Clinical study was done concerning to temporomandibular (TM) arthrosis for 168 female patients (mean age 35.5 ranged from 20 to 48 years) who visited our dental clinic. Among 168 patients, 16 cases (9.5%) had maxillofacial pain, 74 cases (44%) joint sounds and 49 cases (29.2%) alternations in the opening pathway. As a result, subclinical patients were 96 cases (57%). The mean value of maximum inter-incisal distance was 47.6mm +/- 5.3. The patients with subclinical TM arthrosis were mainly associated with stiffness of neck. They show in mothers with a number of infants. In female, it seems that delivery and nursing are associated with arising TM arthrosis.
{"title":"[Clinical studies on temporomandibular arthrosis in our dental clinic. 1. Subclinical female patients (20s-40s-year-old)].","authors":"H Wake, H Hagihara","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Clinical study was done concerning to temporomandibular (TM) arthrosis for 168 female patients (mean age 35.5 ranged from 20 to 48 years) who visited our dental clinic. Among 168 patients, 16 cases (9.5%) had maxillofacial pain, 74 cases (44%) joint sounds and 49 cases (29.2%) alternations in the opening pathway. As a result, subclinical patients were 96 cases (57%). The mean value of maximum inter-incisal distance was 47.6mm +/- 5.3. The patients with subclinical TM arthrosis were mainly associated with stiffness of neck. They show in mothers with a number of infants. In female, it seems that delivery and nursing are associated with arising TM arthrosis.</p>","PeriodicalId":77756,"journal":{"name":"Nihon Ago Kansetsu Gakkai Zasshi","volume":"1 1","pages":"79-88"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13635674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
H Fukazawa, T Mukaiyama, T Kurita, J Urano, H Mitani
The purpose of this study was to investigate the facial pattern of early childhood patient with temporomandibular joint (TMJ) dysfunction (clicking) occurred after anterior cross-bite correction. Chincap appliance was engaged in all cases, with or without minor intraoral mechano-therapy. Materials were consisted of lateral and postero-anterior cephalograms of 50 japanese patients (6-9 years old), all showing anterior cross-bite with normal function of TMJ at pre-treatment stage. They were consisted of two groups, one was the group of 22 patients with TMJ dysfunction occurred after cross-bite correction and the other was the control group of 28 patients with no TMJ problem. Morphological measurements were done and compared between two groups. The results were as follows: 1) There was no significant difference between the TMJ group and the control group from the lateral facial pattern. 2) The upper and middle facial skeleton were symmetry in both groups, but the maxillary alveolar legion (CMo, U 1) of TMJ group was significantly from the antero-posterior view. 3) On the lower face (mandible) of the TMJ group, it was pointed out that the position of Gonion was significantly asymmetry and L 1 point and Menton were disclosed to have severe lateral displacement. It was cleared that a high incidence of temporomandibular joint dysfunction was found in mandibular asymmetry cases. It was concluded that a careful case-management is required for mandibular asymmetry patients during chicap-orthodontic therapy.
