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.
Torn Ligament: Causes, Symptoms, Treatment: Torn Ligament. The ligaments in all joints strengthen the articular capsule and in so doing stabilise the joint. Ligament strains or tears occur if the joint is twisted or overstretched. Ankles and knees are particularly often affected by ligament strains or tears. Symptoms of a Torn Ligament . There is usually a cracking or a snapping sound when a ligament is torn. Symptoms include bruising, swelling as well as pain with pressure of the joint. There is only limited movement of the joint, if it can be moved at all. A dent can be seen where the ligament has been torn.