• Title/Summary/Keyword: Skeletal pattern

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Fabrication of shoes for analyzing human gait pattern using strain sensors (스트레인센서를 이용한 걸음걸이 패턴 분석 신발제작)

  • Kim, Eung-Soo
    • The Journal of the Korea institute of electronic communication sciences
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    • v.8 no.9
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    • pp.1407-1412
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    • 2013
  • The human gait pattern analysis shoes have been developed for our healthy lfe, which is largely dependent on a posture and a skeletal structure affected by daily lifestyle and gait pattern. There are generally 3 types of human gait, such as normal gait, intoeing gait, and outtoeing gait. We have analyzed one's gait pattern through walking put on the developed shoes.

TREATMENT OF SKELETAL CLASS II MALOCCLUSION BY COMBINATION THERAPY OF ACTIVATOR WITH ANTERIOR HIGH PULL HEADGEAR (Activator와 Anterior high pull headgear를 이용한 골격성 II급 부정교합의 치험례)

  • Yang, Kyu-Ho;Kim, Jung-Ran;Choi, Nam-Gi
    • Journal of the korean academy of Pediatric Dentistry
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    • v.26 no.1
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    • pp.126-132
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    • 1999
  • This article describes the use of an activator with anterior high pull headgear to treat a skeletal Class II malocclusion in children in the mixed-dentition phase. A combination of headgear-activator appliance can inhibit forward and downward growth of the maxillary complex while stimulating mandibular growth. The correction of Class II malocclusion can be achieved by careful case selection of a motivated patient with a favorable growth pattern. The patients who have skeletal Class II malocclusions were treated by means of activator with anterior high pull headgear and the following results were observed; 1. Forward and downward growth of the maxillary complex were inhibited 2. Mandibular growth was stimulated and counterclockwise rotation of the mandible was observed. 3. Large overjet and deep overbite were corrected.

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Evaluation of Post-Treatment Outcome of Sagittal Split Ramus Osteotomy in Mandibular Prognathism Patients (하악 전돌자의 하악지 시상분할 골절단술 후의 안정성에 대한 평가)

  • Chung, Dong-Hwa
    • Journal of Dental Rehabilitation and Applied Science
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    • v.22 no.4
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    • pp.271-281
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    • 2006
  • Long term prediction of surgical result of skeletal class III has not been evaluated adequately because the stability of orthognathic surgery would be affected by not only set back amount of mandible but also many other factors like skeletal pattern, hyoid position, and airway size. The aimof this study is to discriminate the factors which affect the stability of post-treatment result of surgical outcome of sagittal split ramus osteotomy. We have collected 37 patients (male: 17, female: 20) from patients who have been treated at Orthodontic Department in Dankook University. The patients underwent 3 times Cephalometric X-ray taking at pre-, post-orthognathic surgery and after 12 months retention. The subjects were divided into 2 groups (Stable group: 21, Relapse group: 16) according to their relapse amount. We have taken following results from Students t-test and discriminant analysis. The discriminant factors which discern relapse and stable groupe among treatment change variables were BX and Ba-HY. Hyoid bone moved to posterior and inferior position due to surgery and repositioned superiorly and posteriorly during retention period. Skeletal patterns of the relapse group are smaller mandibular plane angle, anterior mandibular position, and greater distance from hyoid bone to cervical bone and mandible respectively.

Trigger Point Injection for Myofascial Pain Syndrome (근막 통증 증후군의 통증 유발점 주사)

  • Kim, Chul-Hong;Park, Jin-Woo
    • The Journal of Korean Orthopaedic Ultrasound Society
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    • v.7 no.2
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    • pp.127-131
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    • 2014
  • Skeletal muscles which are the largest part of human body may develop pain and dysfunction. The myofascial pain syndrome that has trigger points as a unique characteristic is a major cause of morbidity. Trigger points are focal, hyperirritable painful areas located in a taut band of skeletal muscle. They produce local area pain and a referred pattern pain and often accompany chronic joint dysfunction. Various modalities are used to inactivate trigger points in myofascial pain syndrome. Trigger-point injection has been shown to be one of the most effective treatment modality to provide prompt relief of symptoms. This review article presents general concept of myofascial pain syndrome and technique of trigger point injection.

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THE EPIDEMIOLOGIC STUDY ON DENTAL MALOCCLUSION AND SKELETAL FACIAL PATTERN (부정교합과 골격성 안모형태에 관한 역학적 연구)

  • Cho, Kyu-Seok;Lee, Ki-Soo
    • The korean journal of orthodontics
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    • v.17 no.1
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    • pp.107-117
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    • 1987
  • The study was designed to examinate the discrimination rate of 4 antero-posterior cephalometric measurements from Angle's malocclusion groups. The material was 246 cephalometric radiographs taken from 42 Normal occlusions, 83 Class I malocclusions, 64Class II Division I malocclusions, 57Class III malocclusions. ANB angle, APDI, AB/OP angle, and Wits appraisal as measurements of antero-posterior skeletal relationship were measured on the cephalometric radiographs and statistically analyzed by the Canonical Discriminant Function. The results of this study were as follows: 1. ANB angle, APDI, AB/OP angle, and Wits appraisal were clinically useful measurements for the evaluation of the antero-posterior skeletal relationship. 2. The rates that discriminate actual malocclusion groups were $77.45\%$ in Wits appraisal, $74.02\%$ in AB/OP angle, $71.08\%$ in ANB angle, and $70.59\%$ in APDI. 3. The discrimination rate of actual Class III malocclusion show above $93\%$, but actual Class I and Class II division I malocclusions were relatively low.

