OBJECTIVES The objective of this study was to compare the effects of three tongue hygiene regimens on oral malodor. METHODS This was a single-center, randomized, parallel design study with three treatment groups. Subjects were randomly...
moreOBJECTIVES The objective of this study was to compare the effects of three tongue hygiene regimens on oral malodor. METHODS This was a single-center, randomized, parallel design study with three treatment groups. Subjects were randomly assigned to perform tongue hygiene with either the Philips Sonicare TongueCare+ BreathRx regimen (STC), Listerine Cool Mint antiseptic rinse (LCM), or tongue brushing with an ADA reference manual toothbrush (MTB). Tooth brushing was standardized for all subjects during the study period, and no other oral or breath hygiene measures were allowed. Eligible subjects met the following criteria: aged 18-70 years, in good general and oral health, non-smoker, with an organoleptic score between 2.7 and 4.5 following a 12-18 hour oral hygiene abstention period. Subjects who had oral appliances or who had periodontal disease or excessive recession were not eligible. The primary endpoint analysis was to evaluate oral malodor based on an organoleptic (OL) score. A...