EFFECT OF ETCHING TIME AND ACID CONCENTRATION ON ...
2016-4-9u2002·u2002enamel and dentine. With a turbine fissure diamond bur (ISO 806204108524835010) and the water-air cooling the enamel and dentin parallel to the long axis of the tooth, at the depth of the round bur marking, are removed. Diamond burs were changed after every three teeth. The surface after drilling was polished with an abrasive disk (ISO ...
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