지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 21 - 32 (12page)
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초록· 키워드
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Purpose: The purpose of the present study was to investigate the correlation between age and 34 radiomorphometric parameters on panoramic radiographs, and to provide generalized linear models (GLMs) as a non-invasive, inexpensive, and accurate method to the forensic judgement of living individual’s age.
Methods: The study included 417 digital panoramic radiographs of Korean individuals (178 males and 239 females, mean age: 32.57±17.81 years). Considering the skeletal differences between the sexes, GLMs were obtained separately according to sex, as well as across the total sample. For statistical analysis and to predict the accuracy of the new GLMs, root mean squared error (RMSE) and adjusted R-squared (R²) were calculated.
Results: The adjusted R²-values of the developed GLMs in the total sample, and male and female groups were 0.623, 0.637, and 0.660, respectively (p<0.001), while the allowable RMSE values were 8.80, 8.42, and 8.53 years, respectively. In the GLM of the total sample, the most influential predictor of greater age was decreased pulp area in the #36 first molar (beta=–26.52; p<0.01), followed by the presence of periodontitis (beta=10.24; p<0.01). In males, the most influential factor was the presence of periodontitis (beta=9.20; p<0.05), followed by the number of full veneer crowns (beta=2.19; p<0.001). In females, the most influential predictor was the presence of periodontitis (beta=18.10; p<0.001), followed by the tooth area of the #16 first molar (beta=–11.57; p<0.001).
Conclusions: We established acceptable GLM for each sex and found out the predictors necessary to age estimation which can be easily found in panoramic radiographs. Our study provides reference that parameters such as the area of tooth and pulp, the number of teeth treated, and the presence of periodontitis should be considered in estimating age.
Methods: The study included 417 digital panoramic radiographs of Korean individuals (178 males and 239 females, mean age: 32.57±17.81 years). Considering the skeletal differences between the sexes, GLMs were obtained separately according to sex, as well as across the total sample. For statistical analysis and to predict the accuracy of the new GLMs, root mean squared error (RMSE) and adjusted R-squared (R²) were calculated.
Results: The adjusted R²-values of the developed GLMs in the total sample, and male and female groups were 0.623, 0.637, and 0.660, respectively (p<0.001), while the allowable RMSE values were 8.80, 8.42, and 8.53 years, respectively. In the GLM of the total sample, the most influential predictor of greater age was decreased pulp area in the #36 first molar (beta=–26.52; p<0.01), followed by the presence of periodontitis (beta=10.24; p<0.01). In males, the most influential factor was the presence of periodontitis (beta=9.20; p<0.05), followed by the number of full veneer crowns (beta=2.19; p<0.001). In females, the most influential predictor was the presence of periodontitis (beta=18.10; p<0.001), followed by the tooth area of the #16 first molar (beta=–11.57; p<0.001).
Conclusions: We established acceptable GLM for each sex and found out the predictors necessary to age estimation which can be easily found in panoramic radiographs. Our study provides reference that parameters such as the area of tooth and pulp, the number of teeth treated, and the presence of periodontitis should be considered in estimating age.
목차
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES
참고문헌 (43)
참고문헌 신청
Juneja M / 2014 / Age estimation using pulp/tooth area ratio in maxillary canines-A digital image analysis / J Forensic Dent Sci 6:160~165
Mathew DG / 2013 / Adult forensic age estimation using mandibular first molar radiographs : a novel technique / J Forensic Dent Sci 5:56~59
Ilayaraja V / 2018 / Digitized morphometric analysis using maxillary canine and mandibular first molar for age estimation in South Indian population / Open Dent J 12:762~769
Manjunatha BS / 2014 / Estimation of age from development and eruption of teeth / J Forensic Dent Sci 6:73~76
Fieuws S / 2016 / Obtaining appropriate interval estimates for age when multiple indicators are used : evaluation of an ad-hoc procedure / Int J Legal Med 130:489~499
Mathew DG / 2013 / Adult forensic age estimation using mandibular first molar radiographs : a novel technique / J Forensic Dent Sci 5:56~59
Ilayaraja V / 2018 / Digitized morphometric analysis using maxillary canine and mandibular first molar for age estimation in South Indian population / Open Dent J 12:762~769
Manjunatha BS / 2014 / Estimation of age from development and eruption of teeth / J Forensic Dent Sci 6:73~76
Fieuws S / 2016 / Obtaining appropriate interval estimates for age when multiple indicators are used : evaluation of an ad-hoc procedure / Int J Legal Med 130:489~499
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