Efficiency of Class I and Class II malocclusion treatment with four premolar extractions
نویسندگان
چکیده
منابع مشابه
Efficiency of Class I and Class II malocclusion treatment with four premolar extractions
UNLABELLED Four premolar extractions is a successful protocol to treat Class I malocclusion, but it is a less efficient way when compared with other Class II treatment protocols. OBJECTIVE The objective of this study was to evaluate the influence of anteroposterior discrepancy on the success of four premolar extractions protocol. For that, treatment efficiency of Class I and complete Class II...
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BACKGROUND The purpose of this study was to compare the occlusal stability of class II subdivision malocclusion treatment with 3 and 4 first premolar extractions. A sample of 156 dental casts from 52 patients with class II subdivision malocclusion was divided into two groups according to the extraction protocol. Group 1 comprised 24 patients treated with 3 premolar extractions and group 2 inclu...
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The purpose of this study was to retrospectively compare the treatment times of Class II division 1 malocclusion subjects treated with four first premolar extractions or a non-extraction protocol and fixed edgewise appliances. Eighty-four patients were selected and divided into two groups. Group 1, treated with four first premolar extractions, consisted of 48 patients (27 males and 21 females) ...
متن کاملRelapse of maxillary anterior crowding in Class I and Class II malocclusion treated orthodontically without extractions
Objective: The present study aimed to retrospectively compare the postretention stability of maxillary anterior incisors alignment in patients with Class I and Class II malocclusions. Methods: Sample comprised 38 patients of both genders, treated with no extraction and Edgewise mechanics, divided into two groups: Group 1 comprised 19 patients, at a mean age of 13.06 years, with Class I malocclu...
متن کاملInfluence of initial occlusal severity on time and efficiency of Class I malocclusion treatment carried out with and without premolar extractions
INTRODUCTION The aim of this retrospective study was to compare the occlusal outcomes, duration and efficiency of Class I malocclusion treatment carried out with and without premolar extractions in patients with different degrees of initial malocclusion severity. METHODS Complete records of 111 patients were obtained and divided into two groups: Group 1 consisted of 65 patients at an initial ...
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ژورنال
عنوان ژورنال: Journal of Applied Oral Science
سال: 2014
ISSN: 1678-7765,1678-7757
DOI: 10.1590/1678-775720130544