Research Article
Comparative Resistance of AH26 and a New Sealer Prototype to a Bacterial Challenge
Table 2
Color change and culture findings in lower chamber of NSP Group.
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Each unit consists of a dual-chamber model with an embedded root between the chambers. ¶Color in the lower chamber after 30 days (Red: no change; yellow: acid; orange: weakly acidic). †Day when a color change was first observed in the lower chamber. ‡Cultivable S. mutans from lower chamber sample after 30 days. §Evidence for bacterial penetration through root canal into lower chamber. |