Journal of Yeungnam Medical Science

Original article

Association between dental amalgam restoration and urine mercury concentrations among young women: a cross-sectional study: Su-Bin Park, Eun-Kyong Kim, Joon Sakong, Eun Young Park; J Yeungnam Med Sci. 2023;40(4):373-380. Published online March 21, 2023; DOI: https://doi.org/10.12701/jyms.2022.00955

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Abstract PDF: Background
The association between dental amalgam fillings and urine mercury concentrations was investigated in this study to assess the health risks associated with dental amalgams.
Methods
This cross-sectional study included 99 women in their 20s who visited the dental clinic in Daegu, Korea. The 99 participants were composed of 68 subjects who had dental amalgam fillings (exposure group) and 31 subjects who did not have dental amalgam fillings (nonexposure group). Oral examinations were conducted by a single dental hygienist, sociodemographic features were investigated as confounding variables, and urine mercury concentrations were measured using an automatic mercury analyzer.
Results
The mean±standard deviation of the urine mercury concentrations of the exposure and nonexposure groups were 1.50±1.78 μg/g creatinine and 0.53±0.63 μg/g creatinine, respectively. The exposure group showed significantly higher levels than the nonexposure group (p<0.01). The urine mercury concentration significantly increased with an increase in the number of teeth filled with amalgam, cavity surfaces involved, and number of defective amalgam fillings, and according to the latest exposure time (p<0.001). In the multiple regression analysis of amalgam-related factors and urine mercury concentrations after correction for confounding factors, the urine mercury concentration in the group with six or more amalgam-filled teeth, 11 or more cavity surfaces, and two or more defective amalgams was significantly higher than that in the nonexposure group (p<0.001).
Conclusion
According to this study, exposure to dental amalgams was confirmed to significantly affect urine mercury concentrations.

Original Articles

An Epidemiologic Study of Low Back Pain of Women Working at a General Hospital.: Dong Gu Park, Myun Whan Ahn, Jong Chul Ahn, Sae Dong Kim, Jae Sung Seo; Yeungnam Univ J Med. 2007;24(2):186-196. Published online December 31, 2007; DOI: https://doi.org/10.12701/yujm.2007.24.2.186

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BACKGROUND
The aim of this study was to confirm the risk factors for low back pain and injury to improve the prevention and treatment of lower back pain. MATERIALS AND METHODS: An epidemiologic study of low back pain and injury was performed with questionnaires distributed to 471 women working at Yeungnam university hospital. The differences in low back pain and injuries among various hospital departments were analyzed by a one-way analysis of variance (ANOVA), and the relevant factors included in the questionnaire were determined by a factor analysis. RESULTS: The frequency of low back pain in women in the department of diet and in the maintenance department was higher than among the other departments. The frequency of low back pain was mainly related to the frequency of psychosomatic symptoms. In addition, the low back pain was partially related to the frequency of psychosomatic symptoms and partially related to the frequency of pushing during the workday. The degree of disability from low back pain was increased by lifting and hard physical work and was related to the frequency of psychosomatic symptoms and the degree of work dissatisfaction. The frequency of low back injury was increased by increased standing time during work and hard physical work. The frequency of low back injury was related to advancing age and in part to psychosomatic symptoms. CONCLUSION: Lower back pain and its associated complications are related to psychosomatic factors and type of work. Lower back injury is related to physiological factors such as age. For the prevention and treatment of lower back pain, a multidisciplinary approach is required.

Citations

Citations to this article as recorded by

Effects of the Hand Acupressure and Lumbar Strengthening Exercise on Women with Lower Back Pain
Eun Young Jeon
journal of east-west nursing research.2013; 19(2): 63. CrossRef

Factors Affecting Bone Mineral Density in Premenopausal Women: Myeong-Sook Lee, Pock-Soo Kang, Kyeong-Soo Lee; Yeungnam Univ J Med. 2007;24(2 Suppl):S330-339. Published online December 31, 2007; DOI: https://doi.org/10.12701/yujm.2007.24.2S.S330

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Abstract PDF

Purpose：The purpose of the study was to determine factors affecting bone mineral density among premenopausal women aged over 45 years old and make a contribution to preventing osteoporosis among postmenopausal women. Materials and Methods：A total of 133 women enrolled in the study and completed a self-administered questionnaire that measured results of bone mineral density exam and biochemical exam, demographic characteristics, smoking and drinking, physical activities and reproductive characteristics.
Results
：The results of the study are summarized as follows: Of total subjects, 20.2% showed a reduction on bone mineral density. Age was the most important factor predicting bone mineral density level. A frequent intake of meat rather than vegetables had a significant impact on bone mineral density. Women with a menstruation cycle shorter than 28 days showed significantly high bone mineral density. Multiple regression analysis revealed a correlation between age and risk of osteoporosis. The explainability for variables was 16%.
Conclusion
：It is necessary to develop programs designed to help women in their 30s to maintain the maximum bone density and prevent osteoporosis after menopause.

