8Except in the case of a body corporate which—
(a)ceased to carry on the business of dentistry before 1st January 1984, but
(b)was again carrying on the business of dentistry on that date and had not ceased to carry on that business before the commencement of this Act,
section 43(5) of this Act applies to a body corporate ceasing to carry on the business of dentistry before that commencement as well as to one ceasing to do so thereafter.