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.
Symptoms of an LCL injury can be mild or severe, depending on the severity of the sprain or whether or not it is torn. If the ligament is mildly sprained, you may not have any symptoms at all. For a partial tear or complete tear of the ligament, your symptoms may include:1  swelling in the knee.ymptoms of an LCL injury can be mild or severe, depending on the severity of the sprain or whether or not it is torn. If the ligament is mildly sprained, you may not have any symptoms at all. For a partial tear or complete tear of the ligament, your symptoms may include: