They received either the oscillating-rotating brush ( Oral-B Professional Care @ , sold as Oral-B Professional Care @ in some regions , with the Oral-B Precision Clean brush head , D@u/EB@ ) or the sonic brush ( Colgate ProClinical C@ with Colgate Triple Clean brush head ) and brushed twice-daily with the assigned brush and a standard fluoride dentifrice for @ weeks before returning for plaque measurements .