Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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The effect of utilizing augmented reality in a mobile application for sequential tooth carving by users

증강현실 기반의 순차적인 치아조각 모바일 어플리케이션의 사용자 효과

  • Jae-Gi Lee (Department of Dental Hygiene, College of Health and Health Care, Namseoul University) ;
  • Jung-Hee Bae (Department of Dental Hygiene, College of Health and Health Care, Namseoul University)
  • Received : 2023.05.15
  • Accepted : 2023.06.01
  • Published : 2023.06.30
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Abstract

Purpose: This study aimed to assess the effect of a sequential augmented-reality tooth carving mobile application on the learning experience of users in practical training using tooth carving, focusing on maxillary central incisor carving. Materials and Methods: The differences in the scores of tooth carving of maxillary central incisors between students taking a dental morphology course using the 2021 (existing two-dimensional practical training textbook) and 2022 (augmented-reality application) curriculums were analyzed. The scores were evaluated based on anatomical indicators, including mesiodistal and labiolingual length ratio, mesial and distal lengths, curvature of cervical line, inclination of axial plane, shape of mesial surface, shape of distal surface, shape of incisal edge, shape of cross-sections, and geometric shape scores of each surface. Mann-Whitney U test was used to evaluate the differences between the two groups in the SPSS statistical program. Results: There was a difference in the tooth carving scores between the group that used the existing two-dimensional textbook and the group that used the augmented-reality tooth carving mobile application (P < 0.05). Moreover, significant differences were present in all subcategories (P < 0.05). The score of the group using augmented reality applications was higher than that of the traditional learning group. Conclusion: This tooth carving augmented-reality mobile application can likely be utilized to guide learners through practical training involving maxillary central incisor tooth carving and help strengthen their competence. Further research is needed on the effect of augmented-reality mobile applications on learners, as well as on the evaluation of teeth other than the maxillary central incisors.

목적: 본 연구에서는 순차적인 증강현실 치아조각 모바일 어플리케이션을 활용하여, 사용자의 치아조각 실습에서 학습효과를 분석하였다. 연구 재료 및 방법: 치아형태학을 수강하는 학생들을 대상으로 2021년(기존의 이차원적인 실습 교과서)과 2022년(증강현실 어플리케이션) 상악중절치의 치아조각 점수를 이용하여 집단간 차이를 분석하였다. 점수 평가기준은 해부학적인 지표를 근거로 하여 근/원심과 순설의 길이 비율점수, 근심과 원심의 길이점수, 치경부 만곡, 순면의 기울기, 와의 형태, 융선의 형태, 발육구의 형태, 절단의 형태, 각면의 기하학적 형태 점수로 구성하였다. 집단간 차이를 Mann-Whitney U test로 검정하였다. 결과: 전통적인 2차원 텍스트를 활용한 집단과 증강현실 치아조각 모바일 어플리케이션을 활용한 집단에서 치아 조각 점수 차이가 있었다(P < 0.05). 세부항목별 점수에서도 모두 유의미한 차이가 있었다(P < 0.05). 증강현실 어플리케이션의 사용 집단의 점수가 전통적인 학습 집단보다 더 높게 나타났다. 결론: 상악 중절치 치아조각 실습 시, 증강현실 치아조각 모바일 어플리케이션을 활용하여 학습자들에게 실습을 가이드하고, 치아조각에 대한 역량강화에 도움을 주길 기대한다. 추가적으로 상악 중절치 이외에 치아에 대한 평가와 학습자에게 증강현실 모바일 어플리케이션이 미치는 영향에 대한 후속 연구가 필요하다.

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References

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