• Title/Summary/Keyword: TMJ function

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A Clinical Study on Non-Working Side Contacts and TMJ Dysfunction in Young Adults (비작업측(非作業側) 치아접촉(齒牙接觸) 및 악관절(顎關節) 기능장애(機能障碍)에 관(關)한 임상적(臨床的) 연구(硏究))

  • Yang, Jae-Ho
    • The Journal of Korean Academy of Prosthodontics
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    • v.22 no.1
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    • pp.17-22
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    • 1984
  • A clinical evaluation was made on teeth in 113 subjects from ages 19 to 23 with Angle's Class I occlusion who were free from prosthesis, orthodontics, and occlusal equilibration. The study was made to determine if there was a relation between the type of occlusion, non-working contact and temporomandibular dysfunction. From the foregoing study, the author obtained the following results. 1. In lateral excursion, there was not any significant difference between bilateral canine protected occlusion (31%), bilateral group function (32.7%), and mixed type (34.5%). 2. Only 10 of 113 subjects studied had non-working side tooth contacts (8.2 per cent). 3. Twenty per cent of subjects with non-working side contact showed temporomandibular joint dysfunction. 4. Non-working side contacts were not observed in subjects with canine guided occlusion. 5. It would be premature to relate the type of occlusion on working side directly to temporomandibular joint dysfunction.

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The Evaluation of TMJ Status after Orthognathic Surgery for Skeletal Class III Malocclusion (악교정 수술을 받은 골격성 III급 부정교합 환자의 악관절 상태에 관한 연구)

  • Son, Woo-Sung;Jung, Choong-Bo;Kim, Jong-Ryoul
    • Journal of Dental Rehabilitation and Applied Science
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    • v.22 no.4
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    • pp.289-300
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    • 2006
  • This study was performed to investigate the influence of orthognathic surgery on the temporomandibular dysfunction in skeletal class III malocclusion. The temporomandibular joint status in 22 patients(mean age: 23.7 years) who received orthognathic surgery such as mandibular BSSRO(14 patients), maxillary Le Fort I osteotomy with mandibular BSSRO(8 patients) was evaluated by craniomandibular index. All these patients received orthognathic surgery at least 6 months ago. The mean score and standard deviation was obtained and compared with that of 22 normal individuals(mean age: 24.8years) by Student's t-test. In mandibular movement, the score of orthognathic surgery group was higher than that of the normal group. All the items except mandibular movement did not show any differences between the two groups.

Radiologic Diagnosis of Temporomandibular Joint (측두하악관절의 영상진단)

  • Park, Hyok;Chung, A-Young;Jung, Da-Woon;Kim, Seong-Taek
    • Journal of Dental Rehabilitation and Applied Science
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    • v.28 no.3
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    • pp.291-299
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    • 2012
  • There are many kinds of techniques for imaging temporomandibular joints. None of them for imaging "best fit" for every patient of temporomandibular disorder is recommended ideally. It is more important to be able to select the modality that is most adequate and appropriate for a given clinical issue.

THE LONG-TERM RESULT OF CONDYLE FRACTURE IN CHILDREN (성장기 아동 하악 과두 골절의 예후에 관한 장기 추적 조사)

  • Choi, Jin-Ho;Ryu, Seung-Hyun;Ryu, Mun-Gwang;Kim, Jae-Woo;Kim, Il-Kyu;Ha, Tae-Jin
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.30 no.2
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    • pp.121-130
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    • 2004
  • The purpose of this study was the long-term clinical and radiological evaluation of conservatively treated condylar fractures in children. This study was therefore undertaken to analyze the long-term effects of treating condylar fractures in children with conservative therapy in order to resolve the controversial question of whether complete remodeling occurs in this age or, if not, whether it is more likely to be associated with certain types of fracture or with other factors. This study was based on a series of 11 consecutive children and adolescents, aged between 3 and 15 years, with fractures of the condylar process who had been treated with conservative therapy at the Department of Oral & Maxillofacial surgery, Inha University Hospital, Inchon, Korea. All patients underwent a clinical investigation with special emphasis on Temporomandibular joint function and facial asymmetry. The patients also underwent a radiologic investigation, focusing on fracture remodeling and symmetry of mandible. It consists of panoramic radiograph, PA & lateral cephalogram and 3-D CT. No patient described impaired temporomandibular joint(TMJ) function or pain on the affected side. 2 of 8 (25%) unilateral and 1 bilateral fractures show slight facial asymmetry. Despite apparently excellent recovery of function, there were marked remodeling changes evident on the CT scan. Such changes are not usually evident on panoramic radiograph. Radiologic investigation showed incomplete remodelling(54.5%) and asymmetry of the mandible (27.3%) in some patients. Conservative treatment of condyle fracture in children results in satisfactory long-term outcome of jaw function despite a relative high frequency of radiologically noted aberrations.

