Cavity Preparations | University of Toronto Faculty of ...
2010-10-10 · The occlusal access cavity was made using a small-diameter spherical bur mounted on a turbine and under low water spray (Fig. 1A and B). Pulp was removed using a barbed broach (Fig. 1C). It was then cut and placed in a 1.5 ml Eppendorf tube. A negative control (no biological material) and a positive control (muscle biopsy) were prepared.
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