A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment

Objective To evaluate the change of the the face type and the cant of the occlusal plane of the patients with Angle ClassⅡ, division 2 before and after orthodontic treatment, in order provide evidence for clinical treatment.Methods In 30 patients with Angle ClassⅡ, division 2, 4 first premolars were...

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Main Authors: ZHANG Liao, LIU Ying
Format: Article
Language:zho
Published: Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases 2016-07-01
Series:口腔疾病防治
Subjects:
Online Access:http://manu45.magtech.com.cn/Jwk3_kqjbfz/EN/10.12016/j.issn.2096-1456.2016.07.007
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author ZHANG Liao
LIU Ying
author_facet ZHANG Liao
LIU Ying
author_sort ZHANG Liao
collection DOAJ
description Objective To evaluate the change of the the face type and the cant of the occlusal plane of the patients with Angle ClassⅡ, division 2 before and after orthodontic treatment, in order provide evidence for clinical treatment.Methods In 30 patients with Angle ClassⅡ, division 2, 4 first premolars were extracted. They were treated with straight wire appliance. Pre-treatment and post-treatment lateral cephalograms of the patients were obtained and evaluated. Seven parameters including AOP-FH, POP-FH, OP-dif, MP-FH, N-Me, N-ANS, ANS-Me were selected and analyzed.Results There were significant differences in AOP-FH, N-Me, POP-FH and ANS-Me (P < 0.05), while there were no significant differences in other parameters. Conclusion After the straight wire appliance treatment forAngle Class Ⅱ division 2 patients, heights of 1/3 lower face increases, both anterior and posterior occlusal plane decreases, especially the anterior occlusal plane.
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spelling doaj.art-d74a14f0f11642f0898ff2f3f768a3d22022-12-21T23:42:50ZzhoEditorial Department of Journal of Prevention and Treatment for Stomatological Diseases口腔疾病防治2096-14562096-14562016-07-0124741141510.12016/j.issn.2096-1456.2016.07.007A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatmentZHANG Liao0LIU Ying1Department of Orthodontics, Stomatology Hospital of Tai’an CityDepartment of Orthodontics, Stomatology Hospital of Tai’an CityObjective To evaluate the change of the the face type and the cant of the occlusal plane of the patients with Angle ClassⅡ, division 2 before and after orthodontic treatment, in order provide evidence for clinical treatment.Methods In 30 patients with Angle ClassⅡ, division 2, 4 first premolars were extracted. They were treated with straight wire appliance. Pre-treatment and post-treatment lateral cephalograms of the patients were obtained and evaluated. Seven parameters including AOP-FH, POP-FH, OP-dif, MP-FH, N-Me, N-ANS, ANS-Me were selected and analyzed.Results There were significant differences in AOP-FH, N-Me, POP-FH and ANS-Me (P < 0.05), while there were no significant differences in other parameters. Conclusion After the straight wire appliance treatment forAngle Class Ⅱ division 2 patients, heights of 1/3 lower face increases, both anterior and posterior occlusal plane decreases, especially the anterior occlusal plane.http://manu45.magtech.com.cn/Jwk3_kqjbfz/EN/10.12016/j.issn.2096-1456.2016.07.007Angle ClassⅡdivision 2Occlusal planeStraight wire applianceFace heightCephalometry
spellingShingle ZHANG Liao
LIU Ying
A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
口腔疾病防治
Angle ClassⅡ
division 2
Occlusal plane
Straight wire appliance
Face height
Cephalometry
title A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
title_full A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
title_fullStr A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
title_full_unstemmed A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
title_short A clinical research on the face type and double occlusal plane level change in Angle’s Class Ⅱ, division 2 patients before and after treatment
title_sort clinical research on the face type and double occlusal plane level change in angle s class ii division 2 patients before and after treatment
topic Angle ClassⅡ
division 2
Occlusal plane
Straight wire appliance
Face height
Cephalometry
url http://manu45.magtech.com.cn/Jwk3_kqjbfz/EN/10.12016/j.issn.2096-1456.2016.07.007
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