搜索结果: 1-9 共查到“医学 Premolar extractions”相关记录9条 . 查询时间(0.126 秒)
Prediction of Lip Response to Four First Premolar Extractions in White Female Adolescents and Adults
Soft tissues Prediction Cephalometrics Treatment changes Adolescents Adults
2010/3/5
Objective: To develop models for predicting changes in lip position of Class I extraction patients.
Materials and Methods: Pretreatment and posttreatment lateral cephalograms of 46 white female adu...
Prediction of Lip Response to Four First Premolar Extractions in White Female Adolescents and Adults
Soft tissues Prediction Cephalometrics Treatment changes Adolescents Adults
2010/3/5
Objective: To develop models for predicting changes in lip position of Class I extraction patients.
Materials and Methods: Pretreatment and posttreatment lateral cephalograms of 46 white female adu...
First Premolar or Second Premolar Extractions：Formula or Clinical Judgment?
First Premolar Second Premolar Extractions Clinical Judgment
2009/3/8
First Premolar or Second Premolar Extractions: Formula or Clinical Judgment?
A comparison of the effects of first premolar extractions on third molar angulation
Third molar Premolars Extractions Angulations
2009/1/13
The effect of third molars on the stability of orthodontic treatment has been studied extensively. Yet the effect of orthodontic treatment, particularly premolar extractions, on third molars has n...
Physiologic drift of the mandibular dentition following first premolar extractions
Physiological drift Extraction therapy Cephalometrics Growth Mandible
2009/1/12
A retrospective study of two groups of patients was conducted to evaluate the physiologic drift, or “driftodontics”, of the mandibular teeth following the extraction of four first premolars. Group 1...
The effect of premolar extractions on the soft-tissue profile in adult African American females
African American Bimaxillary protrusion Extraction Soft tissue profile
2009/1/8
The present study was designed to evaluate the effect of four first premolar extractions on the soft tissue profile in African American patients. Pretreatment and posttreatment cephalograms of 28 ad...
The Effect of Premolar Extractions on Tooth Size Discrepancies
Bolton index Extraction Premolar
2008/12/15
The purpose of this study is to investigate the effect of premolar extractions on tooth size discrepancy. A total of 213 plaster casts were divided into a Bolton big (BB), a Bolton normal (BN) and a...
The Effects of First Premolar Extractions on Third Molar Angulations
Premolar extraction Nonextraction Orthodontic treatment Third molar angulation
2008/11/20
The purpose of this study was to determine the relationship between the inclinations of second and third molars during a two- to 2.5-year period in patients treated orthodontically both with and wit...
Vertical Changes in Class II division 1 Malocclusion after Premolar Extractions
Vertical facial growth Facial divergence
2008/11/14
The purpose of this study was to compare changes in the facial vertical dimension in patients with Class II division 1 malocclusion after the extraction of either mandibular first premolars or mandi...