An Application Study of DPSSL Multi-Line Scanning on Teeth Model

Chia Ching Wang; Po Chi Hu; Chung Li Tsai; Sung Long Chen

doi:10.4028/www.scientific.net/AMR.711.513

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 711An Application Study of DPSSL Multi-Line Scanning...

An Application Study of DPSSL Multi-Line Scanning on Teeth Model

Abstract:

A dental scanning system was developed using multiple light strips of DPSSL (Diode-Pumped Solid-State Laser) sources with a video capturing module of one CMOS camera. The laser line scanning method is less sensitive to the surface conditions of the materials for measurement compared with the structured light scanning method, and a multi-lines scanning design is used to improve the scanning efficiency. The study uses DPSSL lines to scan over the teeth models either by sequence or by sections, which determines the actual time spent. For an object within 100x100mm projective area, the scanning time is about 10 minutes with ±0.05 mm accuracy on a gypsum teeth model using sequential scanning. The results show high accuracy and efficiency scanning teeth models with multi-lines projecting module integrated within, and is possible for further improvement in the growing digital-dental industry.

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Periodical:

Advanced Materials Research (Volume 711)

Pages:

513-517

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.711.513

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Online since:

June 2013

Authors:

Chia Ching Wang, Po Chi Hu, Chung Li Tsai, Sung Long Chen

Keywords:

3-D Profile Measurement, Calibration, Multi-Line Source, Scanning, Teeth Model

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