52.—(1) It shall not be lawful for any body corporate to engage in the practice of dentistry (other than the performance of the dental work referred to in section 51 (2) (b) of this Act).

(2) The provisions of subsection (1) of this section shall not prohibit the practice of dentistry by—

(a) any health board established under the provisions of the Health Act, 1970, or

(b) any hospital, or

(c) any dental school, or

(d) two or more registered dentists in partnership.

(3) Every body corporate which engages in the practice of dentistry in contravention of subsection (1) of this section shall be guilty of an offence and shall be liable on summary conviction to a fine not exceeding £1,000.

(4) Where a body corporate is convicted of an offence under this section, every director, manager and secretary thereof shall, unless he proves that the offence was committed without his knowledge, be guilty of an offence and shall be liable on summary conviction to a fine not exceeding £1,000.