The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder
Objective To explore the effect of RW splints on the position and occlusal relationship of classⅡ malocclusion patients with temporomandibular disorder (TMD) to provide a basis for the diagnosis and design of this kind of patient. Methods Fifteen patients with class Ⅱ malocclusions with TMD were enr...
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Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases
2020-04-01
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doaj-c8516818ac404a249ed9e50fe626fe062020-11-25T03:23:01ZzhoEditorial Department of Journal of Prevention and Treatment for Stomatological Diseases口腔疾病防治2096-14562096-14562020-04-0128422423010.12016/j.issn.2096-1456.2020.04.004The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorderLIU Junfeng0LIU Conghua1ZHANG Wenzhong2XIAO Hui3 Li Shaobing41.Department of Orthodontics, Stomatological Hospital, Southern Medical University 2.Department of Stomatology, The First People′s Hospital of Kashi RegionDepartment of Orthodontics, Stomatological Hospital, Southern Medical UniversityDepartment of Orthodontics, Stomatological Hospital, Southern Medical UniversityDepartment of Orthodontics, Stomatological Hospital, Southern Medical UniversityDepartment of Implant, Stomatological Hospital, Southern Medical UniversityObjective To explore the effect of RW splints on the position and occlusal relationship of classⅡ malocclusion patients with temporomandibular disorder (TMD) to provide a basis for the diagnosis and design of this kind of patient. Methods Fifteen patients with class Ⅱ malocclusions with TMD were enrolled in this study. After 8 months of RW-splint treatment, the changes in jaw position (∠ANB, SN-MP, ∠S-G0/N-Me) and occlusal relationship (molar, cuspid teeth displacement and anterior overbite/overjet value) were recorded by a condylar displacement measuring instrument at the CR position and CO position. Results After RW-splint treatment, the mean values of ∠ANB (t=4.971, P=0.001) and ∠SN-MP (t=9.895, P < 0.01) were increased in all 15 patients, and the mean value of S-G0/N-Me (t=5.342, P=0.005) was decreased. The mean values of the distal movement of the first molars on the left and right sides of the mandible were (1.57 ± 0.79) mm and (1.69 ± 1.29) mm, respectively; the mean values of the distal movement of the canines on the left and right sides of the mandible were (1.54 ± 0.50) mm and (1.51 ± 1.08) mm, respectively; and the mean values of the overbite were (1.16 ± 0.60) mm and (1.99 ± 0.85) mm, respectively. Conclusion After RW-splint treatment, the jaw rotates clockwise, and the relationship between the molars and canines changes obviously in class Ⅱ patients with TMD, which provides a reference for the diagnosis and treatment plan of this kind of patient.http://www.kqjbfz.com/CN/10.12016/j.issn.2096-1456.2020.04.004rw-splinttemporomandibular disorderjaw positionangle class ⅱocclusal relationorthodontic repairtemporomandibular joint painfunctional displacement |
collection |
DOAJ |
language |
zho |
format |
Article |
sources |
DOAJ |
author |
LIU Junfeng LIU Conghua ZHANG Wenzhong XIAO Hui Li Shaobing |
spellingShingle |
LIU Junfeng LIU Conghua ZHANG Wenzhong XIAO Hui Li Shaobing The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder 口腔疾病防治 rw-splint temporomandibular disorder jaw position angle class ⅱ occlusal relation orthodontic repair temporomandibular joint pain functional displacement |
author_facet |
LIU Junfeng LIU Conghua ZHANG Wenzhong XIAO Hui Li Shaobing |
author_sort |
LIU Junfeng |
title |
The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder |
title_short |
The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder |
title_full |
The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder |
title_fullStr |
The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder |
title_full_unstemmed |
The effect of the RW-splint on the position and occlusal relationship of class Ⅱ malocclusion patients with temporomandibular disorder |
title_sort |
effect of the rw-splint on the position and occlusal relationship of class ⅱ malocclusion patients with temporomandibular disorder |
publisher |
Editorial Department of Journal of Prevention and Treatment for Stomatological Diseases |
series |
口腔疾病防治 |
issn |
2096-1456 2096-1456 |
publishDate |
2020-04-01 |
description |
Objective To explore the effect of RW splints on the position and occlusal relationship of classⅡ malocclusion patients with temporomandibular disorder (TMD) to provide a basis for the diagnosis and design of this kind of patient. Methods Fifteen patients with class Ⅱ malocclusions with TMD were enrolled in this study. After 8 months of RW-splint treatment, the changes in jaw position (∠ANB, SN-MP, ∠S-G0/N-Me) and occlusal relationship (molar, cuspid teeth displacement and anterior overbite/overjet value) were recorded by a condylar displacement measuring instrument at the CR position and CO position. Results After RW-splint treatment, the mean values of ∠ANB (t=4.971, P=0.001) and ∠SN-MP (t=9.895, P < 0.01) were increased in all 15 patients, and the mean value of S-G0/N-Me (t=5.342, P=0.005) was decreased. The mean values of the distal movement of the first molars on the left and right sides of the mandible were (1.57 ± 0.79) mm and (1.69 ± 1.29) mm, respectively; the mean values of the distal movement of the canines on the left and right sides of the mandible were (1.54 ± 0.50) mm and (1.51 ± 1.08) mm, respectively; and the mean values of the overbite were (1.16 ± 0.60) mm and (1.99 ± 0.85) mm, respectively. Conclusion After RW-splint treatment, the jaw rotates clockwise, and the relationship between the molars and canines changes obviously in class Ⅱ patients with TMD, which provides a reference for the diagnosis and treatment plan of this kind of patient. |
topic |
rw-splint temporomandibular disorder jaw position angle class ⅱ occlusal relation orthodontic repair temporomandibular joint pain functional displacement |
url |
http://www.kqjbfz.com/CN/10.12016/j.issn.2096-1456.2020.04.004 |
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