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Molecular Characterization and Expression Patterns of Porcine Eukaryotic Elongation Factor 1 A

  • Wang, H.L.;Wang, H.;Zhu, Z.M.;Yang, S.L.;Fen, S.T.;Li, Kui
    • Asian-Australasian Journal of Animal Sciences
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    • v.19 no.7
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    • pp.953-957
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    • 2006
  • The eukaryotic elongation factor 1 A (EEF1A) participates in protein synthesis by forming the eEF1A GTP tRNA complex to deliver aminoacyl-tRNA to the A site of ribosomes. This study described cDNA sequences and partial genomic structure of porcine EEF1A1. The porcine EEF1A1 gene encoded a protein with 462 amino acids, which shared complete homology with human, chimpanzee and dog. The temporal expression pattern showed the diversity of EEF1A1 level in mRNA was relatively minor in prenatal embryo skeletal muscle, however, the expression decreased during aging after birth in skeletal muscle of the Chinese Tongcheng pig. The spatial expression patterns indicated that the gene expressed in skeletal muscle, heart, lung, liver, kidney, fat and spleen. In addition, we assigned the gene to porcine chromosome 1 using a radiation hybrid panel.

CEPHALOMETRIC EVALUATION ON THE MAXILLOFACIAL TYPE IN KOREAN ADULTS (악안면의 형태에 관한 X선학적 연구)

  • Ahn Hyoung Kyu;You Dong Soo;Park Tae Won
    • Journal of Korean Academy of Oral and Maxillofacial Radiology
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    • v.3 no.1
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    • pp.29-34
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    • 1973
  • The study was made on the facial profile of the normal Korean adults using the roentgenographic cephalograms. The subjects ccnsisted of 50 males and 50 females with the normal occlusion. The measurements were made of the facial angles in skeletal pattern and depth, height and the length in the soft tissue profile. The mean and standard deviations from the subjects were calculated and compared with the samples of male and female. The authors have drawn the conclusions as follows: 1. Compared with the angulation in skeletal patterns, there were no differences between both sexes. 2. Individual variations of the lower face were larger than the upper face in most measuring points. 3. Generally, facial heights were lesser than facial depth in sexual differences. 4. Most dimensions of the facial depth, height and length of the male were larger than those of female.

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Three-dimensional cone-beam computed tomography based comparison of condylar position and morphology according to the vertical skeletal pattern

  • Park, In-Young;Kim, Ji-Hyun;Park, Yang-Ho
    • The korean journal of orthodontics
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    • v.45 no.2
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    • pp.66-73
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    • 2015
  • Objective: To compare condylar position and morphology among different vertical skeletal patterns. Methods: Diagnostic cone-beam computed tomography images of 60 adult patients (120 temporomandibular joints) who visited the orthodontic clinic of Hallym University Sacred Heart Hospital were reviewed. The subjects were divided into three equal groups according to the mandibular plane angle: hypodivergent, normodivergent, and hyperdivergent groups. Morphology of the condyle and mandibular fossa and condylar position were compared among the groups. Results: The hypodivergent and hyperdivergent groups showed significant differences in superior joint spaces, antero-posterior condyle width, medio-lateral condyle width, condyle head angle, and condylar shapes. Conclusions: Condylar position and morphology vary according to vertical facial morphology. This relationship should be considered for predicting and establishing a proper treatment plan for temporomandibular diseases during orthodontic treatment.

A CEPHALOMETRIC STUDY OF DENTOFACIAL MORPHOLOGY IN RELATION WITH FACIAL GROWTH PATTERN (안모 성장유형에 따른 악안면 형태에 관한 연구)

  • Kim, Young-Won;Sohn, Byung-Hwa
    • The korean journal of orthodontics
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    • v.15 no.2
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    • pp.239-247
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    • 1985
  • The author compared patients with extreme variations in MP-SN angle with normal group in order to examine the relationship between the MP-SN angle and other skeletal and dental parameters. The results were as follows; 1. The OP-SN angle and OP-MP angle decreased as the MP-SN angle decreased. 2. As the MP-SN angle decreased, the skeletal and dental components became more anteriorly situated. 3. In high MP-SN group, TFH, UFH, LFH, OP-MP, ADH increased more than those in average MP-SN group. 4. The RH/TFH ratio decreased as the MP-SN increased.

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An Estimating Method of Contractile State Changes Come From Continuous Isometric Contraction of Skeletal Muscle (골격근의 지속적인 등척성 수축 시 발생하는 수축상태변화 추정 방법)

  • Park Hyung-Jun;Lee Seung-Ju
    • The Transactions of the Korean Institute of Electrical Engineers D
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    • v.52 no.1
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    • pp.55-63
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    • 2003
  • In this study was proposed that a new estimating method for investigation of contractile state changes which generated from continuous isometric contraction of skeletal muscle. The physiological changes(EMG, ECG) and the psychological changes by CNS(central nervous system) were measured by experiments, while the muscle of subjects contracted continuously with isometric contraction in constant load. The psychological changes were represented as three-step-change named 'fatigue', 'pain' and 'sick(greatly pain)' from oral test, and the method which compared physiological change with psychological change on basis of these three steps was developed. The result of analyzing the physiological signals, EMG and ECG signal changes were observed at the vicinity of judging point in time of psychological changes. Namely, it is supposed that contractile states have three kind of states pattern (stable, fatigue, pain) instead of two states (stable, fatigue).