great on sensitive gums doesn t clean very well or last long [SEP] bought these because i was looking for something to massage my itchy gums though my dentist has not said anything about gingivitis i am pretty sure i m borderline there i have very sensitive gums and have been struggling for years to find toothbrushes that do not stab at them and make them bleed one time i tried the floss tip toothbrush s they were so sharp they stabbed tiny holes in my gums they got infected since then i ve tried extra soft toothbrush from di qiu ren which was so dense it did not dry and got moldy very fast back to my regular soft bristle toothbrush which still irritates my gums and makes them bleed and these silicone bristle brushesthese silicone bristle brushes are very gentle on sensitive gums and have not cause any bleeding though it does take longer to get plaque off the teeth it s great for my sensitive gums the downfall is if you brush your teeth too soon after eating oily foods the residue sticks to the brush and it very difficult to get off most of the time i just throw it away and use a new one so far one brush lasts about a month before it gets residue on it or starts smelling weirdi don t know if these are good for oral hygiene but so far my gums appear better and have built up a tolerance to contact appear less sensitive to flossing and brushing i will likely purchase these again to help with my gums but will continue looking for cleaning alternatives for teeth