oral hygiene tips for elderly: use interdental cleaning aids like interdental brushes made of silicone or nylon after certain age as there will be gaps between the teeth near the gums which cannot be closed by fillings. they are due to receding gums due to ageing or gum diseases . visit dentist if food stagnates constantly at a specific site in the teeth as this may becomes carious or decayed later. for further queries book with dentist near me at Porur, Chennai for consultation at Lakshmi dental care and Implant center , Porur.