In many cases, the implant will remain intact. However, if there is a sudden trauma to an aged breast implant, as during a mammogram or a car accident, this can provoke an implant rupture. When a saline implant ruptures, the patient will typically notice a decrease in the size of the breast. Jan 28, - Ruptures are a risk with either kind of breast implant. Ruptures might be caused by surgical error, a fall, or -- very rarely -- the pressure exerted on the breast during a mammogram. But the implications of a rupture are a little different for the two types. Saline implant ruptures are easy to spot.