نتایج جستجو برای: arch width

تعداد نتایج: 86959  

Journal: :novelty in biomedicine 0
abdol hamid zafarmand associate prof, dept of orthodontics, shahid beheshti univ. med sciences, school of dentistry morteza mina department of orthodontics, shahid beheshti university of medical sciences school of dentistry, tehran, iran mahdi zafarmand department of orthodontics, shahid beheshti university of medical sciences school of dentistry, tehran, iran

background: the purpose of this study was to assess the dental arch dimensions in primary dentition of 3-5 years old filipino children and determining the existence of sexual dimorphism. m aterials and methods: in this descriptive study, 60 filipino preschool children aged 3-5 years old were selected from manila city. study casts were used for measurements of 3 arch dimensions: bicanine width, ...

Dorriz, Hasan, Mohammadi, Abolghasem,

The relationship between corresponding upper buccal cusp distance (IBD) and Gothic arch width, inter - condylar width (ICW) and inter-upper canine distance (ICD) in an Iranian population Dr. H. Dorriz* - Dr. A. Mohammadi** *- Assistant Professor of Prosthodontics Dept. – Faculty of Dentistry – Tehran University of Medical Sciences. **- Resident of Prosthodontics Dept. – Faculty of Dentistry – M...

2015
Fazal Shahid Mohammad Khursheed Alam Mohd Fadhli Khamis

OBJECTIVE To investigate the maxillary and mandibular anterior crown width/height ratio and its relation to various arch perimeters, arch length, and arch width (intercanine, interpremolar, and intermolar) groups. MATERIALS AND METHODS The calculated sample size was 128 subjects. The crown width/height, arch length, arch perimeter, and arch width of the maxilla and mandible were obtained via ...

Journal: :journal of dentistry, tehran university of medical sciences 0
atefe saffar shahroudi assistant professor, dental research center, tehran university of medical sciences, department of orthodontics, school of dentistry, lorestan university of medical sciences, khoram-abad, iran. tahura etezadi assistant professor, dental research center, tehran university of medical sciences, department of orthodontics, school of dentistry, lorestan university of medical sciences, khoram-abad, iran.

dental arch form is one of the most important characteristics of dentition. however, this dimension usually receives less attention in diagnosis or treatment planning and orthodontic patients are traditionally classified with regard to their sagittal characteristics. the objectives of this study were to investigate if a relationship exists between the dental arch width (transverse dimension) an...

Journal: :مهندسی عمران فردوسی 0
علی احمدی سیداحسان سیدی حسینی نیا

this paper discusses the arching effect as the formation of a stable arch in granular materials. for this aim, a developed trapdoor apparatus is designed in order to investigate the arch dimensions in term of the internal friction angle, average size and base angle of materials. observations show that for all tested granular ensembles, width and height of the arch increase with an increase in t...

Journal: :journal of dentistry, tehran university of medical sciences 0
alireza nikkerdar orthodontist, private practice, tehran, iran.

intra-oral appliances such as transpalatal arch and nance appliance fail to resist against forces that tend to loosen the anchorage. the infirmity arises due to the long lever arm and the mesial force that is perpendicular to the long axis of the appliance. the butterfly arch is presented here as an intra-oral appliance that withstands the mesially directed forces with a mechanism that puts str...

Journal: :journal of dentistry, shiraz university of medical sciences 0
zohreh hedayati orthodontic research center, dept. of orthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran. farnaz fakhri postgraduate student, orthodontic research center, school of dentistry, shiraz university of medical sciences, shiraz, iran. vahid moshkel gosha orthodontic research center, dept. of orthodontics, school of dentistry, shiraz university of medical sciences, shiraz, iran.

statement of the problem: the stability of orthodontic treatment depends on preserving the patient’s pretreatment arch form and arch size during and after treatment. purpose: this investigation was aimed to study the size and shape of iranian mandibular dental arch and evaluate the correlation of their average dental arch with commercially available preformed rectangular nickel-titanium arch wi...

Journal: :The Malaysian journal of medical sciences : MJMS 2005
Khin Myo Thu Than Winn Nizam Abdullah J A P Jayasinghe G L Chandima

The objectives of this study were to estimate the maxillary arch measurements, to assess the validity of Pont's & Korkhaus' Indices; to determine the relationship between maxillary arch form with head form; and to estimate the cephalic index (CI) of the study population. A cross-sectional study was conducted on 85 mature Malay students, 28 male students (32.98%), 57 females (67.02%) attending T...

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 2006
Shin-Jae Lee Tae-Woo Kim Dong-Seok Nahm

INTRODUCTION Maxillary premolars are often extracted to resolve incisor proclination in presurgical orthodontic treatment for severe skeletal Class III patients. The aim of this article was to compare arch-width changes and orthodontic tooth movements between maxillary premolar extraction and nonextraction modalities, and to provide an additional indication for presurgical maxillary premolar ex...

2013
Atefe Saffar Shahroudi Tahura Etezadi

OBJECTIVE Dental arch form is one of the most important characteristics of dentition. However, this dimension usually receives less attention in diagnosis or treatment planning and orthodontic patients are traditionally classified with regard to their sagittal characteristics. The objectives of this study were to investigate if a relationship exists between the dental arch width (transverse dim...

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