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First Attachment Experiment Results—Rhodamine Stain Illustrating the Degree of Epithelial Cell Adhesion to Each Experimental PEMA disc
| No Treatment (rough) | Cell adhesion present |
| Pumice | Cell adhesion present |
| Varnish | No cell adhesion |
| High Polish | Cell adhesion present |
| Chlorhexidine | No cell adhesion |
| Alcohol | Cell adhesion present |
| Steam | Cell adhesion present |
Highly pigmented “Islands” of cells signify adhesion, as evidenced in the following groups: Pumice, High Polish, and Steam.
