Identification of blood group from the saliva and calculus for the Purpose of individual identification would play a significant role in a practical legal medicine.
The auther made a study of blood group with the saliva and in non-secretor type with dental cakulM,e The following results were obtained.
L In the blood typing with saliva obtained from 500´ people, secretor type was found22.4%and non-secrlkr type was found 27.6%. .
2. In Sexual difference, secretor type 70.9%. non-secretor type 29.1% in male and secretor type non-secretor type 262% in female were found.
3. In blood group difference, secretor type 802% nonsecretor type 19.8´ in A blood group, secretor 70.
4%, nonsecretor type 29.6% in B blood group, secretor type 66.7%o nonsecretor type 33.3% in AB blood
group, secretor type 68.2% nonsecretor type 31.8% In 0 blood group were found.
4. The blood group identification with dental calculus in nonsecretor type proved to be possible.
5. The blood group substance was found in the composition of dental calculus itself regardless of that in
saliva.
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