If some or all of your permanent teeth have fallen out or been removed, you may be using dentures. Complete dentures are if you are missing all of your natural teeth and partial dentures if you are missing just one tooth or a few teeth. Both types need special care if you have them. It is important to take your dentures out before going to bed. This way, the mouth tissues can recover from wearing them during the day. If taking your dentures out at night is not an option for y