• Journal of Oral Medicine and Pain
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• v.30 no.4
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• pp.433-446
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• 2005

The purpose of this study was to investigate the sociopsychological factors which might influence the course of the temporomandibular disorders and to develop models for prediction of treatment outcome related to pain, dysfunction and sound. For this study, 268 patients with temporomandibular disorders were selected from the patients presented to department of Oral Medicine, Wonkwang university dental hospital. Chief complaints of these subjects were largely grouped into three categories such as pain, dysfunction and sound, and 10 cm visual analogue scale(VAS) was used to record the state of the three complaints every visit and Treatment Index(VAS TI) was calculated from VAS. All the forty-two items obtained from clinical examination or questionnaire were statistically processed with $SPSS^{(R)}$ windows. The results of this study were as follows: 1. The items showed a difference between male and female subjects were maximum mouth opening, palpation score, jaw jerk during mandibular movement, and sleep disturbance. Among questionnaires such as SRRS, HAD scale and PSQI, the HAD scales showed the most highly significant correlation with the each scale item of the SCL-90R. 2. Among the groups classified by VAS TI, the group with the lowest VAS TI showed the highest VAS score in the start of treatment but showed the lowest score in the end of treatment, without respect to the type of chief complaint. From these results, it is assumed that the active treatment duration for the subjects with lower VAS score in the first visit would be longer than the subjects with higher score with the somewhat poor treatment outcome. 3. With regard to all the three complaints, the items showing significant effect in the model for prediction of treatment outcome were from questionnaire, except one item, maximum mouth opening, which suggest that the sociopsychological factors would be strongly related to development and progress of the symptoms.

• Journal of Oral Medicine and Pain
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• v.33 no.4
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• pp.305-316
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• 2008

The mandibular advancement device(MAD) has been used to help manage snoring and obstructive sleep apnea. The aims of this study were to specify the demographic and clinical characteristics of the patients receiving long-term treatment with MAD and to quantify the compliance with and side effects of the use of the device. Of 103 patients who were treated with MAD for at least one full year after delivery date, 49 were able to be contacted with telephone and complete follow-up questionnaires were obtainable. They were telephoned to determine whether they were still using the device. If not, they were asked when and why they stopped using it. Patients were also asked how much effectiveness of the MAD in decreasing snoring and how much they and their bed-partners were satisfied with the MAD therapy. The initial respiratory disturbance indices and pre-treatment snoring frequency and intensity were obtained from the medical records of initial visit. All the data were compared between users and nonusers. The results were as follows: 1. Of 49 patients 25 are still using the device, but 24 stopped using it. Among nonusers nobody stopped wearing the device within first 1 month, but 37.5% of nonusers stopped wearing it in the following 6 months, and another 4.2% before the end of the first year. 2. The one-year compliance of the MAD therapy was 79.59%. 3. There were no significant differences in mean age, mean body mass index, and gender distribution between users group and nonusers group. 4. There was no significant difference in mean respiratory disturbance index at initial visit between users group and nonusers group. 5. There was no significant difference in pre-treatment snoring frequency and intensity between users group and nonusers group. 6. The degree of decrease in snoring with use of MAD was significantly higher in the users when compared to nonusers. 7. Patient's overall satisfaction with treatment outcome was significantly higher in the users when compared to nonusers. 8. Bed partner's satisfaction with treatment outcome tended to be higher in the users when compared to nonusers. 9. The most frequent reasons why patients discontinued wearing the MAD were: jaw pain(25%), dental pain(20.83%), broken appliance(20.83%), hassle using(16.67%), lost weight(8.3%), dental work(8.3%), no or little effect(4.17%), sleep disturbance(4.27).

• Sleep Medicine and Psychophysiology
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• v.4 no.2
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• pp.172-180
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• 1997