本研究旨在探讨儿童早期颞下颌关节(TMJ)功能障碍(咔嗒声)患者在前牙交叉咬合矫正后的面部特征。所有病例均使用Chincap矫治器，配合或不配合轻微的口内机械治疗。材料包括50例日本患者(6-9岁)的侧位和后前位脑电图，治疗前均显示前交叉咬合，颞下颌关节功能正常。分为两组，一组为交叉咬合矫正后出现TMJ功能障碍的22例患者，另一组为无TMJ问题的28例患者。两组间进行形态学测量和比较。结果表明:1)颞下颌关节组与对照组在侧面形态上无显著差异。2)两组上、中面骨均对称，但颞下颌关节组上颌牙槽军团(CMo, U 1)的正后视图差异显著。3) TMJ组下面部(下颌骨)Gonion位置明显不对称，L 1点、Menton点外侧移位严重。结果表明，下颌不对称患者的颞下颌关节功能障碍发生率较高。结论:下颌不对称患者在牙缝正畸治疗中需要谨慎的病例管理。
{"title":"[Evaluation on facial pattern of early childhood patients with T.M.J. dysfunction occurred after anterior crossbite correction].","authors":"H Fukazawa, T Mukaiyama, T Kurita, J Urano, H Mitani","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The purpose of this study was to investigate the facial pattern of early childhood patient with temporomandibular joint (TMJ) dysfunction (clicking) occurred after anterior cross-bite correction. Chincap appliance was engaged in all cases, with or without minor intraoral mechano-therapy. Materials were consisted of lateral and postero-anterior cephalograms of 50 japanese patients (6-9 years old), all showing anterior cross-bite with normal function of TMJ at pre-treatment stage. They were consisted of two groups, one was the group of 22 patients with TMJ dysfunction occurred after cross-bite correction and the other was the control group of 28 patients with no TMJ problem. Morphological measurements were done and compared between two groups. The results were as follows: 1) There was no significant difference between the TMJ group and the control group from the lateral facial pattern. 2) The upper and middle facial skeleton were symmetry in both groups, but the maxillary alveolar legion (CMo, U 1) of TMJ group was significantly from the antero-posterior view. 3) On the lower face (mandible) of the TMJ group, it was pointed out that the position of Gonion was significantly asymmetry and L 1 point and Menton were disclosed to have severe lateral displacement. It was cleared that a high incidence of temporomandibular joint dysfunction was found in mandibular asymmetry cases. It was concluded that a careful case-management is required for mandibular asymmetry patients during chicap-orthodontic therapy.</p>","PeriodicalId":77756,"journal":{"name":"Nihon Ago Kansetsu Gakkai Zasshi","volume":"1 1","pages":"66-78"},"PeriodicalIF":0.0,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"13635673","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
N. Saburi, N. Taguchi, Y. Fukuoka, T. Asai, H. Kotani, T. Maruyama, K. Nakata, T. Kaneda, Y. Mineno, M. Kuwabara
The subjects were 37 female patients with juvenile TMJ arthrosis (T group) and 27 healthy females (N group) who visited the Dept. of Oral Surgery, Nagoya University Hospital or the Dept. of Dent-Oral Surgery, Nagoya University Branch Hospital. Following evaluations were made: 1) L6 to L7 angle 2) L6 to occlusal plane 3) L7 to occlusal plane 4) L6 to mandibular plane 5) L7 to mandibular plane 6) occlusal plane angle 7) mandibular plane angle Following results were obtained: 1. Significant differences between T group and N group were not seen in the occlusal plane angle. 2. A majority in the T group showed a mesial inclination of the lower second molar. 3. Mandibular plane angle in the T group was larger than that in the N group.
{"title":"[Clinical studies on TMJ arthrosis in young people. A study of dental axis of lower molar teeth].","authors":"N. Saburi, N. Taguchi, Y. Fukuoka, T. Asai, H. Kotani, T. Maruyama, K. Nakata, T. Kaneda, Y. Mineno, M. Kuwabara","doi":"10.5794/JJOMS.33.257","DOIUrl":"https://doi.org/10.5794/JJOMS.33.257","url":null,"abstract":"The subjects were 37 female patients with juvenile TMJ arthrosis (T group) and 27 healthy females (N group) who visited the Dept. of Oral Surgery, Nagoya University Hospital or the Dept. of Dent-Oral Surgery, Nagoya University Branch Hospital. Following evaluations were made: 1) L6 to L7 angle 2) L6 to occlusal plane 3) L7 to occlusal plane 4) L6 to mandibular plane 5) L7 to mandibular plane 6) occlusal plane angle 7) mandibular plane angle Following results were obtained: 1. Significant differences between T group and N group were not seen in the occlusal plane angle. 2. A majority in the T group showed a mesial inclination of the lower second molar. 3. Mandibular plane angle in the T group was larger than that in the N group.","PeriodicalId":77756,"journal":{"name":"Nihon Ago Kansetsu Gakkai Zasshi","volume":"2 1","pages":"183-9"},"PeriodicalIF":0.0,"publicationDate":"1987-02-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78608192","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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