I had a regular check-up booked with my (former) dentist in November. With my whooping cough, I had to cancel that. I explained that it would be *months* before I could lie back with someone poking about in my mouth without coughing myself in to unconsciousness or vomiting. They have continued to nag me about my appointment and I explained again and again and AGAIN the nature of this disease and that I would contact them when I was well enough to tolerate a cleaning without a paroxysmal coughing fit.