Objects : This study was carried out to investigate characteristics of patients who need hypnotics on the night before elective surgery as well as contributing variables for the necessity of hypnotics. Methods : After reviewing the clinical charts of patients who were scheduled to receive surgery by general anesthesia the following day, researchers had semi structural interviews with patients. In addition, Spielberger's State-Trait Anxiety Inventory(SSTAI), Beck Depression Inventory(BDI), Zung's Self-Rating Pain and Distress Scale(ZPDS), and Presleep and Postsleep Questionnaires were administered to patients. A total of 167 patients, who gave reliable information, were divided into two groups based on subjective judgement regarding the necessity for hypnotics on the night before surgery; 29 eligibles for hypnotics and 138 non-eligibles for hypnotics. Demographic and clinical characteristics of patients, some possible factors affecting sleep, psychological characteristics of patients and daytime status and nighttime sleep before surgery were compared between the two groups. In addition, discriminant function analysis was done to find the variables which would best discriminate among patients who differ in terms of necessity for hypnotics on the night before surgery. Results : There was no difference in demographic and clinical characteristics between the two groups; however, the satisfaction level with ward environment was significantly lower in the eligible group for hypnotics than the non-eligible group. Psychologically, the eligible group for hypnotics, compared to the non-eligible group, showed significantly more severe depression, pain, and distress; whereas anxiety level was not different between the two groups. For nighttime sleep before surgery, the eligible group for hypnotics, compared to the non-eligible group, expected poorer sleep before retiring and in fact, reported poorer sleep the following morning. In discriminant function analysis, 'expectation for sleep' and 'pain and distress' were the most potent contributors to discriminate the necessity of hypnotics. Conclusion : For the improvement of the patient's sleep on the night before elective surgery, giving hypnotics and/or analgesics should be determined by patient's opinion about the necessity of the drugs rather than by the therapist's own judgement or any other objective indices.

• Restorative Dentistry and Endodontics
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• v.36 no.3
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• pp.196-202
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• 2011

Objectives: The aim of this study was to investigate levels of matrix metalloproteinase-8 (MMP-8) and substance P (SP) in root canal exudates during root canal treatment (RCT) of nonvital, painful teeth. Materials and Methods: Patients scheduled for nonsurgical RCT were prospectively selected; the study was performed after obtaining informed consent from the patients and was approved by the Institutional Review Board for Clinical Research of Gangnam Severance Hospital, Yonsei University (3-2008-0118). Canal exudates samples were collected using sterilized paper points from teeth scheduled for RCT across three different time periods. MMP-8 and SP levels were measured using enzyme-linked immunosorbent assay (ELISA). Data were analyzed using a mixed model analysis and the Pearson correlation analysis (p < 0.05). Results: MMP-8 and SP levels in GCF were decreased during RCT (p < 0.0001), and they showed a weak positive correlation to each other (p < 0.05). Patients' subjective pain levels and the response from percussion test were significantly related to SP level. Conclusions: This study demonstrated that periradicular inflammation endodontic origin can elevate SP and MMP-8 levels in root canal exudates. Interestingly, SP level of canal exudates showed a possibility of being used as an indicator of pain due to periapical pathosis.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.13 no.9
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• pp.3999-4008
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• 2012

This study investigated the symptoms of work-related musculoskeletal disorder(WMSDs) for physical therapists who have different work duties. We analyzed the symptoms in the musculoskeletal system and the degree of work-harmfulness by the survey of the symptom in the musculoskeletal system and rapid upper limb assessment(RULA) for pain control group(n=56), adult exercise group(n=53), and pediatric exercise group(n=22). As a result, 69.6% of the pain control group, 84.9% of the adult exercise group, 81.8% of the pediatric exercise group show the observable symptom. The adult exercise group has the biggest work load per hour in the final wrist & arm score of the ergonomic risk assessment using RULA. The action level of the pain control group is $3.0{\pm}0.9$; the Action Level of adult exercise group is $3.3{\pm}0.6$; the Action Level of the pediatric exercise group is $3.2{\pm}0.8$, and so it is shown that the adult exercise group has a problem of working posture. It is considered that devices and education system for preventing from WMSDs should come into wide use.

• Clinics in Shoulder and Elbow
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• v.13 no.1
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• pp.7-13
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• 2010

Purpose: Our purpose was to retrospectively analyze clinical results of subpectoral tenodesis of the proximal biceps tendon using an interference screw. Materials and Methods: We reviewed 23 cases of patients receiving tenodesis of the proximal biceps tendon between January 2008 and January 2009 for whom we had follow-up data for at least 1 year. Twenty-three cases were operated on using subpectoral tenodesis; 16 of these cases had a rotator cuff tear. The results were judged using a visual analog scale (VAS), ASES, tenderness on the biceps groove, fixation failure and the degree of deformity (BAD). Results: VAS and ASES scores were significantly improved in all patients by the time of the final observation. There were no significant complications or fixation failures. The patients without a tear of the rotator cuff had a better result than patients with a tear of the rotator cuff, but the difference between the two groups was not significant (p>0.05). Conclusion: In patients with pathology of the long head of the biceps brachii, benefits of subpectoral interference screw tenodesis include pain relief, maintenance of functional biceps, muscle strength, and cosmesis. Subpectoral biceps tenodesis using interference screw fixation appears to be a promising, reproducible, reliable technique for addressing anterior shoulder pain related to pathology of the long head of the biceps brachii.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.8
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• pp.160-166
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• 2018

