<prompt> Denture Cleanliness index was given by?Budtz-JörgensenStoyanova-.PashevaArrendorf, T. M. and WalkerTurrell  <response>: patients can be divided into three groups using the following index of denture cleanliness :Budtz-Jörgensen index of denture cleanlinessExcellent: none or only few spots of plaque.Fair: more extended plaque, less than half of the denture base covered by plaque.Poor: more than half of the denture base covered by plaque 