• Title/Summary/Keyword: Facial analysis

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A LONGITUDINAL ROENTGENO-CEPHALOMETRIC STUDY ON THE CRANIOFACIAL DEPTH AND HEIGHT BY COBEN'S METHOD (Coben법에 의한 한국 아동의 두개안면골의 성장 변화에 관한 누년적 연구)

  • Ahn, Hyo-il;Ryu, Young-Kyu
    • The korean journal of orthodontics
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    • v.15 no.1
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    • pp.23-42
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    • 1985
  • The morphology and growth changes of the Craniofacial Complex are important in orthodontics and cephalometrics for analysis and evaluation of facial bone growth are widely used. The author analyzed the data using lateral cephalometric roentgenogram of 75 Korean male and 50 Korean females age of 6 to 10 with normal occlusion to provide informations-relative rates of facial bone growth of Korean which is to be contributed in Korean standard. The results were as follows: 1. Means, standard deviation and coefficient of variation of Korean children were obtained. 2. The item which showed significent difference between male and female was craniofacial height in absolute dimension. 9. No difference of sex was showed in increment of craniofacial height and depth. 4. Among the craniofacial depth increments, the lower facial depth dimension increased most, midfacial depth dimension increased less, and cranial depth dimension increased the least. 5. The horizontal body of mandible showed rapid growing tendency more than did the ascending ramus.

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Various Genioplasty techniques and case presentations (턱끝 성형술의 다양한 절골술식과 임상증례)

  • Choi, Jin Young
    • The Journal of the Korean dental association
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    • v.58 no.2
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    • pp.94-102
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    • 2020
  • The form and location of chin is very important factor which determine the facial impression. Genioplasty is getting popular in order to improve the facial impression as facial beauty is considered as improvable factor. Through the geniplasty, chin can be moved to wanted location 3 dimensionally Genioplasty is relative simple but precise diagnosis and accurate surgical technique is very important for accurate and satisfying results. The form and shape of chin itself can be analysized and also must be evalulated in relation to the nose and lip and face. Author introduces the analysis of the chin, various surgical techniques of genioplasty and presents some cases.

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Facial soft tissue measuring analysis of normal occlusion using three-dimensional CT imaging (3차원 CT 영상을 이용한 정상교합자의 안면 연조직 계측 분석)

  • Han, Soo-Yeon;Baik, Hyoung-Seon;Kim, Kee-Deog;Yu, Hyung-Seog
    • The korean journal of orthodontics
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    • v.35 no.6 s.113
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    • pp.409-419
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    • 2005
  • Studies for diagnostic analysis using three-dimensional (3D) CT images are recently in progress and needs for 3D craniofacial analysis are increasing in the fields of orthodontics. It is especially essential to analyze the facial soft tissue after orthodontic treatment and orthognathic surgery. In this study 3D CT images of adults with normal occlusion were taken to analyze the facial soft tissue. Norms were obtained from CT images of adults with normal occlusion (12 males, 11 females) using a computer program named V works 4.0 program. 3D coordinate planes were established using soft tissue Nasion as the reference point and a total of 20 reproducible landmarks of facial soft tissue were obtained using the multiple reconstructive sectional images (axial, sagittal and coronal images) of the V works 4.0 program: soft tissue Nasion, Pronasale, Subnasale, Upper lip center, Lower lip center, soft tissue B, soft tissue Pogonion, soft tissue Menton, Endocanthion (Rt/Lt), Alare lateralis (Rt/Lt), Cheilion (Rt/Lt), soft tissue Gonion (Rt/Lt), Tragus (Rt/Lt), and Zygomatic point (Rt/Lt). According to the established landmarks and measuring method, the 3D CT images of adults with normal occlusion were measured and the normal positional measurements and their Net (${\delta}=\sqrt{{X^2}+{Y^2}+{Z^2}}$) values were obtained using V surgery program, In the linear measurement between landmarks, there was a significant difference between males and females except Na' -Sn and En(Rt)-En(Lt). The normal ranges of Na'-Zy, Na'-Ch and Na'-Go' (facial depth) were obtained, which was difficult to measure by two-dimensional (2D) cephalometric analysis and facial photographs. These data may be used as references for 3D diagnosis and treatment planning for patients with malocclusion and dentofacial deformity.

