Study on schematic assessment and objective assessment of dental laboratory techniques training

• Project/Area Number: 23592877
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Prosthetic dentistry
• Research Institution: The Nippon Dental University College at Tokyo
• Principal Investigator: OZAKI Yoshio 日本歯科大学東京短期大学, その他部局等, 准教授 (10413139)
• Co-Investigator(Renkei-kenkyūsha): TAMAMOTO Mituhiro 広島大学, 大学院医歯薬保健学研究院統合健康科学部門 医療システム・生体材料 工学研究室, 准教授 (00136110) ; ICHIKWA Motoi 日本歯科大学東京短期大学, 歯科技工学科, 講師 (80413144) ; KOIZUMI Junichi 日本歯科大学東京短期大学, 歯科技工学科, 講師 (70469451)
• Research Collaborator: SUESE Kazuhiko 大阪歯科大学歯科技工士専門学校, 校長 ; MORIKAWA Ryoichi 大阪歯科大学歯科技工士専門学校, 専任教員 ; SUGITA Masahiro 東洋医療専門学校, 学科長
• Project Period (FY): 2011 – 2013
• Project Status: Completed (Fiscal Year 2013)
• Budget Amount: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000); Fiscal Year 2013: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000); Fiscal Year 2012: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000); Fiscal Year 2011: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
• Keywords: 歯科技工 / 歯科技工士養成 / 実習課題 / 概略的評価 / 主観的評価 / 客観的評価 / 実技試験

Research Abstract

In the present study, with the aim of objectively assessing training topics in the training of dental hygienists, we used schematic assessment and a non-contact 3-D shape measurement device to construct an assessment model using a linear model and a neural network to determine whether or not objective assessment is possible.
The subjects consisted of approximately 100 students who underwent a sham practical examination. A schematic assessment was performed by 7 evaluators. Next, the schematic assessment scores and measured data were divided into learned data and verification/inspection data. A model was produced using the learned data and scores were estimated using the verification/inspection data. Although the linear model had an inferior correlation with learned data compared to the neural network model, its error in the estimated scores was small (0.64), suggesting objective assessment is possible.

Research Products

• [Presentation] Study on schematic assessment and objective assessment of dental laboratory techniques training-Examination of technique improvement in dental technician school students over a one year period- (2013)
  • Author(s): Ozaki Yoshio, Suese Kzuhiko, Tamamoto Mitsuhiro, Sugita Masahiro, Morikawa Ryoichi, Ichikawa Motoi, Koizumi Junichi
  • Organizer: The 5^<th > International Congress of Dental Technology
  • Place of Presentation: Daejeon Convention Center Daejeon,Korea
• [Presentation] Study on the dental laboratory techniques training on schematic assessment and objective assessment- Examination about the one-year technology improvement of the dental technician school student- (2013)
  • Author(s): Ｙｏｓｈｉｏ Ｏｚａｋｉ，Ｋａｚｕｈｉｋｏ Ｓｕｅｓｅ，Ｍｉｔｓｕｈｉｒｏ Ｔａｍａｍｏｔｏ，Ｍｏｔｏｉ Ｉｃｈｉｋａｗａ，Ｊｕｎｉｃｈｉ Ｋｏｉｚｕｍｉ Ｒｙｏｉｃｈｉ Ｍｏｒｉｋａｗａ Ｍａｓａｈｉｒｏ Ｓｕｇｉｔａ
  • Organizer: Ｔｈｅ ５the Interｎａｔｉｏｎａｌ Ｃｏｎｇｒｅｓｓ ｏｆ Ｄｅｎｔａｌ Ｔｅｃｈｎｏｌｏｇｙ
  • Place of Presentation: Daejeon, Korea
• [Presentation] Study on the dental laboratory techniques training on schematic assessment and objective assessment -Examination about the one-year technology improvement of the dental technician school student- (2013)
  • Author(s): 尾﨑順男、末瀬一彦、玉本光弘、森川良一、杉田順弘、市川 基、小泉順一
  • Organizer: The 5th International Congress of Dental Technology
  • Place of Presentation: Daejeon Korea
• [Presentation] 歯科技工実習の概略的評価と客観的評価についての研究-2・3・4年制歯科技工学校養成所卒業1年前の学生についての評価- (2012)
  • Author(s): 尾﨑順男、末瀬一彦、玉本光弘、杉田順弘、市川基、小泉順一
  • Organizer: 日本歯科技工学会第34回学術大会
  • Place of Presentation: 岡山県ママカリフォーラム