ADP Primary Care Services Ltd, the dental health care provider reported revenue of £78.1m for the year ended 31 March 2011. EBITDA was £5.9m. Depreciation of £15.6m and interest of £9.8m gives a pre-tax loss of £19.5m. Previous years results were for six months only, due to restructuring. In March 2011 ADP merged with dental…