Abstract：
:We have studied the correlation between the level of D-aspartic acid in dentin and the period of dentin formation in different types of teeth from the same individual. Except for the third molar, it is generally agreed that the formation of permanent dentin follows the pattern of growth, occurring earliest in the first molar and last in the second molar. In middle-aged individuals, racemization among the different types of teeth was highest in the first molar, corresponding to the earliest period of dentin formation. In elderly individuals, however, racemization tended to be highest in the second molar, in which dentin is formed last during growth. It is assumed that this may be due to the higher ambient temperature of the second molars, which are located deeper in the oral cavity. Thus, these results suggest that in elderly individuals racemization in teeth that have been situated deep in the oral cavity for a long time is more influenced by the environment than by the period of tooth formation.
journal_name
Int J Legal Medjournal_title
International journal of legal medicineauthors
Ohtani S,Ito R,Yamamoto Tdoi
10.1007/s00414-003-0365-8subject
Has Abstractpub_date
2003-06-01 00:00:00pages
149-52issue
3eissn
0937-9827issn
1437-1596journal_volume
117pub_type
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journal_title：International journal of legal medicine
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