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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 4, Iss. 10 — Oct. 1, 2013
  • pp: 2124–2137

Accelerated measurement of perikymata by an optical instrument

Imen Elhechmi, José Braga, Gautam Dasgupta, and Tijani Gharbi  »View Author Affiliations

Biomedical Optics Express, Vol. 4, Issue 10, pp. 2124-2137 (2013)

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The proposed device considerably reduces the measuring time of important microscopic features of tooth crown surfaces. The instrumentation is accompanied by a computer program to analyse the results. Tooth enamel is formed by ameloblasts, which demonstrate daily secretory rhythms developing tissue-specific structures known as cross striations, and longer period markings that are referred as striae of Retzius. These striae correspond to linear structures on the enamel surface. This newly developed optical measuring instrument can automatically, precisely and accurately record the number and periodicity of perikymata on the dental crown. Furthermore it can characterize the variability in periodicity of perikymata in hominids. The depth of field can be extended as desired by taking several images with different focus positions and combining them into a single composite image that contains all regions fully focused.

© 2013 OSA

OCIS Codes
(120.2830) Instrumentation, measurement, and metrology : Height measurements
(120.4820) Instrumentation, measurement, and metrology : Optical systems
(120.6660) Instrumentation, measurement, and metrology : Surface measurements, roughness
(170.0110) Medical optics and biotechnology : Imaging systems
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.1850) Medical optics and biotechnology : Dentistry
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.5810) Medical optics and biotechnology : Scanning microscopy
(240.5770) Optics at surfaces : Roughness

ToC Category:
Dentistry Applications

Original Manuscript: June 3, 2013
Revised Manuscript: August 1, 2013
Manuscript Accepted: August 4, 2013
Published: September 12, 2013

Virtual Issues
Bio-Optics: Design and Applications (2013) Biomedical Optics Express

Imen Elhechmi, José Braga, Gautam Dasgupta, and Tijani Gharbi, "Accelerated measurement of perikymata by an optical instrument," Biomed. Opt. Express 4, 2124-2137 (2013)

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