COMPARISON OF PALATAL RUGAE WITH DIRECT AND INDIRECT BLOOD GROUPING

Puranik Srikala*, Puranik Shivakumar, Sangewar Amol, Mayer Karishma, Khemaria Gaurav and Babhulgaonkar Gauri

ABSTRACT

Introduction: Over several years palatal rugae patterns and ABO blood group system were proved beneficial in forensic science. The antigens present in the blood are also found in saliva from which blood groups can be determined. Aim: To study different palatal rugae patterns and compare it with distinct ABO blood groups by direct and indirect blood grouping methods. Materials and Methods: The study sample consisted of 50 males and 50 females students from S.N. Dental College, Kalaburgi aging 18- 25 years. Palatal rugae of all individuals was studied by alginate impressions. Blood groups and blood antigens in saliva were determined by slide agglutination and absorption inhibition methods respectively. Results were stastistically analysed by chi-square test. Results: Both males and females showed predominantly wavy rugae shape followed by straight, curved and circular and more number of rugae on the left side of the palate. In males all the blood groups have predominant wavy rugae shape except O +ve which has major straight rugae shape. In female group, wavy rugae shape was predominant in blood groups A, B, AB and AB-ve. Straight rugae shape was predominant in blood group O and O- ve Secretor status was 96% in females and 94% in males. Blood group AB disclosed 100% secretor status for both gender. Conclusion: In the present study we have found correlation between palatal rugae and blood groups in both males and females. Thus palatal rugae evaluation and its association with direct and indirect blood grouping were proved beneficial in forensic science.

Keywords: Palatal rugae, blood and palatal rugae, common palatal rugae.