Md. Code, Health Occupations § 4–603

(a) Except as otherwise provided by law, a licensed dentist may not practice dentistry:

(1) Under a name other than the name of the licensee;

(2) As a business entity; or

(3) Under the name of a business entity.

(b) A licensed dentist may practice, under the name of the licensee, as an employee of a health maintenance organization that is certified by the State Insurance Commissioner.

(c) A licensed dentist may practice, under the name of the licensee, as a member of a limited liability company.