Journal of Yeungnam Medical Science

Tae-Yoon Hwang

4 Articles

Incidence and severity of medication-related osteonecrosis of the jaw in patients with osteoporosis using data from a Korean nationwide sample cohort in 2002 to 2019: a retrospective study: Su-Youn Ko, Tae-Yoon Hwang, Kiwook Baek, Chulyong Park; J Yeungnam Med Sci. 2024;41(1):39-44. Published online January 3, 2024; DOI: https://doi.org/10.12701/jyms.2023.01116

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Abstract PDF: Background
Medication-related osteonecrosis of the jaw (MRONJ) is a significant concern, particularly among patients taking bisphosphonates (BPs), denosumab, and selective estrogen receptor modulators (SERMs) for osteoporosis. Despite the known risks, large-scale cohort studies examining the incidence and severity of MRONJ are lacking. We aimed to ascertain the incidence and risk of MRONJ among these patients, whom we stratified by age groups, medication types, and duration of use.
Methods
We utilized data from the National Health Insurance Service’s sample cohort database, focusing on patients aged 40 years and above diagnosed with osteoporosis. The patients were divided into three groups: those prescribed BPs only, those prescribed SERMs only, and those prescribed both.
Results
The overall incidence rate of MRONJ was 0.17%. A significantly higher incidence rate was observed among those taking osteoporosis medications, particularly among females with a relative risk of 4.99 (95% confidence interval, 3.21–7.74). The SERM group also had an incidence rate comparable to that of the BP group. Severity was assessed based on the invasiveness of the treatment methods, with 71.3% undergoing invasive treatment in the medication group.
Conclusion
This study provides valuable insights into the incidence and severity of MRONJ among a large cohort of patients with osteoporosis. It underscores the need for comprehensive guidance on MRONJ risks across different medication groups and sets the stage for future research focusing on specific populations and treatment outcomes.

Effects of early clinical and basic laboratory exposure program on premedical students: a questionnaire survey: Kyu Hyang Cho, Hyun Sook Ko, Kyung Hee Lee, Tae-Yoon Hwang, Keun-Mi Lee, Sae Yoon Kim, Min Cheol Chang; J Yeungnam Med Sci. 2022;39(4):309-313. Published online July 20, 2022; DOI: https://doi.org/10.12701/jyms.2022.00318

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Abstract PDF: Background
Because premed students do not take courses related to medicine during their first 2 years, they cannot establish their identity as students at medical schools, making it difficult for them to set goals as future doctors. We conducted an early clinical and basic laboratory exposure program for premed students and studied the effects of the program and student satisfaction levels.
Methods
We performed an early clinical and basic laboratory exposure program for premed students for 2 days and evaluated the effects of the program and student satisfaction with it. The program consisted of two types: type 1, where two to four students formed a group, which was assigned to a particular department to participate and make observations during ward rounds, outpatient clinics, examinations, procedures, and surgeries (in the case of basic laboratory work, the students partook in experimental observations); and type 2, where one student followed a medical school professor to observe the professor’s day. After the program ended, an online survey was conducted to investigate the effects on students, their thoughts, and satisfaction levels.
Results
In total, 114 students (91.2%) responded to the survey. Approximately 94% of them were satisfied with the program. They found that the program would be useful for deciding on future career paths, gaining knowledge about a department of interest, studying for a medical program after premedical studies, and befriending residents and professors in certain departments.
Conclusion
Early clinical and basic laboratory exposure programs are recommended for premedical students.

Awareness of occupational hazards and personal protective equipment use among dental hygienists: Hyun-Ju Choi, Tae-Yoon Hwang, Man-Joong Jeon; Yeungnam Univ J Med. 2019;36(1):20-25. Published online December 21, 2018; DOI: https://doi.org/10.12701/yujm.2019.00052

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Abstract PDF

Background
The aim of this study was to evaluate the awareness of occupational hazards and personal protective equipment use among dental hygienists (DHs).
Methods
A total of 271 self-administered questionnaires were obtained from 280 DHs working at dental hospitals or clinics in Daegu and Gyeongsangbuk-do, Korea.
Results
The occupational hazards included work involving dust (94.1%), volatile substances (86.0%), noise (97.0%), and light-curing units (96.7%). The proportion of dental hygiene tasks that participants perceived as harmful were 42.4%, 51.7%, 9.2%, and 31.4% in the same order as above. The proportion of participants who used dust-proof masks during work involving dust was 1.1%. Those who wore gas-proof masks and gloves for work using volatile substances were 0.7% and 31.2%, respectively. Participants who used goggles for work involving light-curing units were 31.0%. None of the participants used ear plugs for work involving noise. A total of 22.9% of the participants recognized the Material Safety Data Sheet, while 79.7% had never been educated about harmful work environments.
Conclusion
When compared to exposure status and perception of occupational hazards, the level of protective equipment use was very low. Extra measures to increase DHs’ use of personal protective equipment are necessary.

Citations

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Usage Patterns of Oral Care Products of Dental Patients: Myung-Ok Jeung, Pock-Soo Kang, Kyeong-Soo Lee, Tae-Yoon Hwang; Yeungnam Univ J Med. 2007;24(2 Suppl):S319-329. Published online December 31, 2007; DOI: https://doi.org/10.12701/yujm.2007.24.2S.S319

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Abstract PDF

Purpose or Background：This study was performed to identify the usage patterns of oral care products of the patients visiting a National University dental clinic. Materials and Methods：A questionnaire survey was administered to 298 patients visiting the K dental department based in Daegu during the period from December 10, 2005 through January 30, 2006.
Results
：Of total respondents, 42.3% used moderate toothbrush or soft toothbrush, 53.7% replaced their toothbrush every two or three months. Patients with periodontal diseases were aware of 2.1 devices and currently used 1 device out of 10 auxiliary oral hygiene devices recommended by dentist. Spacing patients were aware of 1.8 devices and currently use 1 device out of 3 auxiliary oral hygiene devices recommended by dentist. Patients wearing a fixed dental prosthesis were aware of 2.6 devices and currently used 1.6 devices out of 8 auxiliary oral hygiene devices. Those who received dental implant procedure were aware of 2.9 devices and currently used 1.5 devices out of 6 auxiliary oral hygiene devices. Those with orthodontic problems were aware of 2.7 devices and currently used 1.8 devices out of 6 devices, showing a higher level of awareness on oral hygiene devices. Those wearing dentures recognized 0.6 device and currently used 0.3 device out of 3, showing a lower level of awareness and usage. Of total respondents, 70.2% citied “no knowledge of oral care products” as the reason for not using any oral care product, which was followed by “no one recommended that for me” (15.8%) and “cannot be sure about efficacy” (11.4%). These findings underscore the need for recommending the use of oral care products when a patient sees the dentist.
Conclusion
：Given a significant association between oral health education and the use of auxiliary oral care products, it is important to promote oral health education among dental patients.

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The Korean Journal of Health Service Management.2015; 9(4): 91. CrossRef
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