Measurement of the accuracy of dental working casts using a coordinate measuring machine | Zendy

Michal Potran | Zendy; Branko Štrbac | Zendy; Tatjana Puškar | Zendy; Miodrag Hadžistević | Zendy; Janko Hodolič | Zendy; Branka Trifković | Zendy

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Measurement of the accuracy of dental working casts using a coordinate measuring machine

Author(s) -

Michal Potran,

Branko Štrbac,

Tatjana Puškar,

Miodrag Hadžistević,

Janko Hodolič,

Branka Trifković

Publication year - 2016

Publication title -

vojnosanitetski pregled

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.123

H-Index - 19

eISSN - 2406-0720

pISSN - 0042-8450

DOI - 10.2298/vsp150105089p

Subject(s) - accuracy and precision , coordinate measuring machine , computer science , orthodontics , medicine , mathematics , engineering , statistics , mechanical engineering

Dental impressions present a negative imprint of intraoral tissues of a patient which is, by pouring in gypsum, transferred extraorally on the working cast. Casting an accurate and precise working cast presents the first and very important step, since each of the following stages contributes to the overall error of the production process, which can lead to inadequately fitting dental restorations. The aim of this study was to promote and test a new model and technique for in vitro evaluation of the dental impression accuracy, as well as to asses the dimensional stability of impression material depending on the material bulk, and its effect on the accuracy of working casts.

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