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  1. Article ; Online: Artificial Intelligence as a Decision-Making Tool in Forensic Dentistry: A Pilot Study with I3M.

    Bui, Romain / Iozzino, Régis / Richert, Raphaël / Roy, Pascal / Boussel, Loïc / Tafrount, Cheraz / Ducret, Maxime

    International journal of environmental research and public health

    2023  Volume 20, Issue 5

    Abstract: Expert determination of the third molar maturity index (I3M) constitutes one of the most common approaches for dental age estimation. This work aimed to investigate the technical feasibility of creating a decision-making tool based on I3M to support ... ...

    Abstract Expert determination of the third molar maturity index (I3M) constitutes one of the most common approaches for dental age estimation. This work aimed to investigate the technical feasibility of creating a decision-making tool based on I3M to support expert decision-making. Methods: The dataset consisted of 456 images from France and Uganda. Two deep learning approaches (Mask R-CNN, U-Net) were compared on mandibular radiographs, leading to a two-part instance segmentation (apical and coronal). Then, two topological data analysis approaches were compared on the inferred mask: one with a deep learning component (TDA-DL), one without (TDA). Regarding mask inference, U-Net had a better accuracy (mean intersection over union metric (mIoU)), 91.2% compared to 83.8% for Mask R-CNN. The combination of U-Net with TDA or TDA-DL to compute the I3M score revealed satisfying results in comparison with a dental forensic expert. The mean ± SD absolute error was 0.04 ± 0.03 for TDA, and 0.06 ± 0.04 for TDA-DL. The Pearson correlation coefficient of the I3M scores between the expert and a U-Net model was 0.93 when combined with TDA and 0.89 with TDA-DL. This pilot study illustrates the potential feasibility to automate an I3M solution combining a deep learning and a topological approach, with 95% accuracy in comparison with an expert.
    MeSH term(s) Artificial Intelligence ; Pilot Projects ; Forensic Dentistry ; Age Determination by Teeth/methods
    Language English
    Publishing date 2023-03-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2175195-X
    ISSN 1660-4601 ; 1661-7827
    ISSN (online) 1660-4601
    ISSN 1661-7827
    DOI 10.3390/ijerph20054620
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Immersive 3D Educational Contents: A Technical Note for Dental Educators.

    Barour, Sabira / Richert, Raphaël / Virard, François / Wulfman, Claudine / Iozzino, Régis / Elbashti, Mahmoud / Naveau, Adrien / Ducret, Maxime

    Healthcare (Basel, Switzerland)

    2021  Volume 9, Issue 2

    Abstract: Three-dimensional files featuring patients' geometry can be obtained through common tools in dental practice, such as an intraoral scanner (IOS) or Cone Beam Computed Tomography (CBCT). The use of 3D files in medical education is promoted, but only few ... ...

    Abstract Three-dimensional files featuring patients' geometry can be obtained through common tools in dental practice, such as an intraoral scanner (IOS) or Cone Beam Computed Tomography (CBCT). The use of 3D files in medical education is promoted, but only few methodologies were reported due to the lack of ease to use and accessible protocols for educators. The aim of this work was to present innovative and accessible methodologies to create 3D files in dental education. The first step requires the definition of the educational outcomes and the situations of interest. The second step relies on the use of IOS and CBCT to digitize the content. The last "post-treatment" steps involve free software for analysis of quality, re-meshing and simplifying the file in accordance with the desired educational activity. Several examples of educational activities using 3D files are illustrated in dental education and discussed. Three-dimensional files open up many accessible applications for a dental educator, but further investigations are required to develop collaborative tools and prevent educational inequalities between establishments.
    Language English
    Publishing date 2021-02-07
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2721009-1
    ISSN 2227-9032
    ISSN 2227-9032
    DOI 10.3390/healthcare9020178
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Assessing decision-making in education of restorative and prosthetic dentistry: a pilot study.

    Iozzino, Régis / Champin, Pierre-Antoine / Richert, Raphaël / Bui, Romain / Palombi, Olivier / Charlin, Bernard / Tamimi, Faleh / Ducret, Maxime

    The International journal of prosthodontics

    2021  Volume 34, Issue 5, Page(s) 585–590

    Abstract: Purpose: To evaluate whether a concordance assessment (CA) software application is able to assess decision-making in restorative and prosthetic dentistry.: Materials and methods: Vignettes representing 10 different clinical situations were integrated ...

    Abstract Purpose: To evaluate whether a concordance assessment (CA) software application is able to assess decision-making in restorative and prosthetic dentistry.
    Materials and methods: Vignettes representing 10 different clinical situations were integrated into a software application. Each vignette included 3D digital models and a short case, as well as 5 therapeutic options rated on a 4-point Likert scale (-2 = strongly contraindicated; -1 = contraindicated; +1 = indicated; +2 = strongly indicated). A panel of 15 dental educators (9 educators from the prosthetic department [PD] and 6 from the conservative department [CD]) had to evaluate the indication of each of the 5 therapies for the 10 vignettes.
    Results: This pilot questionnaire showed good internal consistency on most therapies (Cronbach's α = 0.86), with the exception of more recently introduced therapies (overlay/veneerlay and endocrown). On a maximum score out of 100, the average of CD educators (79.2 ± 3.2) was not significantly different (P = .73) from that of a PD educator (77.8 ± 3.5). Scores ranged from 66.8 to 89.6. Analysis of the expert panel's responses also reported mostly (34/50) a distribution of responses that was characteristic of CA and uncertain situations.
    Conclusion: The present software application was able to reproduce and assess decision-making in dentistry with satisfying internal consistency of educators.
    MeSH term(s) Pilot Projects ; Prosthodontics
    Language English
    Publishing date 2021-02-23
    Publishing country United States
    Document type Journal Article
    ZDB-ID 645046-5
    ISSN 1942-4426 ; 0893-2174
    ISSN (online) 1942-4426
    ISSN 0893-2174
    DOI 10.11607/ijp.7228
    Database MEDical Literature Analysis and Retrieval System OnLINE

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