If you swish with hydrogen peroxide everyday you will have the same results plus excellent gum tissue! Recommend swishing with peroxide for minutes morning and night. It kills bacteria that causes decay, gingivitis, periodontal disease. Worth a shot!
Inspiration - Cool Work Bench - The Garage Journal Board . Adi could make his work bench with curved leg support on piano hinges that fold in, and then the countertop hinges down on top of folded leg supports.