Is there relationship between pink teeth phenomenon and cause of death? / 法医学杂志

OBJECTIVE@#To explore the relationship between the pink teeth phenomenon and the cause of death as well as its significance in forensic medicine.@*METHODS@#Inspection method was adopted to observe the pink teeth phenomenon in different causes of death. Ten rats were selected for every experimental groups, which were then divided into two groups: Eight in fresh group with teeth pulled immediately, and two in decayed group with body decayed in water firstly. The teeth pulled from rats were immersed in 75% alcohol and observed at different immersion time.@*RESULTS@#In every fresh groups, pink teeth phenomenon was not observed when they were pulled immediately, whereas it emerged gradually after the teeth immersed in 75% alcohol, and the color showed distinct and constant four hours later. In decayed groups, Pink teeth phenomenon was observed immediately when teeth pulled, it became distinct and constant after one hour's immersion in alcohol. So it was more distinctive in the decayed groups than that in the fresh groups.@*CONCLUSION@#There is no significant connection between the pink teeth phenomenon and the cause of death, thus it may not be subject to forensic identification.

Research & development on computer expert system for forensic bones estimation / 法医学杂志

OBJECTIVE@#To build an expert system for forensic bones estimation.@*METHODS@#By using the object oriented method, employing statistical data of forensic anthropology, combining the statistical data frame knowledge representation with productions and also using the fuzzy matching and DS evidence theory method.@*RESULTS@#Software for forensic estimation of sex, age and height with opened knowledge base was designed.@*CONCLUSION@#This system is reliable and effective, and it would be a good assistant of the forensic technician.