ΕΡΩΤΗΣΗ

---

What is the major cause of failure of a cemented total hip arthroplasty after 15 to 20 years?

1. Femoral loosening
2. Acetabular loosening
3. Bone stock loss
4. Wear of the bearing surface
5. Stem breakage

---

H Σωστή απάντηση είναι :

1	2	3	4	5