12. The board of directors may, if it so considers necessary for the protection of the public, limit the trainee denturologist’s right to practise during all or part of the training period in one or several of the following ways:(1) by determining where or when he is or is not authorized to practise;
(2) by determining the professional acts he is or is not authorized to perform;
(3) by requiring that all or some of the professional acts he may perform be performed under the supervision of a denturologist.