Exploring users' attitudes and intentions toward the web as a survey tool

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 通識教育中心 > 期刊論文 > Item 310903500/29819

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题名:	Exploring users' attitudes and intentions toward the web as a survey tool
作者:	Huang, HM;Liaw, SS
贡献者:	通識教育中心;China Med Coll, Gen Educ Ctr, Taichung 404, Taiwan;Natl Taichung Inst Technol, Dept Management Sci, Taichung 404, Taiwan
日期:	2005
上传时间:	2010-09-24 14:43:12 (UTC+8)
出版者:	PERGAMON-ELSEVIER SCIENCE LTD
摘要:	Objectives: Three-dimensional finite element (FE) models of splinted prosthetic crowns were studied and stress analyses were evaluated with different types of implant support, including standard, wide or two implant(s) for partial, posterior edentulous restorations. Material and methods: The FE models were constructed based on a cadaver mandible containing the 2nd premolar and the 1st molar. The crowns of these two teeth were modeled as connected and disconnected to mimic the splinted and non-splinted designs, respectively. One standard implant was placed at the premolar region, while three types of implant support, one at a time (the standard implant, wide implant and two implants), were used to support the molar crown. A 100 N oblique load was applied to the buccal cusp on each crown. The FE simulation was validated experimentally via strain gauge measurement. Results: The experimental data were well correlated with the FE predictions (r(2)=0.97). When compared with the standard implant used in the molar area, the wide implant and two implants reduced the peak stress in crestal bone by 29-37% for both splinted and non-splinted cases. Inserting the standard implant into both the premolar and molar area, the bone stresses were identical for splinted and non-splinted designs. However, splinting the adjacent crowns has shown to decrease the bone stresses at the premolar region by 25%, while the wide implant or two implants were placed at the molar region. Conclusion: The biomechanical advantages of using the wide implant or two implants are almost identical. The benefit of load sharing by the splinted crowns is notable only when the implants on the premolar and molar regions have different supporting ability.
關聯:	COMPUTERS IN HUMAN BEHAVIOR 21(5):729-743
显示于类别:	[通識教育中心] 期刊論文

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