Virtual Reality simulator for dental anesthesia training in the inferior alveolar nerve block

被引:28
作者
Correa, Cleber Gimenez [1 ,4 ]
Moreira Machado, Maria Aparecida de Andrade [2 ]
Ranzini, Edith [3 ]
Tori, Romero [4 ]
Santos Nunes, Fatima de Lourdes [1 ,4 ]
机构
[1] Univ Sao Paulo, Escola Artes Ciencias & Humanidades, Lab Aplicacoes Informat Saude LApIS, Sao Paulo, Brazil
[2] Univ Sao Paulo, Fac Odontol, Bauru, Brazil
[3] Pontificia Univ Catolica Sao Paulo, Sao Paulo, Brazil
[4] Univ Sao Paulo, Escola Politecn, Lab Tecnol Interat Interlab, Sao Paulo, Brazil
基金
巴西圣保罗研究基金会;
关键词
Dental anesthesia; Mandibular nerve; Simulation training; User-computer interface; ULTRASOUND; CARE;
D O I
10.1590/1678-7757-2016-0386
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Objectives: This study shows the development and validation of a dental anesthesia-training simulator specically for the inferior alveolar nerve block (IANB). The system developed provides the tactile sensation of inserting a real needle in a human patient, using Virtual Reality (VR) techniques and a haptic device that can provide a perceived force feedback in the needle insertion task during the anesthesia procedure. Material and Methods: To simulate a realistic anesthesia procedure, a Carpule syringe was coupled to a haptic device. The Volere method was used to elicit requirements from users in the Dentistry area; Repeated Measures Two-Way ANOVA (Analysis of Variance), Tukey post-hoc test and averages for the results' analysis. A questionnaire-based subjective evaluation method was applied to collect information about the simulator, and 26 people participated in the experiments (12 beginners, 12 at intermediate level, and 2 experts). The questionnaire included pro le, preferences (number of viewpoints, texture of the objects, and haptic device handler), as well as visual (appearance, scale, and position of objects) and haptic aspects (motion space, tactile sensation, and motion reproduction). Results: The visual aspect was considered appropriate and the haptic feedback must be improved, which the users can do by calibrating the virtual tissues' resistance. The evaluation of visual aspects was influenced by the participants' experience, according to ANOVA test (F= 15.6, p= 0.0002, with p < 0.01). The user preferences were the simulator with two viewpoints, objects with texture based on images and the device with a syringe coupled to it. Conclusion: The simulation was considered thoroughly satisfactory for the anesthesia training, considering the needle insertion task, which includes the correct insertion point and depth, as well as the perception of tissues resistances during the insertion.
引用
收藏
页码:357 / 366
页数:10
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