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논문 기본 정보

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학술저널
저자정보
Anne Kaline Claudino Ribeiro (Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, Rio Grande do Norte, Brazil) Aretha Heitor Veríssimo (Potiguar University (UnP), Natal, Rio Grande do Norte, Brazil) Rodrigo Falcão Carvalho Porto de Freitas (Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, Rio Grande do Norte, Brazil) Rayanna Thayse Florêncio Costa (Department of Oral Rehabilitation, Faculty of Dentistry, University of Pernambuco (UPE), Recife, Pernambuco, Brazil) Burak Yilmaz (Department of Gerodontology and Reconstructive Dentistry, University of Bern, School of Dentistry, Bern, Switzerland) Sandra Lúcia Dantas de Moraes (Department of Oral Rehabilitation, Faculty of Dentistry, University of Pernambuco (UPE), Recife, Pernambuco, Brazil) Adriana da Fonte Porto Carreiro (Department of Dentistry, Federal University of Rio Grande do Norte (UFRN), Natal, Rio Grande do Norte, Brazil)
저널정보
대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics Vol.16 No.3
발행연도
2024.6
수록면
139 - 150 (12page)
DOI
https://doi.org/10.4047/jap.2024.16.3.139

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Purpose. The purpose of this diagnostic study was to assess the accuracy and time efficiency of a digital method to draw the denture foundation extension outline on preliminary casts compared with the conventional technique. Materials and methods. A total of 28 preliminary edentulous casts with no anatomical landmarks were digitized using a laboratory scanner. The outlining of the entire basal seat of the denture was performed on preliminary casts and digitized. Casts with no extension outline were digitized and outlines were drawn using software (DWOS, Straumann). The accuracy of the extension outlined between both techniques was evaluated in the software (GOM Inspect; GOM GmbH) by file superimposition. Specificity and sensitivity tests were applied to measure accuracy. The paired t-test (95% CI) was used to compare the mean total area and the working time. Results. The accuracy ranged from 0.57 to 0.92. The buccal and labial frenulum showed a lower value in the maxilla (0.57); while the area between the retromolar pad and buccal frenulum (0.64) showed a lower score in the mandible. The maxillary denture foundation and the working time for both arches were significantly longer for the digital method (P < .001). Conclusion. The denture foundation extension outline exhibited a sufficiently excellent accuracy for the digital method, except for the maxillary anterior region. However, the digital method required a longer working time.

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