Citations

Citations to this article as recorded by

Problems with Bone Health and the Influencing Factors of Bone Mineral Density in Women across the Life Cycle
Nami Chun, Hyunju Chae
Korean Journal of Women Health Nursing.2015; 21(1): 43. CrossRef
Factors related to Osteopenia in Community People
Sung Hey Kim, Young Hee Lee
Journal of Korean Public Health Nursing.2015; 29(2): 177. CrossRef
The Bone Mineral Density Impact Factors of Adult Women before the Menopause - based on the National Health and Nutrition Examination Survey -
Kyung-Hee Kim, Jung-Hee Lee, Jin-Dong Yeo
Journal of the Korean Society of Radiology.2015; 9(3): 147. CrossRef
Effects of Body Weight Control Behaviors on Bone Mineral Density in Korean Young Adult Women
Chae Weon Chung, Suk Jeong Lee
Korean Journal of Women Health Nursing.2013; 19(1): 57. CrossRef

The Effect of Spiritual Well-being on the Mental Health of the Cho-Sun Tribal Women Residing in P.R. of China.: Seung Deuk Cheung, Jong Bum Lee, Jin Sung Kim, Wan Seok Seo, Dai Seg Bai, Soon Jae Park, Yeol Joo, Hyoung Uk Youm, Cheung Yuan Jin, Jiu Miao Jin, Yeung Log Ahn, Da Hong Huang, Mei Zi Biao, Tai Ji Zheng, Chang Lie Zhao; Yeungnam Univ J Med. 2004;21(2):151-166. Published online December 31, 2004; DOI: https://doi.org/10.12701/yujm.2004.21.2.151

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Abstract PDF

BACKGROUND
Spirituality has been an important part of Transpersonal Psychology and is believed to have a large effect on the mental health because it has been systematized. The aim of this study was to determine the level of spiritual disposition on human beings along with its effects on one's mental health. MATERIALS AND METHODS: The study targeted 400 women residing in Youn-Gil city of JiLin Prov., which is a district of the Cho-Sun tribe in China. Their spiritual well-being was studied using the Spiritual Well-being Scale-Korean Version. The spiritual well-being scale consists of 2 sub-scales of religious well-being and existential well-being. The study was evaluated using a lie scale, psychotic trend, and a combined anxiety-depression scale. The results were considered to be factors of one's mental health. The correlation between the spiritual well-being and each tendency was analyzed by regression analysis. RESULTS: The total score of the Cho-Sun tribal women according to the spiritual well-being scale was 68.29 which was much less than the 100.65 of Korean Christian women. There was no significant correlation between the spiritual well-being and the Lie trend. However, it was found that 86% (344) of Cho-Sun tribal women scored above 70 in the Lie trend with a mean score of 74.57 which is higher than normal populations. Regarding the correlation between the spiritual well-being and psychotic trend, the psychotic trend became significantly higher when the religious well-being was at a high level. On the other hand, the psychotic trend became significantly lower when the existential well-being was at a high level. Regarding the correlation between the spiritual well-being and anxiety, the anxiety was significantly higher when the religious well-being was at a high level. However, the anxiety level was significantly low when the existential well-being was at a high level. Regarding the correlation between the spiritual well-being and depression, the depression level was somewhat significantly high when the religious well-being was at a high level. However, the depression level was significantly low when the existential well-being was at a high level. CONCLUSION: This study evaluated the effects of spiritual well-being on a person's mental health among Cho-Sun tribal women in Youn-Gil city of JiLIn Prov., P.R. of China. The results found that the religious well-being, which is a sub-scale of spiritual well-being, had negative effects while the existential well-being had positive effects on the mental health. These results proved that a person's religious disposition had negative effects on their mental health in a communitarian society.

Citations

Citations to this article as recorded by

Spiritual Health in Korean Culture -Q methodological approach-
Hyung Wha Shim
Journal of Korean Academy of Fundamentals of Nursing.2015; 22(2): 129. CrossRef

Factors Affecting to Bone Mineral Density in Postmenopausal Women.: Seung Pil Jung, Keun Mi Lee, Suk Hwan Lee; Yeungnam Univ J Med. 1996;13(2):261-271. Published online December 31, 1996; DOI: https://doi.org/10.12701/yujm.1996.13.2.261

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Abstract PDF

INTRODUCTION: Osteoporosis, the most common metabolic bone disorder, is a condition of reduced bone density and increased susceptibility to fractures. Osteoporosis is a major public health problem and a significant cause of morbidity in postmenopausal women. Therefore family physicians as primary care physicians are in a key position for preventing and treating this disorder. So we studied the factors affecting to bone mineral density in postmenopausal women. MATERIALS AND METHODS: A total of 136 spontaneous postmenopausal women were participated in the study. They have measured spinal bone mineral density by dual energy x-ray absorptiometry from January 1992 to June 1995 at Yeungnam University Hospital. Age, height, weight, age at menarche and menopause, number of child and breast feeding child, history of oral pill ingestion, family history of osteoporosis, amount of milk and coffee ingestion, consumption of tobacco and alcohol and physical activity were assessed by qustionnaire and medical records. RESULTS: physical activity and weight were significant contributors. Physical activity is most the largest contributor. CONCLUSIONS: Among factors affecting to BMD in postmenopausal women, physical activity and weight were more important factors. Therefore continuous physical activity is significant factor to prevent osteoporosis in postmenopausal women.

Citations

Citations to this article as recorded by

The Bone Mineral Density Impact Factors of Adult Women before the Menopause - based on the National Health and Nutrition Examination Survey -
Kyung-Hee Kim, Jung-Hee Lee, Jin-Dong Yeo
Journal of the Korean Society of Radiology.2015; 9(3): 147. CrossRef
The association of dietary quality and food group intake patterns with bone health status among Korean postmenopausal women: a study using the 2010 Korean National Health and Nutrition Examination Survey Data
Gyeongah Go, Zuunnast Tserendejid, Youngsook Lim, Soyeon Jung, Younghee Min, Haeryun Park
Nutrition Research and Practice.2014; 8(6): 662. CrossRef
Association of Bone Mineral Density and Blood Pressure, Calcium Intake among Adult Women in Seoul · Kyunggi Area - Based on 2011 KNHANES -
Jae Ok Koo
Korean Journal of Community Nutrition.2013; 18(3): 269. CrossRef

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