Application of an intraoral scanner for dental health guidance

DOI
  • TANI Akina
    Osaka Dental University Graduate School of Health Sciences, Osaka Dental University
  • HIGUCHI Shizuo
    Department of Oral Health Engineering, Faculty of Health Sciences, Osaka Dental University
  • KAKIMOTO Kazutoshi
    Department of Oral Health Engineering, Faculty of Health Sciences, Osaka Dental University

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  • High precision <i>in vitro </i>detection of periodontal tissue changes

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<p>To assess the use of an intraoral scanner (IOS) for basic periodontal treatment and dental health guidance, we evaluated the data of periodontal tissue records and the range in which changes in periodontal tissues could be observed. An IOS was used to record the three-dimensional shape of complete dentures and wax dentures. Measurement points on cross sections were made with a design knife at 32 points on the model gingiva. The shapes of the upper and lower complete dentures and wax dentures were then recorded six and five times, respectively, using the IOS. Then, seven gingival regions of both the upper and lower wax dentures were slightly reduced and rerecorded five times, and the records before and after the reductions were compared. The results indicated that it is possible to detect changes in periodontal tissue with high precision. By superimposing the records, changes in the gingiva could be compared. In addition, the amount of change could be displayed quantitatively based on changes in the cross sections. (J Osaka Dent Univ 2020; 54: 263-272)</p>

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