Fig. 5

Case of cup loosening: a pre-operative X-ray (DDH Crowe 4), b post-operative radiograph, c loosening of the cup, d X-ray at 4-year follow-up, after revision with primary DELTA-TT cup
Case of cup loosening: a pre-operative X-ray (DDH Crowe 4), b post-operative radiograph, c loosening of the cup, d X-ray at 4-year follow-up, after revision with primary DELTA-TT cup