Clinical Observations of Temporomandibular Disorder Patients used Dong-Qi Acunpuncture Treatment (동기침법(動氣鍼法)을 이용한 악관절(顎關節) 장애(障碍) 환자(患者)의 임상적(臨床的) 관찰(觀察))

  • Wang, Wu-Hao;Lim, Jin-Kang;Ahn, Kyu-Beom;Jang, Hyoung-Seok;Shin, Joon-Shik
    • Journal of Acupuncture Research
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    • v.18 no.5
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    • pp.109-121
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    • 2001
  • Objective : The purpose of This study is to analyze influence of functional and clinical improvement effect on temporomandibular disorders of Dong-Qi acupuncture treatment that often be used to temporomandibular disorder patients. Methods : We investigated to focus temporomandibular disorders in Jaseng oriental medicine hospital from September 8, 2000 to March 22, 2001. We compared to before and after treatment situation using temporomandibular disease & facial ache dolor pain and malignant function disorders & activation inhibition analysis from one cured Dong-Qi acupuncture treatment of outpatients-40 examples. Results : These results appeared that Sex distinction occurrence ratio was much more female than male of 1: 7. Age distinction occupied the most ratio in 20-30 generation. Jobs was mainly ranked students and companion. In cases treated before visiting our hospital, was mainly ranked our hospital first dignosis. the distribution interval of solider was mainly followed above 3 years. the distribution interval of treatment was mainly gone within 1 month and above 3 month, frequency of treatment was examined below 5 times, into 6 to 10 times, more than 11 times, respectively. Everything showed a very valuable effect except chewing and dentalgia in decrease of ache dolor pain and linkage pain related to mal-function. There are meaningful effect in Every part on Mal-function improvement. Every contents showed a very excellent effect except activation such as motivation ingestion and recreation in influence of activation. Conclusion : The above results showed a very valuable treatment effect of temporomandibular disorders on Dong-Qi acupuncture treatment. Therefore we are considered the necessity of continuous study and observation applying to other disease as well as temporomandibular disorders.

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TREATMENT OF FUNCTIONAL ANTERIOR CROSSBITE DUE TO PREMATURE LOSS OF PRIMARY MOLARS: A CASE REPORT (유구치 조기상실로 인한 기능성 전치부 반대교합의 치료 증례)

  • Pak, Choong-Je;Kim, Hyun-Jung;Nam, Soon-Hyeun;Kim, Young-Jin
    • Journal of the korean academy of Pediatric Dentistry
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    • v.21 no.2
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    • pp.540-546
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    • 1994
  • The authors treated three patients who chiefly complained functional anterior crossbite due to premature loss of primary molars by using removable space maintainer and functional appliances. In orthodontic practice, the mandibular rest position and the possibility of taking construction bite have been as the criteria for evaluation of functional factors involved in anterior crossbite. Functional anterior crossbites, if left untreated, may have deleterious effects on the development and function of craniofacial complex and TMJ. Objectives of the treatment were as follows: 1) to recover vertical dimension 2) to eliminate functional disharmony 3) to correct anterior reversed occlusion 4) to attain good facial esthetics 5) to prevent unfavorable growth of jaw & dentition Characterized craniofacial morphology resulting from the premature loss of deciduous molars could be recovered following the correction of crossbite. Therefore, it is recommended that in orthodontic diagnosis of functional anterior crossbite due to premature loss of deciduous molars, the craniofacial abnormality affected by that should be considered.

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TREATMENT OF FUNCTIONAL POSTERIOR CROSSBITES IN THE PRIMARY AND EARLY MIXED DENTITIONS : CASE REPORT (유치열 및 초기 혼합치열기에서 기능성 구치부 반대교합의 치료증례)

  • Lee, In-Jeong;Kim, Hyun-Jung;Nam, Soon-Hyeun
    • Journal of the korean academy of Pediatric Dentistry
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    • v.21 no.2
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    • pp.547-554
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    • 1994
  • Posterior crossbites are abnormal buccal, or lingual relationship of a tooth or teeth of the maxilla, the mandible, or both when the teeth of the two arches are in occlusion and involve the molars and premolars. Posterior crossbites are classified as dental, muscular(functional), or skeletal. In an effort to avoid occlusal interferences caused by the inadequate arch width, the patient deviates the mandible laterally upon closure to achieve maximum intercuspation. This is described as functional posterior crossbite. Correction of functional posterior crossbites in the primary & early mixed dentition as early as possible after diagnosis has been recommended, because crossbites do not automatically improve with the eruption of the permanent teeth. Functional posterior crossbites, if left untreated, may have deleterious effects on the development and function of the TMJ. The diagnosis and management of three cases is presented. Each patient with functional posterior crossbites is treated using the bilateral maxillary expansion appliance.

