Can You Alternate D4910 And D1110?

Can You Alternate D4910 And D1110? Back in 2006, a dentist from the ADA Dental Benefits Office said, “D1110 and D4910 are not interchangeable and should not be alternated. The dentist must make the diagnosis, but then the proper code for the procedure provided needs to be used. Do I really need periodontal maintenance? Periodontal