How long the bonding cement, holding the PROSTHETICS in place, expected to last ? Generally speaking ?
Is at hand an INHERENT RISK to REPLACED JOINTS, when exposed to prolonged vibrations, like travelling aboard a Motor Vessel / steamship for extended period of time?
Answer:   

Which is worse.. a fracture or a break?

That should hold been told to you at the time of the procedure. Usually they will last at tiniest ten years depending on how active you are and the type of prosthesis used. Hips are usually very stable and the risk to the cohesive from the environments questioned should not present a problem. If you are thought some change in the opening the hip feels go to the surgeon that did the procedure and own it evaluated. If there is no problem but just curiosity as to all along time it will last, that is usually ten years or longer.

---

Why do my principal joint crack and pop?

---

Alternatives for herniated disk surgery?
Sprained ankle?
First time you broke a bone?

---