Section 25

Any registered dentist who allows an unregistered person to practise dentistry on the premises used by or under the control of that registered dentist in the performance of his professional duties shall be guilty of an offence.

Any registered dentist who by his presence, countenance, advice, assistance or co-operation has knowingly enabled an unregistered person, whether described as an assistant or otherwise, to practise dentistry shall be guilty of an offence.

Any registered dentist who practises dentistry in any premises in which an unregistered person practises dentistry shall, unless he proves that he did not know that the unregistered person was practising dentistry in those premises, be guilty of an offence.

Nothing in this Act shall operate to prevent the practice, employment and supervision of persons in the public service who may be employed under the supervision of a registered dentist in the public service to carry out the procedure which comes within the definition of the practice of dentistry as defined in this Act.[23