Tooth decay detection using a fiber optic sensor

Authors

  • Eberto Benjumea-Mendoza Universidad Popular del Cesar
  • Leonardo Díaz Universidad Popular del Cesar
  • César Torres Universidad Popular del Cesar

DOI:

https://doi.org/10.17533/udea.rfo.v29n2a9

Keywords:

Dental caries, Optical fibers, Optical sensors

Abstract

Introduction: tooth decay has become one of the most prevalent diseases worldwide, but ironically it is one of the most neglected. Currently, adequate and effective caries treatment is based on early diagnosis and procedures such as sealants, crowns, and root canal treatment. Methods: This study examined the behavior of carious and non-carious areas of critical dental units (premolars and molars) subjecting them to a wavelength of 830 nm in adult humans who agreed to a dental exam and had at least one tooth affected by dental caries. Underage persons and patients in medical treatment were excluded. After finding a behavior that helped differentiate decayed tissue from healthy areas, the used experimental system was characterized and tested in volunteers. The implemented system contains a fiber optic sensor comprised of a trifurcated fiber and a photodetector to perform optical power measurements. Results: This sensor detected 100% of dental caries samples on premolar and molar occlusal surfaces. It also showed the ability to diagnose buccal cavities. Conclusions: The results showed that caries can be identified in dental units by means of a fiber optic sensor and infrared light at 830 nm.

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Author Biographies

Eberto Benjumea-Mendoza, Universidad Popular del Cesar

Electronic Engineer, Colciencias young researcher and innovator, Grupo de Óptica e Informática, Universidad Popular del Cesar, Valledupar, Colombia

Leonardo Díaz, Universidad Popular del Cesar

Electronic Engineer, MEd in Teaching of the Exact and Natural Sciences, Adjunct Professor, Electronic Engineering Program, School of Engineering and Technology, Grupo de Óptica e Informática, Universidad Popular del Cesar, Valledupar, Colombia

César Torres, Universidad Popular del Cesar

BA in Physics, MS in Physics, Doctor in Natural Sciences, Professor, Mathematics and Physics Program, School of Basic Sciences and Education, Grupo de Óptica e Informática, Universidad Popular del Cesar, Valledupar, Colombia

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Published

2018-05-17

How to Cite

Benjumea-Mendoza, E., Díaz, L., & Torres, C. (2018). Tooth decay detection using a fiber optic sensor. Revista Facultad De Odontología Universidad De Antioquia, 29(2), 405–419. https://doi.org/10.17533/udea.rfo.v29n2a9