orthodontic miniscrews are widely used as temporary anchorage devices to facilitate orthodontic movements. miniscrew loosening is a common problem, which usually occurs during the first two weeks of treatment. macrodesign can affect the stability of a miniscrew by changing its diameter, length, thread pitch, thread shape, tapering angle and so on. in this study, a 3-d finite element analysis wa...

BACKGROUND Awareness of malocclusion and the need to make corrections has increasingly becomes prevalent among our population. However, very few patients have presented in the orthodontic clinics with referrals from medical practitioners, an indication that the primary caregivers may be deficient in the knowledge of orthodontic practice. OBJECTIVE To assess the knowledge of orthodontics and t...

In their classic article on the subject Peck and Peck [1] reported extraction frequencies taken from 12 studies over a 66 year period, that varied between 6.5 % to 83.5 %. They also recognised that the decision to extract teeth as part of orthodontic treatment was both contentious and emotive. To quote "For years the question of extracting permanent teeth as part of corrective orthodontics has ...

Adresa za dopisivanje Prof. Yehoshua Shapira Tel Aviv University The Maurice and Gabriela Goldshleger School of Dental Medicine Department of Orthodontics, Tel Aviv 69978 Israel Tel : +972-2-5335531 Fax: +972-2-5335532 [email protected] Sažetak Svrha: Željeli su se odrediti rasprostranjenost i svojstva zaglavljenja (impakcije) drugoga donjočeljusnog kutnjaka (mandibularnog molara) u ve...

cephalometry and its related analyses have an important role in the evaluation of orthodontic patients. access to an analysis that gives maximum information in the least possible time is an effective way to indicate craniofacial disharmony; therefore, craniofacial templates are very useful tools. the purpose of the present study was to provide orthodontic craniofacial templates for 8-14-year-ol...

one of the most important goals of orthodontic treatment is to create an esthetic, well balanced facial profile. however, the components of a well-balanced iranian facial profile have not yet been established. the purpose of this study was to evaluate the anteroposterior lip position of the iranian population and to compare the perception of orthodontists, dental students and orthodontic patien...

the aim of this case report was to introduce an appliance for correcting severe rotation of anterior teeth in the mixed dentition period. a 9-year-old iranian boy with a mixed dentition class i malocclusion complained of a severely rotated of upper right central incisor. there was a mesiodens between the central incisors. the supernumerary tooth was first extracted and then a whip appliance whi...

Dr. Cannon is Senior Lecturer in Molecular Microbiology in the Department of Oral Sciences and Orthodontics, University of Otago, Dunedin, New Zealand. Dr. Chaffin is Professor of Microbiology in the Department of Microbiology and Immunology, Texas Tech University Health Sciences Center, Lubbock, Texas. Direct correspondence and requests for reprints to Dr. Richard D. Cannon, Department of Oral...