Clinical Analysis of Recurrent Bell's Palsy in One University Hospital (한 대학병원에서 분석한 재발 벨마비 환자의 임상양상)

  • Kim, Chang Hyeong;Lee, Dong Kuck
    • Annals of Clinical Neurophysiology
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    • v.15 no.1
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    • pp.1-6
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    • 2013
  • Background: Bell's palsy (BP) is the most common cause of unilateral lower motor facial palsy. Recurrent paralysis of the facial nerve is unusual and reported in only 7-8%. Methods: A total of 394 consecutive patients with acute BP patients were enrolled at Daegu Catholic University Hospital from July 2005 to September 2012. We classified the patients into two groups-single BP and recurrent BP-and compared them by patient characteristics, clinical features, MRI findings, electrophysiologic findings and prognosis. The degree of BP was graded according to the House and Brackmann facial nerve grading system. Results: Recurrent BP was observed in 31 (7.9%) patients. The number of recurrence was varied from 2 to 5. The recurrent BP (9.7%) had more incidence of family history and MRI enhancement than those of single BP (2.2%, p=0.047). The single BP (63.4%) had better recovery than recurrent BP (45.2%, p=0.045). Conclusions: The recurrent BP had more incidence of family history, MRI enhancement and poor prognosis than the single BP.

An Emotion Recognition Method using Facial Expression and Speech Signal (얼굴표정과 음성을 이용한 감정인식)

  • 고현주;이대종;전명근
    • Journal of KIISE:Software and Applications
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    • v.31 no.6
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    • pp.799-807
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    • 2004
  • In this paper, we deal with an emotion recognition method using facial images and speech signal. Six basic human emotions including happiness, sadness, anger, surprise, fear and dislike are investigated. Emotion recognition using the facial expression is performed by using a multi-resolution analysis based on the discrete wavelet transform. And then, the feature vectors are extracted from the linear discriminant analysis method. On the other hand, the emotion recognition from speech signal method has a structure of performing the recognition algorithm independently for each wavelet subband and then the final recognition is obtained from a multi-decision making scheme.

A Study on the Measurement of Korean Women′s Head for Headgear Pattern Making (모자제작을 위한 여자 머리 계측에 관한 연구)

  • 안영실;서미아
    • The Research Journal of the Costume Culture
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    • v.12 no.5
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    • pp.743-756
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    • 2004
  • The purpose of this study is to set measurement parts which are important to identify the size and shape of the head in order to produce tightly fitted hats, and to identify detailed sizes and the major factors of head shape classifications of Korean women. A total of 285 Korean women's in the age group of 18 to 35 years old. It were measured through the direct measurement method by selecting 67 measurement items. Materials were analyzed by SPSS Ver.10 and technology statistics and factor analysis were performed according to the agenda. An attempt was made to conduct factor analysis of the measured region of the head in women's. Here, this study drew the head and the facial parts horizontal size as Factor 1, the head and facial parts vertical size as Factor 2, the circumference and width item as Factor 3, the factor representing the form of head height as Factor 4, the factor expressing the proportion of the facial form as Factor 5 and the factor about the frontal and back head form on the plan of the middle as Factor 6. Through this study, we will be able to systemize head measurement materials that can differentiate Korean's head from other peoples' and can use the results in developing head shape models according to Korean's head shape by selecting major head parts needed to identify the sizes and shapes.

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Analysis of Kidney Function States Based on Face Color Observation by Kidney Ear Acupuncture Point Irritation (신장 이혈 상응점 자극에 따른 얼굴 색상 기반의 신장 기능 상태 분석)

  • Kim, Bong-Hyun;Cho, Dong-Uk
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.35 no.12B
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    • pp.1192-1198
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    • 2010
  • As indicators of life quality have recently shown great improvement, alternative medicine is becoming a mainstream health care pattern, in which early stage medical examinations and treatments are usually preformed before diseases occur. In this context, the ear-acupuncture method is increasingly used these day as one of important alternative medicine treatments. In this paper, we performed an experiment of facial region color analysis with kidney ear acupuncture point irritation. For this, we collected facial image samples before and after kidney ear acupuncture point irritation under the same condition. From the samples, the change rates of K, L values of CMYK color system and Lab color system, respectively, on kidney related facial parts were extracted and analyzed to investigate kidney function improvement.

