International Journal of Clinical Pediatric Dentistry

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VOLUME 9 , ISSUE 4 ( October-December, 2016 ) > List of Articles

Original Article

Blood Group Determination using DNA extracted from Exfoliated Primary Teeth at Various Time Durations and Temperatures: A PCR Study

Reshma Kochikar Pai, Sham S Bhat, Afreen Salman, Sundeep Hegde

Keywords : ABO, Blood grouping, Human identification, Polymerase chain reaction, Primary tooth, Pulp

Citation Information : Kochikar Pai R, Bhat SS, Salman A, Hegde S. Blood Group Determination using DNA extracted from Exfoliated Primary Teeth at Various Time Durations and Temperatures: A PCR Study. Int J Clin Pediatr Dent 2016; 9 (4):308-312.

DOI: 10.5005/jp-journals-10005-1383

License: CC BY-NC 4.0

Published Online: 00-12-2016

Copyright Statement:  Copyright © 2016; Jaypee Brothers Medical Publishers (P) Ltd.


Abstract

Aim: To determine polymerase chain reaction (PCR)-based blood group on tooth pulp obtained from teeth stored for 1 month, 6 months, and 1 year following extraction and to evaluate the stability of deoxyribonucleic acid (DNA) in primary tooth subjected to a temperature of 200°C ± 5°C for 15 minutes. Materials and methods: Dental pulp tissue was collected from 40 exfoliated primary teeth stored for various time durations and temperature and preserved at 4°C till DNA extraction was carried out. Deoxyribonucleic acid was extracted using silica membrane-based spin-column procedure of QIAamp DNA minikit from BioRad. Deoxyribonucleic acid was subjected to PCR amplification and monoplex allele-specific PCR primers for ABO genotyping. Statistical analysis used: The data were analyzed by comparison (based on percentage). Results: In our study, overall, 85% samples showed a DNA yield. Cent percent results were obtained for samples studied at the end of 1 month followed by 90 and 80% for samples studied for 6 months and 1 year respectively. Heated samples showed 70% result. Conclusion: Polymerase chain reaction was found to be an effective method for blood group determination for teeth stored at various time durations and temperatures. However, as the time interval increased, the number of positive results obtained decreased. How to cite this article: Pai RK, Bhat SS, Salman A, Hegde S. Blood Group Determination using DNA extracted from Exfoliated Primary Teeth at Various Time Durations and Temperatures: A PCR Study. Int J Clin Pediatr Dent 2016;9(4):308-312.


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