An experimental study on mandibular expansion: increases in arch width and perimeter
نویسندگان
چکیده
منابع مشابه
An experimental study of arch perimeter and arch width increase with mandibular expansion: a finite element method.
AIMS The objective of this study was to estimate the increase in arch perimeter associated with mandibular lateral expansion, To estimate the increase in intermolar width with mandibular lateral expansion and to find out the changes of tooth inclination with mandibular expansion. MATERIALS AND METHODS The mandibular bone with dentition of indian skeletal specimen was obtained. The computer to...
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Relationships between changes in arch perimeter and arch width resulting from rapid palatal expansion with the Hyrax appliance were analyzed with the use of dental study casts of 21 adolescent patients. Photographs and measurements from the dental casts obtained before treatment and approximately 3 months after stabilization were used. Regression analysis indicated that changes in premolar widt...
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Crowding is one of the causes of class I malocclusion. The purpose of the present study was to examine the relationship between arch length, arch width and arch perimeter in crowded and non-crowded arches, as well as to made comparison of the right and left sides between them and to find out the contributing factor in lower arch crowding. The study groups consisted of 60 subjects aged 16 to 21 ...
متن کاملComparison of dental arch and arch perimeter changes between bonded rapid and slow maxillary expansion procedures.
The purpose of this study was to evaluate and compare the dental effects of bonded rapid maxillary expansion (RME) and bonded slow maxillary expansion (SME) treatment methods. Subjects with a maxillary bilateral crossbite were selected and two treatment groups each with 12 patients were constructed. At the beginning of treatment, the average chronological ages were 11.96 years for the RME group...
متن کاملMiniscrew-assisted rapid palatal expansion for managing arch perimeter in an adult patient
Introduction: Etiology of dental crowding may be related to arch constriction in diverse dimensions, and an appropriate manipulation of arch perimeter by intervening in basal bone discrepancies cases, may be a key for crowding relief, especially when incisors movement is limited due to underlying pathology, periodontal issues or restrictions related to soft tissue profile. Objectives: This c...
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ژورنال
عنوان ژورنال: The European Journal of Orthodontics
سال: 2002
ISSN: 0141-5387,1460-2210
DOI: 10.1093/ejo/24.2.125