Morphological changes in palatal rugae patterns following orthodontic treatment

Journal of Forensic and Legal Medicine
Ayman G MustafaRawan M Alshehab

Abstract

This study investigated the morphometric changes that occur in palatal rugae during orthodontic treatment. The potential impact of these changes on the individuality of the palatal rugae patterns and on the use of palatal rugae patterns in human identification was also explored. Fifty pairs of pre- and post-orthodontic treatment dental casts were used. The palatal rugae patterns were compared between each pre-treatment cast and its post-treatment counterpart to reveal any morphometric changes. In addition, the individuality of the pre- and post-treatment sets of the casts was evaluated. Finally, a matching test of the palatal rugae patterns was performed in which the ability to match each post-treatment cast with its duplicate was compared with the ability to match that post-treatment cast with its pre-treatment counterpart. Statistical analysis of the results revealed the incidence of several morphometric changes, including segmentation (22%); unification (20%); changes in orientation (6%), shape (6%), and length (28%); anteroposterior displacement of the medial (54%) and lateral (60%) end of the ruga; and mediolateral displacement of the medial end of ruga (20%). The individuality of the palatal rugae patterns was confirmed i...Continue Reading

References

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Citations

Aug 28, 2015·The Open Dentistry Journal·Kewal KrishanArun K Garg
Jul 22, 2020·Journal of Forensic Sciences·Jun Ai ChongAllan Pau
Feb 1, 2020·Forensic Sciences Research·Alex Forrest
Feb 28, 2019·International Journal of Dentistry·Ayman G MustafaAhmad A Altarifi
Feb 15, 2021·Journal of Oral Biosciences·Hayato OhshimaNorio Amizuka

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