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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한치과보철학회 The Journal of Advanced of Prosthodontics The Journal of Advanced of Prosthodontics 제8권 제3호
- 발행연도
- 2016.1
- 수록면
- 201 - 206 (6page)
이용수
초록· 키워드
오류제보하기
PURPOSE. The aim of this study was to compare the radiopacity of 6 modern resin cements with that of human enamel and dentine using the Digora digital radiography system, to verify whether they meet the requirements of ANSI/ADA specification no. 27/1993 and the ISO 4049/2000 standard and assess whether their radiopacity is influenced by the thickness of the cement employed.
MATERIALS AND METHODS. Three 3-thickness samples (0.5, 1 and 1.5 mm) were fabricated for each material. The individual cement samples were radiographed on the CCD sensor next to the aluminium wedge and the tooth samples. Five radiographs were made of each sample and therefore five readings of radiographic density were taken for each thickness of the materials. The radiopacity was measured in pixels using Digora 2.6 software. The calibration curve obtained from the mean values of each step of the wedge made it possible to obtain the equivalent in mm of aluminium for each mm of the luting material.
RESULTS. With the exception of Variolink Veneer Medium Value 0, all the cements studied were more radiopaque than enamel and dentin (P<.05) and complied with the ISO and ANSI/ADA requirements (P<.001). The radiopacity of all the cements examined depended on their thickness: the thicker the material, the greater its radiopacity.
CONCLUSION. All materials except Variolink Veneer Medium Value 0 yielded radiopacity values that complied with the recommendations of the ISO and ANSI/ADA. Variolink Veneer Medium Value 0 showed less radiopacity than enamel and dentin.
목차
등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Ladha K / 2010 / Conventional and contemporary luting cements: an overview / J Indian Prosthodont Soc 10:79~88
Fernandes LO / 2012 / Radiopacity of resin cements: in vitro study / Rev Gaúcha Odontol 60:169~177
Reis JM / 2012 / Radiopacity evaluation of contemporary luting cements by digitization of images / ISRN Dent 2012:704246
Tsuge T / 2009 / Radiopacity of conventional, resin-modified glass ionomer, and resin-based luting materials / J Oral Sci 51:223~230
Rosenstiel SF / 1998 / Dental luting agents: A review of the current literature / J Prosthet Dent 80:280~301
Fernandes LO / 2012 / Radiopacity of resin cements: in vitro study / Rev Gaúcha Odontol 60:169~177
Reis JM / 2012 / Radiopacity evaluation of contemporary luting cements by digitization of images / ISRN Dent 2012:704246
Tsuge T / 2009 / Radiopacity of conventional, resin-modified glass ionomer, and resin-based luting materials / J Oral Sci 51:223~230
Rosenstiel SF / 1998 / Dental luting agents: A review of the current literature / J Prosthet Dent 80:280~301
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