نتایج جستجو برای: cephalometric

تعداد نتایج: 2711  

Farzin Aslani, Ladan Eslamian, Mandana Hejazi,

Several software programs have been designed for outcome prediction of orthodontic and surgical treatments. This study aimed to review the accuracy and characteristics of cephalometric software programs for outcome prediction of orthognathic surgeries. This study reviewed studies that compared cephalometric software programs in terms of accuracy and characteristics for outcome prediction of o...

Journal: :European journal of orthodontics 1998
W Geelen A Wenzel E Gotfredsen M Kruger L G Hansson

The aim of the present study was to evaluate and compare the reproducibility of cephalometric landmarks on (1) conventional films, and images acquired by storage phosphor digital radiography both on (2) hardcopy and (3) monitor-displayed versions. The material consisted of 19 cephalograms for each image modality. The phosphor plates were scanned in an image reader and the 10-bit normalized, raw...

Journal: :Revista de salud publica 2007
Salomón Yezioro Rubinsky Javier Eslava-Schmalbach

OBJECTIVE Cephalometric measures are used to evaluate vertical facial excess (VFE), however anyone of them have been validated against a gold standard to this purpose. Also, there are differences between cephalometric results and clinical evaluation. This study pretends to validate experts' clinical diagnosis test (ECDT) as gold standard for severe VFE, with the purpose of validating further ag...

Journal: :European journal of orthodontics 2016
Vasileios F Zymperdikas Vasiliki Koretsi Spyridon N Papageorgiou Moschos A Papadopoulos

OBJECTIVE To assess the treatment effects of fixed functional appliances (FFAs) in treated versus untreated Class II patients by means of lateral cephalometric radiographs. SEARCH METHODS Unrestricted electronic search of 18 databases and additional manual searches up to October 2014. SELECTION CRITERIA Prospective randomized and non-randomized controlled trials reporting on cephalometric a...

2013
Shin-Jae Lee Richard E. Donatelli

Proper statistical analysis is an absolutely essential tool for both clinicians and researchers attempting to implement evidence-based decisions. When analyzing reliability, statistical graphical representation is the best method. Other previously published error studies of 2D measurements, such as cephalometric landmarks, have inappropriately applied one-dimensional approaches, such as linearo...

Journal: :The European respiratory journal 1999
H Sakakibara M Tong K Matsushita M Hirata Y Konishi S Suetsugu

The aim of this work was to comprehensively evaluate the cephalometric features in Japanese patients with obstructive sleep apnoea (OSA) and to elucidate the relationship between cephalometric variables and severity of apnoea. Forty-eight cephalometric variables were measured in 37 healthy males and 114 male OSA patients, who were classed into 54 non-obese (body mass index (BMI) <27 kg x m(-2),...

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 2008
Guilherme Janson Marcos Janson Alexandre Nakamura Marcos Roberto de Freitas José Fernando Castanha Henriques Arnaldo Pinzan

INTRODUCTION The objectives of this investigation were to compare the initial cephalometric characteristics of complete Class II Division 1 malocclusions treated with 2 or 4 premolar extractions and to verify their influence on the occlusal success rate of these treatment protocols. METHODS A sample of 98 records from patients with complete Class II Division 1 malocclusion was divided into 2 ...

Journal: :The Journal of Nihon University School of Dentistry 1970

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