నైరూప్య

Determination of Blood Group From the Tooth Material - An Medico Legal Investigative Procedure

Sunitha S and Vidya GD

In medico legal investigations, the blood group could play a vital role in determining the identity of the victim and the criminals behind the act. Aims and objectives: 1. To determine blood groups on dental tissues using Adsorption-Elution technique. 2. Comparison with blood group of blood stained compress of the respective patient Methodology: In-vitro experimental study design. Result and discussion: In the teeth, the presence of blood group antigens is based on infusion sedimentation theory i.e., infusion of water soluble antigens from saliva and blood vessels invading the pulp could be the agents. In our study, we found that the pulp tissue was accurate in the interpretation of A B O blood group, but limited for the hard tissues of the tooth.