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A comparative evaluation between cheiloscopic patterns and the permanent molar relationships to predict the future

Vignesh Ravindra1, C Vishnu Rekha1, Sankar Annamalai1

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Cheiloscopy, the study of lip prints, can help predict malocclusions. Specific lip print patterns correlate with different molar relationships in permanent dentition.

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Area of Science:

  • Dentistry
  • Forensic Odontology
  • Genetics

Background:

  • Assessing correlations between cheiloscopic patterns and permanent molar relationships.
  • Investigating the potential of lip prints as a diagnostic tool in orthodontics.

Purpose of the Study:

  • To evaluate the association between various lip print patterns and Angle's classification of molar relationships.
  • To determine if lip prints can predict malocclusions in adolescents.

Main Methods:

  • Recruited 300 adolescents (14-16 years old) with fully erupted second permanent molars.
  • Recorded molar terminal plane and analyzed lip prints using the lipstick-cellophane method.
  • Classified lip print patterns based on Tsuchihashi and Suzuki criteria.

Main Results:

  • Type II (branched) was the most common lip print pattern.
  • Specific patterns correlated with Angle's classifications: Type I for Class I, Type IV for Class II, and Type IV (presence)/Type I' (absence) for Class III.
  • Class III malocclusion showed a higher prevalence of Type II in males and Type IV in females.

Conclusions:

  • Cheiloscopy offers a potential alternative to dermatoglyphics for predicting malocclusions.
  • Further research with larger sample sizes is needed to confirm significant correlations.
  • Lip print analysis may aid in early detection and management of dental malocclusions.