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May 6, 2026Journal of ProsthodonticsOpen Access

Accuracy of face scan‐based virtual facebow records: A comparison between two registration methods

Mario Hertanto Marcel Hertanto Zhiqiang Luo Fei Liu Luca Lepidi Junying Li

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Key Points

The study aims to compare the accuracy of two face scan registration methods for maxillary positioning in digital prosthodontics.
Used cone beam computed tomography scans as a reference for alignment.
Employed two registration techniques: three-dimensional match and UV match, using scans from different facial scanners.
Analyzed accuracy by measuring deviations between the scans and the reference using a Python script.
3D match outperformed UV match in trueness and precision, with a linear trueness of 0.98 ± 0.67 mm (p < 0.001).
The industrial scanner with 3D match showed the highest accuracy, while the iPad provided inferior results.
3D registration demonstrated significantly superior angular accuracy compared to UV match (p < 0.050).

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Implication

Compares accuracy of two face scan registration methods in digital prosthodontics, indicating 3D method is superior.

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Cite This Study

Hertanto et al. (2026) studied this question.

synapsesocial.com/papers/69fd7e90bfa21ec5bbf06c20 https://doi.org/10.1111/jopr.70153

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