Treatment of hypersensitive dentin is:
Hydrodynamic theory best explains dentin hypersensitivity.
The  cervi c a l  region  of   teeth  is   the  most  common  site  of  hypersensitivity.
Plaque removal
Burnishing  dentine  with  33%  sodium  fluoride/Kaolin/ glycerine paste
Obturation of carious lesions
All of the above