4.6 Article

Root Canal Preparation of a Commercial Artificial Tooth versus Natural Tooth-A MicroCT Study

Journal

APPLIED SCIENCES-BASEL
Volume 13, Issue 16, Pages -

Publisher

MDPI
DOI: 10.3390/app13169400

Keywords

endodontics; microCT; TrueTooth(& REG;); 3D printing; 3D analysis; endodontic training

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This study aimed to evaluate the preparation of artificial teeth (ATs), TrueTooth (R), versus natural teeth (NTs) using microCT. The results showed no significant differences in the time and number of pecking movements between NTs and ATs. The volume increase in root canals was higher in NTs but negative values were observed in some samples, indicating an effect of the pulp-colored medium on the 3D analysis.
This study aimed to evaluate by microCT the preparation of the artificial teeth (ATs), TrueTooth (R), versus natural teeth (NTs): (1) the time and number of pecking movements needed for preparation; (2) the root canal volume increase; (3) if the pulp-colored medium has any effect on the 3D analysis. Material and Methods: Artificial and natural maxillary molars were used. Fourteen AT distobuccal canals and fourteen NT buccal canals were used for the first and second aim and fourteen AT mesiobuccal canals for the third aim. Results: No statistically significant differences were observed regarding the time and number of pecking movements (p > 0.05); for the root canal volume increase, a statistically significant difference was observed (p < 0.05) with a higher mean value for NTs; however, in the group of ATs, there was a volume decrease in three cases. The AT mesiobuccal root canal mean volume increase was also negative. Conclusions: There are no differences between the time and number of pecking movements between NTs and ATs, so TrueTooth<(R)> can potentially be used in endodontic training. The volume increase between ATs and NTs was higher in NTs. However, some samples showed negative values, also seen in the AT mesiobuccal canal, confirming that the pulp-colored medium has an effect on the 3D analysis.

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