Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.rethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has the additional function of ejaculating semen when the man reaches orgasm.
Collagen plugs. Collagen is a component of connective tissue. The dentist places a sponge like material made of specially processed bovine collagen into the socket and sutures it in place. A collagen plug is a good deal less expensive than a bone graft, and the procedure for placing it is easier.ollagen is a component of connective tissue. The dentist places a sponge like material made of specially processed bovine collagen into the socket and sutures it in place. A collagen plug is a good deal less expensive than a bone graft, and the procedure for placing it is easier.
This is because the amalgam filling corrodes and goes on to seal the borders of the filling and plugs in any leaks. On the other hand, a composite filling usually gets infected by the saliva in the mouth. This makes the resin that binds the filling loosen and the tooth has a leak sprout in it.Also, if there are the minutest of gaps left in your tooth, then the filling will shrink and a leak appears. Over a period of time this will be gone and the filling may need to be re-worked by a dentist.Fillings over a period of time do develop leaks and that is the time when one needs to revisit a dentist.his is because the amalgam filling corrodes and goes on to seal the borders of the filling and plugs in any leaks. On the other hand, a composite filling usually gets infected by the saliva in the mouth. This makes the resin that binds the filling loosen and the tooth has a leak sprout in it.