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
- 2025.1
- 수록면
- 85 - 95 (11page)
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초록· 키워드
오류제보하기
Importance: Accurate age estimations in dogs are essential for various veterinary and clinical applications. Traditional methods based on dental appearance are error-prone because of external influences, necessitating the development of more precise methodologies.
Objective: This study examined the association between chronological age and pulp to tooth (P/T) volume ratio in dogs using computed tomography (CT) of the right maxillary canine and right maxillary fourth premolar (PM4) teeth.
Methods: Ninety-five canine skulls, aged five to 216 months, were examined using a two-slice CT scan machine. Volumetric analyses of the right maxillary canine and PM4 were performed. Statistical analysis, including Spearman's correlation and regression analysis, was conducted to assess the relationship between age and the P/T volume ratio.
Results: This study included 60 male and 35 female dogs, with no significant age difference between genders (p = 0.655). A strong negative correlation was observed between age and the P/T volume ratio for the right maxillary canine (r = 0.88, p < 0.001) and PM4 (r = 0.77, p < 0.001) teeth. Logarithmic regression models provided a better fit for age prediction (R² = 0.78 for the right maxillary canine, R2 = 0.67 for PM4) compared to linear models.
Conclusions and Relevance: CT-based volumetric analysis of the P/T ratio in the right maxillary canine and PM4 teeth offers a precise, non-invasive method for estimating the age of dogs. This technique can improve the accuracy of age estimations, particularly in forensic and clinical settings, providing valuable insights for veterinarians and researchers.
Objective: This study examined the association between chronological age and pulp to tooth (P/T) volume ratio in dogs using computed tomography (CT) of the right maxillary canine and right maxillary fourth premolar (PM4) teeth.
Methods: Ninety-five canine skulls, aged five to 216 months, were examined using a two-slice CT scan machine. Volumetric analyses of the right maxillary canine and PM4 were performed. Statistical analysis, including Spearman's correlation and regression analysis, was conducted to assess the relationship between age and the P/T volume ratio.
Results: This study included 60 male and 35 female dogs, with no significant age difference between genders (p = 0.655). A strong negative correlation was observed between age and the P/T volume ratio for the right maxillary canine (r = 0.88, p < 0.001) and PM4 (r = 0.77, p < 0.001) teeth. Logarithmic regression models provided a better fit for age prediction (R² = 0.78 for the right maxillary canine, R2 = 0.67 for PM4) compared to linear models.
Conclusions and Relevance: CT-based volumetric analysis of the P/T ratio in the right maxillary canine and PM4 teeth offers a precise, non-invasive method for estimating the age of dogs. This technique can improve the accuracy of age estimations, particularly in forensic and clinical settings, providing valuable insights for veterinarians and researchers.
목차
ABSTRACT
INTRODUCTION
METHODS
RESULTS
DISCUSSION
REFERENCES
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