Thinking about it my AH is obsessive about brushing his teeth. I truly mena obsessive, brushes everytime he eats or drinks anything and when planning a take off it would not surprise me to see his toothbrush go with him, and in teh real bad days he'd go MIA for 4 to 6 days and come back without showering, clothes falling apart, no shoes and no wallett, but he always had a new toothbrush. Maybe thats why his teeth have held up