نتایج جستجو برای: maxillary central incisor
تعداد نتایج: 503263 فیلتر نتایج به سال:
Objective: To assess and evaluate the tip, torque, slot size & slot distortion of maxillary central incisor, maxillary lateral incisor & maxillary canine brackets from commercially available bracket systems (Agile Mini Brackets3M series, Mini seriesAmerican Orthodontics, Mini Gem seriesDento Smile, Fine Series Brackets Galaxy Orthodontics, Centrino Mini bracketsLibral trader, Orthox Organizers)...
Aim: To investigate the incisor wingings of the Southern Chinese and compare these with studies in different populations. Materials and Methods: The maxillary and mandibular incisor alignment in study casts of an unselected sample from a 12 year old Hong Kong Oral Health Survey of 12 year old children (n=459; 295 boys and 164 girls) were studied. Results: The prevalence of bilateral winging in ...
OBJECTIVE This study aimed to propose clinical guidelines for placing miniscrew implants using the results obtained from 3-dimensional analysis of maxillary anterior interdental alveolar bone by cone-beam computed tomography (CBCT). METHODS By using CBCT data from 52 adult patients (17 men and 35 women; mean age, 27.9 years), alveolar bone were measured in 3 regions: between the maxillary cen...
A 10-year old Egyptian male presented with a geminated upper right central incisor along with a fused and rotated upper left central incisor in cross bite. He also had severe crowding in the maxillary arch and a congenitally missing lower right first permanent premolar. Orthodontic treatment was carried out to align upper right and left central incisors, lateral incisors, and canines. Treatment...
This research intended to examine the morphometric relationship between the face and inverted maxillary central incisor in Malays and Chinese. 120 volunteers who met defined criteria participated in the study. Measurements were made directly and on digital images of each subject’s frontal facial view and the corresponding stone cast of the maxillary teeth. An image analyzer was used to divide t...
Solitary median maxillary central incisor syndrome (SMMCI) is a complex disorder consisting of multiple, mainly midline defects of development resulting from unknown factor(s) operating in utero about the 35th-38th day(s) from conception. It is estimated to occur in 1:50,000 live births. Aetiology is uncertain. Missense mutation in the SHH gene (I111F) at 7q36 may be associated with SMMCI. The ...
Background: A common problem that requires orthodontic intervention is maxillary lateral incisor agenesis. A common treatment for this problem is to open space for a maxillary lateral incisor implant. However, that treatment is expensive. Often, parents with this problem wonder if their children will also have this anomaly. Objective: To determine the relative risk of a parent with maxillary la...
AIM The aim of this report was to show the management of a case with an impacted central maxillary incisor caused by odontoma in a young patient with two mesiodentes in the region of the nasal floor. CASE REPORT A 9-year-old girl was seen in the Department of Orthodontics of the University of Rome 'Tor Vergata'. Radiographic images showed intraosseous impaction of the maxillary right central ...
Tooth avulsion is one of the most complicated dental traumatic injuries. Pulp necrosis and root resorption are the most common complications resulting from avulsion. External root resorption following tooth replantation can be inflammatory or replacement resorption (ankylosis). This report presents the treatment of progressive external root resorption on a permanent maxillary left central incis...
Esthetics and smile characteristics from the layperson's perspective: a computer-based survey study.
BACKGROUND The paradigm shift from occlusion to esthetics places more emphasis on the subtle relationships among the teeth and the interplay with the soft tissues. The authors of this study quantified the ideal and maximum acceptable deviations for smile characteristics. METHODS The authors created a survey by using a digital image editing software package, which enabled raters to manipulate ...
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