STUDY OF THE EFFECT OF DIE SPACING (CEMENT SPACE) ON CAST CROWN RETENTION

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TORABI KIANOUSH; AZARIAN M.

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Paper Information

Journal: JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES) Year:2003 | Volume:4 | Issue:2 (7) Page(s): 16-23

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Title

STUDY OF THE EFFECT OF DIE SPACING (CEMENT SPACE) ON CAST CROWN RETENTION

Author(s)

TORABI KIANOUSH | AZARIAN M. | Issue Writer Certificate

Keywords

RETENTIONQ3

CROWNQ3

DIE SPACERQ4

Abstract

Background: Cement space is necessary for seatabillity and fitness of cast CROWNs, but can affect CROWN's RETENTION. In this study the interrelationship between them was investigated via die spacing.Materials and Method: For evaluating the effect of die spacing (cement space) on CROWN RETENTION after cementation, 50 similar machined metallic dies were prepared and divided into five groups and coated with 0.2, 4, 6, 8 layers of paint-on standard DIE SPACER, respectively. Cast CROWNs. Were fabricated on the dies using base metal alloys, and then cemented with zinc phosphate cement under a constant load of 5kg for 10 minutes. The samples were started in distilled water for 48 hours. Then the force required to remove each CROWN from the die was measured with instron.Results: Statistical analysis revealed a significant increase in the force required (crown RETENTION) by adding layers of DIE SPACER (p<0.05).Conclusion: Because RETENTION didn't show any significant increase with more than 4 layers of DIE SPACER, so optimum thickness of DIE SPACER (or cement space produced) is suggested to be 4 layers equal to 40 microns.

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APA: Copy

TORABI, KIANOUSH, & AZARIAN, M.. (2003). STUDY OF THE EFFECT OF DIE SPACING (CEMENT SPACE) ON CAST CROWN RETENTION. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 4(2 (7)), 16-23. SID. https://sid.ir/paper/108640/en

Vancouver: Copy

TORABI KIANOUSH, AZARIAN M.. STUDY OF THE EFFECT OF DIE SPACING (CEMENT SPACE) ON CAST CROWN RETENTION. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2003;4(2 (7)):16-23. Available from: https://sid.ir/paper/108640/en

IEEE: Copy

KIANOUSH TORABI, and M. AZARIAN, “STUDY OF THE EFFECT OF DIE SPACING (CEMENT SPACE) ON CAST CROWN RETENTION,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 4, no. 2 (7), pp. 16–23, 2003, [Online]. Available: https://sid.ir/paper/108640/en

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