i have a problem of pyorrhoea since aprox. 10 yr.there is no toothache but there is very much bad smell in the mouth. due to pyorrhoea there is gap occur between teeth.is there any treatment to complete cure of pyorrhoea. scaling will be helpful or not ? flap surgery of the gums will cure the pyorrhoea ?? what is the cost of flap surgery ? pls give me a answer as early as possible

Summarized question: What is the treatment for pyorrhea?