When I was in the US my dentist said I needed to go every 3 months for some special cleaning that cost more $$ and that I have gum disease. Now in Thailand I go

When I was in the US my dentist said I needed to go every 3 months for some special cleaning that cost more $$ and that I have gum disease. Now in Thailand I go every 6-12 months for a normal cleaning and they say everything looks just fine but that maybe I brush a little hard