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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제8권 제5호
- 발행연도
- 2016.1
- 수록면
- 380 - 387 (8page)
이용수
초록· 키워드
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PURPOSE. The storage conditions of impressions affect the dimensional accuracy of the impression materials. The aim of the study was to assess the effects of storage time on dimensional accuracy of five different impression materials by cone beam computed tomography (CBCT).
MATERIALS AND METHODS. Polyether (Impregum), hydrocolloid (Hydrogum and Alginoplast), and silicone (Zetaflow and Honigum) impression materials were used for impressions taken from an acrylic master model. The impressions were poured and subjected to four different storage times: immediate use, and 1, 3, and 5 days of storage. Line 1 (between right and left first molar mesiobuccal cusp tips) and Line 2 (between right and left canine tips) were measured on a CBCT scanned model, and time dependent mean differences were analyzed by two-way univariate and Duncan’s test (α=.05).
RESULTS. For Line 1, the total mean difference of Impregum and Hydrogum were statistically different from Alginoplast (P<.05), while Zetaflow and Honigum had smaller discrepancies. Alginoplast resulted in more difference than the other impressions (P<.05). For Line 2, the total mean difference of Impregum was statistically different from the other impressions. Significant differences were observed in Line 1 and Line 2 for the different storage periods (P<.05).
CONCLUSION. The dimensional accuracy of impression material is clinically acceptable if the impression material is stored in suitable conditions.
목차
등록된 정보가 없습니다.
참고문헌 (29)
참고문헌 신청
Johnson GH / 2001 / Restorative dental materials / Elsevier :348~368
Nicholls JI / 1977 / The measurement of distortion: theoretical considerations / J Prosthet Dent 37:578~586
Hamalian TA / 2011 / Impression materials in fixed prosthodontics: influence of choice on clinical procedure / J Prosthodont 20:153~160
Linke BA / 1985 / Distortion analysis of stone casts made from impression materials / J Prosthet Dent 54:794~802
Brosky ME / 2003 / Evaluation of dental arch reproduction using three-dimensional optical digitization / J Prosthet Dent 90:434~440
Nicholls JI / 1977 / The measurement of distortion: theoretical considerations / J Prosthet Dent 37:578~586
Hamalian TA / 2011 / Impression materials in fixed prosthodontics: influence of choice on clinical procedure / J Prosthodont 20:153~160
Linke BA / 1985 / Distortion analysis of stone casts made from impression materials / J Prosthet Dent 54:794~802
Brosky ME / 2003 / Evaluation of dental arch reproduction using three-dimensional optical digitization / J Prosthet Dent 90:434~440
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