Garidkhuu, Ariuntuul

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Development of formulae for dental age estimation using digital radiographs in the Mongolian population
(Elsevier BV, 2023-05)
Tsogtsaikhan, Khongorzul
;
Hatano, Yuka
;
Kosaka, Moe
;
Yoshida, Kie
;
Minjuur, Tserenbat
This study aimed to examine the applicability of the pulp/tooth ratio (PTR) method for age estimation in Mongolian populations using panoramic radiographs and derive new regression formulae. Moreover, we aimed to assess the accuracy of these formulae in other subjects from the Mongolian population and compare them with the other formulae derived from different Asian populations. The total sample size of the study was 381. The formulae were derived from the examination of panoramic radiographs of 271 individuals aged 15-62 years. Following Cameriere's method, PTR was calculated for the upper and lower canine teeth. Linear regression analyses were performed between the actual age and that obtained from upper-lower canine PTR and established formulae for age estimation. To verify the formulae, two types of test samples were collected: 73 panoramic radiographs and 37 periapical radiographs. The estimated age was calculated using our new formulae and three other formulae derived from Asian populations. The correlation coefficient between the actual age and that obtained by PTR was significantly negative for both canines. According to our new regression formulae, the differences between the estimated age and actual age showed a bell-shaped curve distribution in both test groups. While using the other formulae derived from the Asian population, the distribution patterns obtained were significantly different in the Mongolian population. This study was the first to examine the relationship between actual age and PTR in Mongolian population, and these results advance the field of forensic science in Mongolia.
Scopus© Citations 3
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Inequalities in Caries Experience Among Mongolian Children
(2019-10)
Chinzorig, Tselmuun
;
Aida, Jun
;
Cooray, Upul
;
Nyamdorj, Tsengelsaikhan
;
Mashbaljir, Soyolmaa
Although inequalities in dental caries have been well-reported, there is only one Mongolian study on the association between socioeconomic status (SES) and caries experience, which was published ten years ago. This study aimed to determine the dental health status of Mongolian children living in urban and suburban areas of Ulaanbaatar city and examine its association with income and parental educational attainment. An oral examination was conducted by dentists and caries were measured as deft/DMFT indices. A questionnaire including demographic characteristics and socioeconomic status was completed by their parents or caregiver. Parental educational attainment and household income were used as the measures of SES. The relative index of inequality (RII) and slope index of inequality (SII) were employed to examine the association between SES on deft and DMFT after adjusting for covariates. Dental caries prevalence (those with deft/DMFT > 0) was 89.3% among the total number of participants. The mean deft/DMFT values for age groups 1-6, 7-12, and 13-18 were 5.83 (SD = 4.37, deft), 5.77 (SD = 3.31, deft/DMFT), and 3.59 (SD = 2.69, DMFT), respectively. Rather than residence area and parental educational attainment, significant caries experience inequality was observed in relation to income (RII 0.65 95%, CI 0.52 to 0.82, SII -2.30, 95% CI -4.16 to -0.45). A prevention strategy for lower socioeconomic groups and building integrated oral health surveillance to monitor epidemiological trends for further evaluation of its progress is necessary.
Scopus© Citations 13
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An Intelligent Remote Consultation System for Oral Prevention in Children: A Case Study in Mongolia
(2023-12-08)
Lijuan Ren
;
Randa Cheima Bendjeddou
;
Giacomo Kahn
;
Aïcha Sekhari
;
Bat-Erdene Myagmar
Children's dental caries is a common oral health issue, causing pain and discomfort. Therefore, oral health plays a crucial role in children's growth and development. However, regular dental check-ups and consultations are burdensome and expensive for parents, especially for Mongolian children with uneven access to healthcare. To address this issue, we developed an intelligent remote consultation system for children's dental prevention, which utilizes advanced technologies like risk assessment and image recognition for automated oral risk analysis and cavity localization. Subsequently, we conducted experiments and analyses based on data collected from the initial phase in Mongolia, showing the potential of the system to improve children's oral health. However, the system's precision is restricted by the small amount of data. Expanding data collection will be the focus of future efforts to improve system performance and further improve this creative solution.
Scopus© Citations 1

Garidkhuu, Ariuntuul

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