Texas Occupations Code - OCC § 256.103. Display of Registration Certificate

(a) A licensed dentist or dental hygienist shall display the person's current registration certificate in each office in which the person provides dental services. If the dentist or dental hygienist provides dental services at more than one location, the person may display a duplicate of the original registration certificate obtained from the board on payment of a duplicate certificate fee set by the board.

(b) A licensed dentist may not operate on a patient's mouth or treat lesions of the mouth or teeth unless the dentist displays the dentist's registration certificate.

(c) A person may practice without displaying the person's current registration certificate as required by Subsection (a) for not more than 30 days after the date the person receives from the board written confirmation that the person's original license was issued.