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LOOP MECHANICS.
В наличии
Местонахождение: Алматы | Состояние экземпляра: новый |
Бумажная
версия
версия
Автор: Dr.Neha Jawane,Dr. Kunal Patil and Dr. Sunilkumar Nagmode
ISBN: 9786206755579
Год издания: 1905
Формат книги: 60×90/16 (145×215 мм)
Количество страниц: 160
Издательство: LAP LAMBERT Academic Publishing
Цена: 46120 тг
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Аннотация: Orthodontics deals with the alignment of the teeth in order to achieve optimal function and aesthetics. This often entails extraction of certain teeth, usually first premolars in order to take care of the arch length-tooth material discrepancies as well as to improve the patient's profile. Extraction space closure is an integral part of orthodontic treatment which demands a thorough understanding of the biomechanics. In the pre-adjusted edgewise technique, retraction is achieved either with friction (sliding) or frictionless mechanics. Frictionless mechanics have evolved from simple vertical loops to present more complex loop designs to achieve better moment/force ratio and constant delivery of force. Materials used for frictionless retraction have also evolved from stiff stainless steel (SS) wires to the more flexible beta titanium wires introduced by Burstone, and to the newer materials like Connecticut archwires (CNA) which are supposed to reduce the force levels and thus making the treatment more effective and efficient. One of the major advantages of frictionless mechanics is that a known force system is delivered to teeth.
Ключевые слова: loop mechanics, frictionless orthodontics
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Отрасли знаний: Медицина -> Стоматология Vikrant Jadhav,Ranjit Kamble and Sunita Shrivastav Frictionless Mechanics in Orthodontics. Loop Mechanics. 1905 г., 96 стр., мягкий переплет One of the major reasons for individual seeking orthodontic treatment is to improve their facial appearance. Literature search has revealed that for the correction of esthetics, extraction of teeth, especially first premolar is frequently carried out in about 43% of cases. Following extractions, space closure forms a major fraction of orthodontic... | 34651 тг | |
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