Clinical Study to Assess the Efficacy of Professional Tooth Whitening Maintenance System

Inclusion Criteria: * permanent natural teeth (6-11) (22-27) * composite lobene =\>1 * Signed Informed Consent Form * Male and female subjects aged 18-70 years, inclusive * Good general health and good oral health based on the opinion of the study investigator * All maxillary anterior teeth (teeth #6 through #11) must be present;\& mandibular anterior ( Teeth #22 through 27) must be present * Availability for the duration of the study * Minimum average Vita Extended Bleachedguide 3D-Master shade score of 17 ≥ or darker * A minimum mean of 1.5 ≥ determined by the Interproximal Modified Lobene (IML) Stain Index * Demonstrate a tendency to form stain in anterior teeth/ Have high staining habits ( coffee/ wine/ tea drinker) Exclusion Criteria: * allergies * Presence of orthodontic appliances or any anterior tooth with a prosthetic crown or veneer * Restorations on the tooth to be scored which may interfere with scoring procedures * Obvious signs of periodontal disease, rampant caries, or any condition that the dental examiner considers exclusionary from the study * Five or more carious lesions requiring immediate care * Concurrent participation in another clinical study * Self-reported pregnant and/or lactating women * History of allergies to tooth whitening products, hydrogen peroxide, personal care consumer products, or their ingredients * Have dentinal sensitivity * Taking medication within a year which could alters natural tooth color or appearance, * Have used Professional Whitening product within a year or had a dental prophylaxis ( professional dental cleaning) within 30 days prior to the start of the study