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ToothFairy Dataset

This page describes the dataset associated to the ToothFairy challenge, a challenged organized by the University of Modena and Reggio Emilia with the collaboration of Raudboud University. The challenge is hosted by grand-challenge and is part of MICCAI2023. For challenge details, please visit the dedicated website. The dataset used to run the challenge and here described is an extension and improvement of a previously released dataset.


The table below resumes the core information about the (training) dataset released for MICCAI2023 ToothFairy challenge. For a complete technical description please refer to our CVPR paper and the structured challenge submission proposal.

Field Value
Primary Dataset (dense & sparse annotations) 153 (+62 w.r.t. the original Maxillo Dataset)
Secondary Dataset (only sparse annotations) 290 (+34 w.r.t. the original Maxillo Dataset)
File Format Numpy
Values Scale Hounsfield
Max Volume Shape 178, 423, 463
Min Volume Shape 148, 265, 312
Avg Volume Shape 169, 342, 370
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Dataset Tree

An overview of the folder's tree is pictured below. The splits.json file contains four different groups: training, validation, test, and synthetic. All the volumes inside the first three groups have both dense and sparse annotations, while the volumes within the synthetic group only have sparse annotations. We internally used this split to train the model provided as baseline for the challenge, please note that the official test set used in the challenge will not be publicly release. In other words, all patients have at least two files: data.npy, which corresponds to the CBCT scan, and gt_sparse.npy which is the sparse annotations (e.g., P548), some patients also have gt_alpha.npy which is the dense annotation (e.g. P1).

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If you use our dataset, please cite our works in your manuscript.

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