What do you usually say when your teeth are covered by plaque? Or what a doctor would say to you in order to suggest you to get a teeth cleaning:
What comes to my mind is:
- I have a bad case of plaque.
- My teeth have been covered with plaque. [this sounds to be more correct to me in English, but I doubt.]
If no one is naturally correct, then please tell me what to say to the doctor or what to say to the patient as a dentist?