نتایج جستجو برای: prognathism

تعداد نتایج: 533  

ژورنال: مجله دندانپزشکی 1998
روانمهر, حسین , کاشانی, کتایون ,

Facial prognathism, which is a problem in some orthodontic patients, is characterized by a number of cephalometric changes. Most clinicians use SNA angle in lateral cephalometric analysis to evaluate the amount of maxillary prognathism. Since SNA angle is not a reliable measurement for maxillary prognathism, and taking into account that the amount of prognathism changes in relation to cranial a...

2016
Myong-Hwan Karm Seong In Chi Jimin Kim Hyun Jeong Kim Kwang-Suk Seo Jae-Hyon Bahk Chang-Joo Park

BACKGROUND Failure to maintain a patent airway can result in brain damage or death. In patients with mandibular prognathism or retrognathism, intubation is generally thought to be difficult. We determined the degree of difficulty of airway management in patients with mandibular deformity using anatomic criteria to define and grade difficulty of endotracheal intubation with direct laryngoscopy. ...

Journal: :Vojnosanitetski Pregled 2023

Background/Aim. Mandibular prognathism, as one of the more severe forms dentofacial deformities, impairs oral functions and appearance patient?s face represents a psychosocial handicap with negative impact on quality life (QoL). The aim study was to assess orthodontic-surgical (OS) treatment QoL patients mandibular prognathism. Methods. involved 40 (19 men 21 women, mean age 24.1 ? 4.1 years) w...

2010
Qin Li Feng Zhang Xin Li Fengshan Chen

BACKGROUND It is well known that genetic components play an important role in the etiology of mandibular prognathism, but few susceptibility loci have been mapped. METHODOLOGY In order to identify linkage regions for mandibular prognathism, we analyzed two Chinese pedigrees with 6,090 genome-wide single-nucleotide polymorphism (SNP) markers from Illumina Linkage-12 DNA Analysis Kit (average s...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2012
Maria Tassopoulou-Fishell Kathleen Deeley Erica M Harvey James Sciote Alexandre R Vieira

INTRODUCTION Several candidate loci have been suggested as influencing mandibular prognathism (1p22.1, 1p22.2, 1p36, 3q26.2, 5p13-p12, 6q25, 11q22.2-q22.3, 12q23, 12q13.13, and 19p13.2). The goal of this study was to replicate these results in a well-characterized homogeneous sample set. METHODS Thirty-three single nucleotide polymorphisms spanning all candidate regions were studied in 44 pro...

2014
Heidi Signer-Hasler Markus Neuditschko Christoph Koch Sylvie Froidevaux Christine Flury Dominik Burger Tosso Leeb Stefan Rieder

Hereditary variations in head morphology and head malformations are known in many species. The most common variation encountered in horses is maxillary prognathism. Prognathism and brachygnathism are syndromes of the upper and lower jaw, respectively. The resulting malocclusion can negatively affect teeth wear, and is considered a non-desirable trait in breeding programs. We performed a case-co...

2014
Sihui Chen Ying Cai Fengshan Chen

INTRODUCTION To compare the lip closing force of patients with mandibular prognathism to that of patients without dentofacial anomalies. METHODS The subject group included 62 female patients of Class III relationship with mandibular prognathism. The control group been comprised of 71 patients of Class I relationships without skeletal deformities. Maximum lip closing force and average lip clos...

Journal: :Vojnosanitetski pregled 2014
Cutović Tatjana Nebojsa Jović Ruzica Kozomara Julija Radojicić Mirjana Janosević Irena Mladenović Stevo Matijević

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...

2017

Causation of a disease and a symptom generally is classified as genetic inheritance and environmental factors. A disease caused by a single gene disorder is defined as a disease that is attributed to a monogenic factor. A single gene disorder has been reported in more than 3,000 hereditary diseases. On the other hand, a polygenic or multifactorial disease is attributed to some susceptibility ge...

2011
Suk-Ja Yoon Rui-Feng Wang Hyeon-Shik Hwang Byung-Cheol Kang Jae-Seo Lee Juan Martin Palomo

PURPOSE The purpose of this study was to compare asymmetric mandibular prognathism individuals with symmetric mandibular prognathism individuals using a new alternate spherical coordinate system. MATERIALS AND METHODS This study consisted of 47 computed tomographic images of patients with mandibular prognathism. The patients were classified into symmetric and asymmetric groups. Mandibular and...

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