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Full mouth rehabilitation with extremely worn dentition (심한 치아 마모 환자의 전악보철 수복 증례)

  • Cha, Hwa-Ryun;Yeom, Kyeong-Yeon;Lee, Yong-Sang;Kim, Na-Hong
    • Journal of Dental Rehabilitation and Applied Science
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    • v.33 no.3
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    • pp.238-244
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    • 2017
  • Pathologic attrition leads to pathologic damage on occlusal plane, functional disorders, occlusal disharmony, esthetic problems, pulpal lesion, temporomandibular joint (TMJ) disorder. In this case, treatment plan should be considered for possibility of vertical dimension loss, occlusal pattern, esthetics, phonetics, amount of vertical dimension increase. This case report was a 71-year-old man who had severely worn dentition. Full mouth rehabilitation was carried out with vertical dimension increase due to limited space for prosthesis. After evaluation of provisional restorations for patient's compliance, final restorations were fabricated and routine clinical assessments were made. This case presents that a satisfactory clinical result was achieved by restoring the worn dentition.

악관절 질환 환자에 대한 초기치료의 효과: 상담 및 투약

  • Kim, Yeong-Gyun;Kim, Hyeon-Tae;Kim, In-Su
    • The Journal of the Korean dental association
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    • v.38 no.6 s.373
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    • pp.549-557
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    • 2000
  • ㆍPurpose: This study was performed to investigate the initial conservative treatment for TMD patients using careful counselling and medication prospectively. ㆍMaterials and Methods: Careful counselling and medication were performed in 51 TMD patients and 27 patients had follow-up check 2 months or more. Diagnosis of TMD was based on medical history and, physical and radiographic examination. TMD included masticatory disorder, internal derangement, degenerative joint disease, inflammatory joint disorder. and problems resulting from extrinsic trauma. All patients had chief complaints of TMJ pain, mouth-opening limitation. joint noise, and/or referred pain. We counselled and explained to the patient about the pathogenesis, etiologic factors, diagnosis and treatment plan for abut 10 minutes. We prescribed nonsteroidal anti-inflammatorv analgesic(Somalgen) and amitriptyline 10mg per day for 2 weeks. We informed the patient of the attention sheet and taught self-exercise of jaw. The patient were assessed by answering the questionnaire of subjective evaluation of TMD & maxillofacial pain. Questionnaire of an activity limitation. Questionnaire of a jaw function, and Questionnaire for the evaluation of TMD. ㆍResults: In questionnaire for the evaluation of TMD, 88.5% of 26 patients answered that the treatment was efficacious. 71.4% of 21 patients answered no problem in everyday life. There were significant differences between pretreatment and final follow-up in the evaluation of the subjective pain in the following sections: opening widely, chewing, resting, morning, masticatory muscle, and temporal portion(SAS program, paired T-test, P = 0.05). ㆍConclusions: Considerate counselling and proper medication could be significantly effectve in the initial treatment of TMD.

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Use of the ID Migraine Questionnaire for Migraine in TMJ and Orofacial Pain Clinic (턱관절 및 안면통증 클리닉에서 편두통 진단을 위한 ID Migraine 설문지의 이용)

  • Kim, Seong-Taek
    • Journal of Dental Rehabilitation and Applied Science
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    • v.22 no.1
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    • pp.29-36
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    • 2006
  • As migraine pain represents a substantial personal and social burden worldwide, there has been a great deal of effort in developing a screening instrument for migraine. Lipton et al(2003) developed and validated the ID Migraine questionnaire, which is a self-administered screener for migraine in primary care, and it is brief and easy to use for a primary care provider. The aim of this study was to determine if the ID Migraine questionnaire could be applied successfully to assess the headache patients with temporomandibular disorders(TMD) and orofacial pain. This study found that nausea, photophobia and headache-related disability had the highest individual sensitivities and specificities, and the performance of the three-item screener was equivalent to that reported in a previous study. Although the sensitivity of the three-item screener in this study (0.58) was lower than in a previous study (0.81), the specificity (0.98) was higher and the positive predictive value was 93.9%. This suggest that the ID Migraine questionnaire is very efficient in this setting. In conclusion, the ID Migraine questionnaire, which is a three-item screener consisting of nausea, photophobia and headache-related disability, is effective as a self-administered report for detecting migraine headaches in patients with temporomandibular disorders(TMD) and orofacial pain.