Differences in Electric Potential of Meridian System -Comparing Electrical Potentials of Patients with Facial Hemiparalysis- (구안와사 환자의 12경맥 전위측정 연구)

  • Choi, Hwan-soo;Nam, Bong-hyun
    • Journal of Acupuncture Research
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    • v.21 no.6
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    • pp.111-120
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    • 2004
  • Objective : Assuming that the characteristic of meridian system has been similar to this of electric potentials in human body and that measurements of electric potential at well(井穴) and sea (合穴) points in branches of the twelve meridians(WSBTM) will be representative of measurements of the twelve meridians, to measure the electric potentials of 13 patients with Facial Hemiparalysis (구안와사<口眼蝸斜>, FH), to find out the characteristic of meridian system in patients with AK. Methods : Electric potentials of well and sea points in the meridians in twenty one patients with the pain in the lion diagnosed as FH were repeatedly measured by physiograph(PowerLab). Measurements of those electrical potentials were analyzed by factor analysis. Results : The electric potentials of WSBTM at the left side were divided into five factors. On the other hand those at the right side Were divided into four factors. Conclusions : In conclusion, their electrical potentials at the left and right side were each other five and four factors. Thus electrical potentials of well and sea points might be the representative meridian to show their characteristics.

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Analysis of the resistant muscle force against distraction in the maxilla-facial deformities (악안면 기형환자에서 내측 익돌근 근력측정 및 의미분석)

  • Choung Pill-Hoon;Hong Jong-Rak;Bae Yong-Chul
    • Korean Journal of Cleft Lip And Palate
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    • v.4 no.2
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    • pp.45-50
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    • 2001
  • Recents reports have demonstrated that force and direction is important during mandibular distraction osteogenesis. The purpose of this study was to evaluate the resistant force of internal pterygoid muscles and inquire into relationship between internal pte'Ygoid muscles and cephalometric parameters. Eighty four patients with class III malocclusion underwent bilateral sgittal splitting of ramus with intraoral vertico-sagittal ramal osteotomy. A spring scale were used for measuring for resistence of internal pterygoid mescles after splitting of ramus. Skeletal-dental cephalometric analysis was made following statistic package was used for correlation between resistence and cephalometric parameters. The resistant force of right internal pterygoid muscle was greater than left muscle in Korean with class III malocclusion and the force had a linear regression relationship with facial depth (distance between nasion and gonion). The results suggested that facial depth has significant correlation of the resistance of internal pterygoid muscle (p<0.05).

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Pharmacopuncture for Acute peripheral facial paralysis: A systematic review and meta-analysis of randomized controlled trials

  • Choi, Min-Sun;Kim, Dong Il;Jang, Su Hee
    • The Journal of Korean Medicine
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    • v.36 no.2
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    • pp.8-20
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    • 2015
  • Objectives: This study aims to evaluate the efficacy of pharmacopuncture in the treatment of acute peripheral facial paralysis (APFP) through a meta-analysis of randomized controlled trials to assess the clinical evidence for pharmacopuncture as a treatment for PFP. Methods: Literature was searched using databases. The search terms used were "pharmacopuncture," "sweet BV," "apipuncture," "apitoxin," "injection acupuncture," and "herbal acupuncture" in English and "bongchim," "bongyakchim," and "yakchim" in Korean. The RevMan 5.2 program was used for meta-analysis. Results: In all, 1902 studies were screened and the full texts of 219 articles were reviewed. Of these, nine studies were included in the systematic review and nine studies were included in the meta-analysis. Treatments utilizing bee venom, sweet bee venom (SBV), Soyeom, Calculus Bovis Fel Ursi Moschus (BUM), Hominis Placenta, and Suseunghwagang (SSHG) were observed in nine RCTs. In the forest plot, the diamond favors the PA treatment against the control treatment. (95% CI: 0.34 [0.08, 0.60], Z = 2.57, P = 0.01), which Our meta-analysis in RevMan 5.2 confirmed the significant efficacy of PA in treating APFP. Conclusion: Our systematic review and meta-analysis suggest that treatments using Soyeom, bee venom, and BUM are effective in APFP and they reduce the duration of postauricular pain occurring at the acute stage of APFP. However, due to small effect size, further investigation is needed.