This study was conducted to analyze the Ego Integrity, Subjective Pain, Subjective Health, Subjective Happiness and Social Support level of Community Dwelling elderly, and to analyze the variables that impact their Ego Integrity. Methods: A total of 250 elderly aged 60 years or above visiting a Senior Welfare Center in j city and j group of Jeonbuk were selected as subjects of this study for collection and analysis of data. Data were collected from January 8 to February 26, 2008 from 250 community-dwelling elders in Korea and subjected to descriptive analysis, t-test, ANOVA, Pearson's Correlation Coefficient, and multiple regression analysis. Results: only economic strength was influenced by general characteristics. Additionally, Subjective Pain, Subjective Health, and Subjective Happiness and Social Support l were found to have a statistically positive correlation with Ego Integrity. Finally, the most influential variables on the elderly Ego Integrity were Social Support (${\beta}=.194$, p=.002), followed by Subjective Health (${\beta}=.149$, p=.040) and four variables explaining 10.8% of the elderly Ego Integrity. Conclusion: it is necessary to develop specific intervention programs to improve Social Support and Subjective Health among Community Dwelling elderly to make it possible to enable Ego Integrity.

• The Journal of the Korea Contents Association
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• v.12 no.4
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• pp.273-281
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• 2012

The purpose of this study was to examine about correlation among dental hygienists' work environment, recognition on preventive education of musculoskeletal disease, the work-related musculoskeletal disease, and the work characteristics. The aim is to suggest a management plan for reducing symptom of musculoskeletal disease. The self-administered questionnaire was surveyed and collected from August 1-12 of 2011 targeting 210 dental hygienists Seoul, Gyeonggi, Daegu, Pohang. Except 5 people whose responses are not clear and who suffered accident, the analysis was made on 205 people. The collected data was analyzed by using SPSS WIN 15.0 program. As a result, dental hygienists, the average was the highest with 3.07 in 'between shoulder and neck(right side).' Seeing the pain frequency by body region, the average was the highest with 1.47 in 'ankle/calf(left side).' Seeing the appearance of having trouble in work ability related to pain experience of musculoskeletal disease by body region, the average was indicated to be the highest with 1.84 in 'knee(right side).Therefore, the agencies have to pay more attentions and efforts to ensure safety of musculoskeletal disorders in dental hygienist.

• Journal of Korean Orthopaedic Sports Medicine
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• v.6 no.2
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• pp.105-109
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• 2007

Purpose: The lateral epicondylitis is very common around elbow joint. We investigated the effectiveness of arthroscopic treatment. Materials and Methods: From Oct. 2002 to Feb. 2006, a total of 14 patients who were diagnosed with lateral epicondylitis and treated with arthroscopy were used in this study. The average symptom durations before receiving treatment was 27.3 months (9 to 47 months) and the average follow-up periods was 13.6 months (8 to 22 months). Results: The mean preoperative VAS scores was 8.3 (7 to 10 points) and the mean postoperative scores was 1.6 (0 to 4 points). The lesions of extensor carpi radialis brevis were classified using Baker's classification system. Type 1 lesion was found in 7 cases, type 2 in 4 cases, type 3 in 1 case Patients were able to return to their normal life style by 12.3 days (6 to 27 day). Conclusion: The Clinical outcomes of patients who received arthroscopic treatment were found to be good. Patients experienced lesser pain, and shorter recovery time. Therefore, when conservative treatment is ineffective in treating the lateral epicondylitis, arthroscopic treatment is considered af another option available for patients.

• Clinics in Shoulder and Elbow
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• v.16 no.2
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• pp.94-99
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• 2013

Purpose: The purpose of this study is to evaluate the clinical results of arthroscopic biceps long head suprapectoral tenodesis using an interference screw. Materials and Methods: We reviewed the cases of 30 patients who underwent arthroscopic biceps long head suprapectoral tenodesis using an interference screw between January 2008 and January 2010. The minimum follow up period was one year. Twenty patients had rotator cuff tears. The results were analyzed by VAS, ASES, tenderness in the bicipital groove, fixation failure, and the degree of deformity. Results: VAS, ASES scores showed a statistically significant increase during the final observation in all patients, compared with those before surgery. However, five patients (17%) had anterior shoulder pain and tenderness in the biceps groove, and three patients (10%) had Popeye deformity. Better results were achieved in patients without rotator cuff tear than in patients with rotator cuff tear (p<0.05). Conclusion: Arthroscopic biceps long head tenodesis above the pectoralis major using an interference screw in patients with a pathologic lesion of the proximal biceps tendon showed good results at the last follow up. However, further study for tenderness in the biceps groove in 17% of patients is needed.