The entrepreneurial chief executive of a roll-up of 52 dentistry practices expects the Totally Smiles brand to eventually become the "Flight Centre or Specsavers" of the $10 billion dentistry industry.

Parent company Smiles Inclusive is scheduled to list on the ASX in late April after a $35 million raising as chief executive Mike Timoney attempts to elbow his way into a crowded industry grappling with an oversupply of dental graduates.