... teeth, black teeth, tetracycline teeth, dental fluorosis, exogenous pigment teeth (Coffee, tea, and tobacco stains deposition), drug- ... induced discolored teeth, genetic pigment teeth.3. Remove tartar, plaque, pigment, tea stains, smoke spot on the teeth ... it is that simple!VCA Laser Tech ServiceWarranty: We offer 3 years warranty, lifetime maintain, 24 hours calling service.Training ...