ADP and IDH to merge

Private equity firm Carlyle has signed a £450m deal to create the UK's biggest dental group with about 450 practices across the country.

Carlyle has bought Integrated Dental Holdings (IDH) from Bank of America Merrill Lynch and is merging it with rival Associated Dental Practices (ADP).

Between them, Integrated Dental Holdings and Associated Dental Practices treat more than 3.5m patients a year.