthritis or idiopathic condylar resorption 4-6. Without a concept of the TMJ anatomy and functions, inserting botulinum toxin and/or filler recklessly int...
INTRODUCTION The aim of this study was to compare the short-term dental and skeletal effects of a face mask (FM) with those of skeletal anchorage (SA) therapy with intermaxillary elastics in prepubertal patients with skeletal Class III malocclusion. METHODS Fifty patients with skeletal Class III malocclusion and maxillary deficiency were divided into two groups. In the FM group, an FM was app...
Two brothers are described with a similar physical appearance characterised by minor periorbital anomalies, malar flatness, a maxillary overbite, retrognathia, sloping shoulders, joint hyperextensibility, and minor radiological anomalies. In addition, they had a slowly progressing night blindness, myopia, and extinguished electroretinograms. The mother had mild expression of some of the physica...
STUDY OBJECTIVE Our objective was to determine whether baseline polysomnography, cephalometry, and anthropometry data could predict uvulopalatopharyngoplasty (UPPP) success or failure. DESIGN We retrospectively reviewed polysomnography, cephalometry, and anthropometry data from patients who underwent UPPP for obstructive sleep apnea (OSA). SETTING A university medical center. PATIENTS OSA...
Background Maternal uniparental disomy 14 (UPD(14)mat) is an imprinting disorder. It is a rare disease, but there is the possibility that more undiagnosed patients might exist because the clinical features of UPD(14)mat resemble those of the Prader-Willi syndrome or other congenital diseases. We performed anesthetic management for an 8-year-old girl with UPD(14)mat. Case presentations She was...
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