منابع مشابه
A Comparative Study of Dentoskeletal Changes Following Orthodontic Treatment with First Premolar Extraction in Long Face and Normal Patients
Introduction: The purpose of this study was to evaluate vertical facial and dental changes after orthodontic treatment with extraction of first four premolars, and to find whether long facial height could influence the treatment result. Methods: Fifty-six orthodontic patients with the minimum age of 15, whose treatment plan involved extracting four first premolars, participated in the study. Th...
متن کاملcomparison of changes inmandibular third molar angulationfollowing first/second premolar extraction versus non-extraction orthodontic treatments
objective: extraction of premolars is believed to affect the eruption of third molars. this comparative study aimed to assess the change in angulation of third molars following first/second premolar extraction versus non-extraction orthodontic treatments. methods: this historical cohort study was conducted on patients assigned to three treatment groups: extraction of mandibular first premolars ...
متن کاملAssessment of facial profile changes in patients treated with maxillary premolar extractions
Objective: Evaluate the facial profile changes of orthodontic treatment with extraction of two upper first premolars, from the perspective of orthodontists, dentists and lay people. Methods: Facial profiles of radiographs taken before and after treatment of 70 patients with Class II, division 1 malocclusion were traced. The silhouettes of the 70 patients were randomly assembled in an album with...
متن کاملOver-bite and vertical changes following first premolar extraction in high angle cases.
AIMS AND OBJECTIVES Orthodontists generally agree that nonextraction treatment is associated with downward and backward rotation of the mandible and an increase in the lower anterior face height (LAFH). They also agree that extraction line of treatment is associated with upward and forward rotation of the mandible and decrease in the LAFH. The intent of this cephalometric investigation was to e...
متن کاملSecond Premolar Extraction: A Case Report
To correct the malocclusion is the chief aim of an orthodontist. For each individual, ideal facial esthetics would result when the teeth were placed in ideal occlusion. Malocclusion is caused by two ways either spacing or crowding in which crowding is the most common cause.Treatment of a crowded arch requires space gaining. This has been achieved through two ways of treatment – extraction or no...
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ژورنال
عنوان ژورنال: Revista Odonto Ciência
سال: 2011
ISSN: 1980-6523
DOI: 10.1590/s1980-65232011000400005