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Journal of Prosthetic Dentistry

A comparative evaluation of the diagnostic accuracy of an infrared sensor device with standard mounting procedure in completely edentulous patients: A pilot clinical study

Published:December 17, 2022DOI:https://doi.org/10.1016/j.prosdent.2022.11.014

      Abstract

      Statement of problem

      The conventional diagnostic mounting procedure in completely edentulous patients is time-consuming and increases the laboratory workload. Alternatives like optical scanners and jaw tracking devices have been documented but have their own shortcomings.

      Purpose

      The purpose of this pilot clinical study was to assess the suitability of an infrared sensor scan device in procuring the diagnostic data parameters for completely edentulous patients.

      Material and methods

      Twelve completely edentulous participants were enrolled in the study. For each, the distance between the arches was measured by 2 clinical techniques at 3 common reference points, M1, M2, M3, for the maxillary arch and m1, m2, m3 for the mandibular arch. The control group measurements were recorded by using a standard diagnostic mounting procedure on a semi-adjustable articulator, and the experimental group measurements were recorded by using an infrared sensor scan device. To convert the analog infrared sensor output into digital data, the Arduino ADC software program was used. The data from both study groups were statistically compared by using the independent t test (α=.05).

      Results

      No significant difference in variation was found between the mean measurements of the device and diagnostic mounting (P>.05). The maximum variation recorded by the experimental device was 1.7 mm, whereas the minimum variation was 0.8 mm (mean 1.25 mm).

      Conclusions

      The use of precisely calibrated infrared sensors may be a cost-effective option for diagnostic mounting.
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