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Year : 2013  |  Volume : 5  |  Issue : 5  |  Page : 43-47

Morphology of palatal rugae patterns among 5-15 years old children

1 Department of Pedodontics, K.S.R. Institute of Dental Science and Research, Thokavadi, Namakkal, Tamil Nadu, India
2 Department of Orthodontics and Dentofacial Orthopedics, Faculty of Dentistry, Rajah Muthiah Dental Collage and Hospital, Annamalai Nagar, Chidambaram, Tamil Nadu, India

Correspondence Address:
Vilvanathan Prabu Rajan
Department of Pedodontics, K.S.R. Institute of Dental Science and Research, Thokavadi, Namakkal, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-7406.113295

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Introduction: "The fibers running anteroposteriorly within the core and in concentric curves across the base of each rugae" determine their orientation and forms. The varying shapes of palatal rugae can be attributed to the fact that rugae develop as localized regions of epithelial proliferation and thickening. Fibroblasts and collagen fibers then accumulate in the connective tissue beneath the thickened epithelium and assume distinct orientation. Aim: The aim of the present study was to assess the morphology, gender difference of rugae pattern in 5-15 year old children. Materials and Methods: The various diagnostic dental stone cast available in Department of Pedodontics were analyzed by the method based on Thomas and Kotze classification in 1983. Results: There was a female prediction in the total count and primary rugae pattern. Comparing the shapes of rugae both in male and female study models showed a predominance in wave shape followed by cure. No circular pattern was observed in the study population. No statistical difference in the direction and unification of rugae among males and females. Conclusion: The fingerprint-like uniqueness of rugae to each individual has become accepted as a possible aid to person identification. This may help narrow the field for identification and give results in conjunction with the other methods such as visual, fingerprints, and dental characteristics in forensic sciences.

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