4 コンポジットレジン填塞時の操作性に関する研究 (第463回大阪歯科学会例会)

概要

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I developed a questionnaire to select the seven words most important in expressing the properties an operator requires during use of composite resin (CR) restorative materials. The statistical analysis divided the seven words into two factors of rheology and stickiness. One hundred twenty-seven words chosen from a dictionary were included in a questionnaire that was conducted using subjects who chose the appropriate words to express the operator's perceplion during placement of restorations. Thirty-three words were selected. The subjects placed six CR restorations in a cavjty to evaluate their ease of use, and then filled out the questionnaire. Statistical analyses revealed that the operator's perception during handling of the CR was mainly related to rheology and stickiness. I concluded that the appropriate selection of words for the questionnaire was very important in obtaining an objective evaluation of ease of manipulation of CR.
1998-12-25