Related Experiment Video
Updated: Jul 13, 2026

06:51
Measuring the Complete-arch Distortion of an Optical Dental Impression
Published on: May 30, 2019
Development of new software as a convenient analysis method for dental microradiography
Yasuhiro Matsuda1, Yukie Murata, Toru Tanaka
1Division of Oral Health Science, Department of Restorative Dentistry, Hokkaido University Graduate School of Dental Medicine, Kita 13, Nishi 7, Kita-ku, Sapporo, 060-8586, Japan. matsuda@den.hokudai.ac.jp
Dental Materials Journal
|August 19, 2007
Summary
A new software tool was developed to precisely measure tooth enamel mineralization. This program reliably analyzes mineral loss and lesion depth, aiding dental research and caries studies.
Area of Science:
- Dental Research
- Biomaterials Science
- Computational Biology
Background:
- Accurate assessment of tooth enamel mineralization is crucial for understanding dental caries and evaluating treatments.
- Existing methods for analyzing enamel demineralization and remineralization can be complex and time-consuming.
Purpose of the Study:
- To develop a user-friendly software tool for detailed calculation of tooth mineralization status.
- To validate the program's accuracy using Transverse Microradiography (TMR) data.
Main Methods:
- Development of a program using Visual Basic for Applications and Microsoft Excel.
- Digitalization of TMR images using a CCD camera and a digital film scanner.
- Application of Angmar's formula to calculate mineral content profiles, mineral loss (DeltaZ), lesion depth (Ld), and other parameters.
Main Results:
- The program successfully calculated key mineralization parameters including DeltaZ, Ld, surface zone depth (SZd), and lesion body depth (LBd).
- It also quantified the outer surface zone (OSZ), inner lesion body (ILB), and sandwich area (SA).
- Data consistency was observed between measurements obtained using both CCD camera and digital film scanner inputs.
Conclusions:
- The developed software provides a reliable and convenient tool for quantitative analysis of tooth enamel mineralization.
- This program facilitates detailed research into demineralization and remineralization processes in dental enamel.
- The tool enhances the precision and efficiency of analyzing tooth enamel health and disease progression.

