Related Experiment Video
Updated: Mar 18, 2026
Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
Duplication of complete dentures using general-purpose handheld optical scanner and 3-dimensional printer:
Kosuke Kurahashi1, Takashi Matsuda1, Takaharu Goto1
1Department of Oral and Maxillofacial Prosthodontics, Tokushima University Graduate School of Biomedical Sciences, Japan.
Purpose:
To introduce a new clinical procedure for fabricating duplicates of complete dentures by bite pressure impression using digital technology, and to discuss its clinical significance.
Methods:
The denture is placed on a rotary table and the 3-dimensional form of the denture is digitized using a general-purpose handheld optical scanner. The duplicate denture is made of polylactic acid by a 3-dimensional printer using the 3-dimensional data.
Conclusion:
This procedure has the advantages of wasting less material, employing less human power, decreasing treatment time at the chair side, lowering the rates of contamination, and being readily fabricated at the time of the treatment visit.
