Me. Rev. Stat. tit. 32, § 18347-A

Notwithstanding any provision of law to the contrary, the board may issue a temporary license for a period of 6 months and waive all licensing requirements, except for fees unless otherwise provided in this section, to any applicant upon a showing that the applicant holds a valid license in that profession issued by another state. The board may waive the fee for a temporary license if the purpose of the temporary license is to provide free dental care in conjunction with a charitable nonprofit organization.