Evaluación del registro de mordida digital en máxima intercuspidación: descripción de diferentes sistemas de escáneres intraorales

Vernon Gabriel Narváez Mairena; Mariam Ivania  Torres García

doi:10.62407/ros.v2i2.172

Authors

Vernon Gabriel Narváez Mairena Universidad Americana, UAM
Mariam Ivania Torres García Universidad Americana, UAM

DOI:

https://doi.org/10.62407/ros.v2i2.172

Keywords:

Dental Occlusion, Bite Force, Jaw Relation Record, Intraoral scanners

Abstract

Objective: The aim of this observational and descriptive study is to evaluate virtual interocclusal recordings (VIR) with three different intraoral scanner systems by analyzing the results with occlusal heat maps and deviation analysis between models to determine if variances are found between them. Methodology: Three different intraoral scanners (IOS) available from the faculty were used being: Primescan from Dentsply Sirona, Aoralscan 3 from Shining 3D Dental and Wireless i700 from Medit. Each scanner was previously calibrated and digital impressions were taken in a single patient with non-consecutive interventions. Subsequently, virtual interocclusal recording (IVR) was performed at maximum intercuspation (MI) while maintaining normal or average force. Once the impressions were taken, occlusal heat maps were evaluated and deviations between models were assessed. Results: In this study, mean force was chosen for each RIV, however, it can be noted that at the time of calculating the coordinates, the algorithm of each scanner presented different intensities and surface contact areas. Regarding the deviations, the statistical tests indicate that all mean differences are within acceptable tolerance. Conclusions: All scanners successfully identified the contact points when compared with intraoral tests. Exporting the files and analyzing them in external software is required to appreciate the differences where the intensity of the contact points and contact areas vary between each scanner. The deviations between the digital impressions are not clinically or practically significant.

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References

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