COMPARISON BETWEEN RADIOACTIVITY OF PORCELAIN POWDERS AND ARTIFICIAL TEETH WITH BACKGROUND RADIATION

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GHAFARI ROUSHANAK; BAJGHOLI F.; REZVANFARD M.; DANYARI M.

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Journal: Journal of Guilan University of Medical Sciences Year:2008 | Volume:17 | Issue:66 Page(s): 50-59

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Title

COMPARISON BETWEEN RADIOACTIVITY OF PORCELAIN POWDERS AND ARTIFICIAL TEETH WITH BACKGROUND RADIATION

Author(s)

GHAFARI ROUSHANAK | BAJGHOLI F. | REZVANFARD M. | DANYARI M. | Issue Writer Certificate

Keywords

DENTAL PORCELAINQ3

RADIOACTIVITYQ3

TOOTH ARTIFICIALQ3

Abstract

Introduction: A lot of industrial products and consumer resources have important role in human exposure and receiving yearly radiation dose limit.Radioactive products have been used in denture teeth and Porcelain powders for flourescence properties for long time in dentistry. Because of the most of the people used Porcelain powder and denture, this became an emotion to survey the rate of relative reactivity of powders and inform the laboratory personals. Objective: Determine the relative RADIOACTIVITY of artificial teeth used in dentures and in porcelain powders.Materials and Methods: In this laboratovary-experimental study six samples of porcelain powders (ceramco III opaque, ceramco III dentin, ceramco II opaque, ceramco II dentin, noritake dentin EX3 and noritake incisal) and two samples of anterior and posterior artificial teeth with polymer base (marjan and shanghy) were used and about 3gr of each sample was placed in front of the scintillator detector NaI (ti) s' window.The number of emission in one houre was measured during each stage. Back ground radiation was measured in several stages. Samples and background radiations ratio were measured by means of paired t test. Data were analyzed by SPSS soft ware.Results: Radioactive properties of different porcelain powders and mentioned denture teeth were significantly lower than back ground radiation.Ceramco III opaque porcelain powder showed the most radioactive properties and marjan denture teeth showed the least.Conclusion: This study confirmed previous studies about low rate of RADIOACTIVITY properties of samples relative to back ground radiation and indicated if safety precautionse are observed no problem should rise for dental technicians.

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APA: Copy

GHAFARI, ROUSHANAK, BAJGHOLI, F., REZVANFARD, M., & DANYARI, M.. (2008). COMPARISON BETWEEN RADIOACTIVITY OF PORCELAIN POWDERS AND ARTIFICIAL TEETH WITH BACKGROUND RADIATION. JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES, 17(66), 50-59. SID. https://sid.ir/paper/39991/en

Vancouver: Copy

GHAFARI ROUSHANAK, BAJGHOLI F., REZVANFARD M., DANYARI M.. COMPARISON BETWEEN RADIOACTIVITY OF PORCELAIN POWDERS AND ARTIFICIAL TEETH WITH BACKGROUND RADIATION. JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2008;17(66):50-59. Available from: https://sid.ir/paper/39991/en

IEEE: Copy

ROUSHANAK GHAFARI, F. BAJGHOLI, M. REZVANFARD, and M. DANYARI, “COMPARISON BETWEEN RADIOACTIVITY OF PORCELAIN POWDERS AND ARTIFICIAL TEETH WITH BACKGROUND RADIATION,” JOURNAL OF GUILAN UNIVERSITY OF MEDICAL SCIENCES, vol. 17, no. 66, pp. 50–59, 2008, [Online]. Available: https://sid.ir/paper/39991/en

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