نتایج جستجو برای: arch width
تعداد نتایج: 86959 فیلتر نتایج به سال:
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, ...
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...
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 ...
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...
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...
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...
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...
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...
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...
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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