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Eruption of posterior teeth in the maxilla and mandible for age determination of water deer

Authors
 Hyejin Seo  ;  Jinsun Kim  ;  Hong Seomun  ;  Jae Joon Hwang  ;  Ho-Gul Jeong  ;  Jae-Young Kim  ;  Hee-Jin Kim  ;  Sung-Won Cho 
Citation
 ARCHIVES OF ORAL BIOLOGY, Vol.73 : 237-242, 2017 
Journal Title
 ARCHIVES OF ORAL BIOLOGY 
ISSN
 0003-9969 
Issue Date
2017
MeSH
Age Determination by Teeth/methods* ; Animals ; Deer/physiology* ; Female ; Jaw/anatomy & histology ; Jaw/diagnostic imaging ; Male ; Mandible/anatomy & histology* ; Mandible/diagnostic imaging ; Maxilla/anatomy & histology* ; Maxilla/diagnostic imaging ; Sex Factors ; Skull/anatomy & histology ; Tooth Eruption/physiology* ; Tooth, Deciduous/diagnostic imaging ; Tooth, Deciduous/physiology
Keywords
Age determination ; Eruption ; Replacement ; Teeth ; Water deer
Abstract
OBJECTIVE: Eruption of posterior teeth, including premolars and molars in the mandible rather than in the maxilla, is accepted as an accurate reference for age determination of deer. In water deer, Hydropotes inermis, the eruption age of mandibular molars has been described in two studies, but the ages were inconsistent with each other. In this study, we aimed to confirm the eruption age of mandibular posterior teeth for the accurate age determination of water deer and to evaluate the efficacy of maxillary posterior teeth for the age determination of deer. DESIGN: The eruption of mandibular and maxillary posterior teeth was investigated in the dry skulls of individual wild water deer of both sexes, up to an age of about 15 months. RESULTS: The eruption age of mandibular molars in water deer was consistent with that of a previous study. The eruption age of posterior teeth was almost the same in the maxilla and mandible of individual water deer. The deciduous mandibular fourth premolar and the permanent maxillary fourth premolar were two easiest teeth to be identified for the age determination. CONCLUSIONS: The former controversial eruption age of mandibular posterior teeth in water deer was confirmed. Our study first presented the eruption age of maxillary posterior teeth in water deer. It is suggested that posterior teeth not only in the mandible but also in the maxilla are useful indicators for the age determination of water deer.
Full Text
http://www.sciencedirect.com/science/article/pii/S0003996916302977
DOI
10.1016/j.archoralbio.2016.10.020
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Dept. of Oral and Maxillofacial Radiology (영상치의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Jin Sun(김진선) ORCID logo https://orcid.org/0000-0002-5089-3711
Kim, Hee Jin(김희진) ORCID logo https://orcid.org/0000-0002-1139-6261
Jeong, Ho Gul(정호걸)
Cho, Sung Won(조성원) ORCID logo https://orcid.org/0000-0001-7505-9769
Hwang, Jae Joon(황재준)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/154278
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