1.   Anderson said that even if silicone is safe, manufacturers have to deal with the fact that implants rupture far more often than advertised.

2.   But each time -- whether the implants ruptured or the silicon leaked, eventually sticking to her rib cage -- the surgery proved far from safe, Jones said.

3.   But the as-yet-unknown rate at which silicone implants rupture was enough justification for the ban, Kessler said in a recent interview.

4.   But the FDA is still trying to determine how frequently implants rupture and what diseases, if any, they cause.

5.   Dr. Feng, who testified Wednesday, is studying why implants rupture.

6.   Implant makers concede that many women develop scar tissue or even inflammation in their breasts after receiving implants, and that the implants can rupture.

7.   Painful scar tissue can harden the breasts, and the implants can rupture, go flat and need replacing.

8.   She said she contracted connective tissue disease after her silicone implants ruptured.

9.   The federal Food and Drug Administration is trying to learn how often implants rupture and what illnesses, if any, may result from silicone exposure.

10.   The group called for more research on the frequency with which implants rupture and also asked for more data on the incidence of low-grade infections associated with implants.