title: Laboratory evaluations of three dentifrices with polishing or brushing.
abstract: The purpose of this study was to determine the depth of deposit removal of three dentifrices using a dental felt polishing tip or an Oral-B P 35 toothbrush. The dentifrices were compared using a laboratory method which simulates clinical tooth polishing or toothbrushing procedures, and utilizes a pressure-sensitive paper that records the depth of deposit removal. Each polishing time was conducted for five seconds; toothbrushing time was 15 seconds. Both polishing and toothbrushing were performed at a weight of 250 grams. Depth of Deposit Removal (DDR) was recorded using a 0-4 scale from a comparative color chart. The dentifrices evaluated were Arm & Hammer Dental Care, Colgate Regular, and Crest Regular. Twenty-four replicates of each dentifrice, tested undiluted, were performed. Results indicated that dentifrice efficacy was ranked numerically as Arm & Hammer Dental Care > Colgate Regular > Crest Regular. In all of the assays the Arm & Hammer Dental Care dentifrice had significantly (p < 0.01-0.001) higher DDR mean values compared to the Colgate Regular and Crest Regular dentifrices. The Colgate Regular dentifrice was significantly (p < 0.01-0.001) superior to the Crest Regular dentifrice in the assays conducted.
authors.affiliation: University of Pennsylvania School of Dental Medicine, Philadelphia, USA. yrcinc@aol.com
authors.forename: S L
authors.initials: SL
authors.lastname: Yankell
authors.forename: X
authors.initials: X
authors.lastname: Shi
authors.forename: R C
authors.initials: RC
authors.lastname: Emling
authors.forename: B J
authors.initials: BJ
authors.lastname: Nelson
authors.forename: C W
authors.initials: CW
authors.lastname: Triol
mesh_terms: D003741:Dental Deposits / Q000517:prevention & control*; D003802:Dentifrices; D019243:Enamel Microabrasion; D006861:Hydrogen Peroxide; D012824:Silicic Acid; D012822:Silicon Dioxide; D017693:Sodium Bicarbonate; D012969:Sodium Fluoride; D014099:Toothbrushing; D014100:Toothpastes
chemical_list: D003802:Dentifrices; D014100:Toothpastes; C546060:hydrated silica gel-based toothpaste; C546054:sodium bicarbonate-based toothpaste; D012824:Silicic Acid; D012822:Silicon Dioxide; D017693:Sodium Bicarbonate; D012969:Sodium Fluoride; D006861:Hydrogen Peroxide