Determination of ABO Blood Group and Rhesus factor from Tooth Pulp

Teeth can survive for a long time even after soft and skeletal tissues have been destroyed. The use of blood group substance in an individual remains unchanged throughout his life. The presence of ABO blood grouping makes it possible to determine the blood group and thereby assist in identifying even a highly decomposed body. To determine the ABO blood grouping from socket blood & extracted teeth by using absorption elution technique. Also To compare the blood group and Rhesus factor obtained from pulp with the blood obtained from extraction socket of respective patient. In results blood group and rhesus factor obtained from pulp and blood obtained from extraction socket of respective patient showed positive correlation. In conclusion Blood group identification from hard tissues of teeth aids in the identification of an individual which has high importance in forensics.