A tooth (plural teeth) is a small, calcified, whitish structure found in the jaws (or mouths) of many vertebrates and used to break down food. Some animals, particularly carnivores, also use teeth for hunting or for defensive purposes. The roots of teeth are covered by gums.
Symptoms can include: 1  A popping sound (or a popping or snapping feeling) at the time of injury can sometimes be heard (or felt) if a ligament is completely torn. 2  Swelling of your knee. 3  Pain in your knee.  Tenderness around your knee on 1  touching. Not being able to use or move your knee normally.
Activity limitations. Knee ligament repair or reconstruction is a treatment for a complete tear of a knee ligament that results in instability in the knee. People with a torn knee ligament may be unable to do normal activities that involve twisting or turning at the knee.The knee may buckle or give-way..ctivity limitations. Knee ligament repair or reconstruction is a treatment for a complete tear of a knee ligament that results in instability in the knee. People with a torn knee ligament may be unable to do normal activities that involve twisting or turning at the knee.