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Experimental design in the clinical evaluation of amalgam restorations

✍ Scribed by Goldberg, Jon ;Munster, Edward ;Rydinge, Elisabeth ;Sanchez, Luis ;Lambert, Kenneth

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
584 KB
Volume
14
Category
Article
ISSN
0021-9304

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✦ Synopsis

Abstract

In a clinical evaluation of marginal deterioration, 475 amalgram restorations were equally distributed in a 6 Γ— 4 Γ— 2 Γ— 3 factorial design, based on alloy, operator, tooth, and number of restored surfaces. All factors except the last had a statistically significant effect after 6, 12 and 18 months. There were no consistent two‐way interactions over time.

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