The second type of crack exceeds way below the gum line, and is known as an oblique subgingival fracture. Once the fractured piece of tooth breaks off, it normally remains attached to the gums and cause result in terrible pain until you get it removed. Once you have had the piece of tooth removed from the gums, the tooth will be similar to the supragingival fracture. The tissue in the pulp is kept alive by the blood vessels that come from the tip of the root and travel along the root canal into the tooth. Decay is the main reason for pulp in the tooth dying. Once the decay has reached the pulp, it will keep eating away until the pulp has died. Once it dies, the toxins from the decay will be released into the root tip and make it s way into the jawbone. Toothaches are very painful, and it may seem that no matter what you do - it seems to hurt more. In the dental world, toothaches can include such things as cavities, infections or abscess in the teeth or gums, debris that has been trapped between the teeth and gums, and trauma to the face, teeth, or the jaw. Fillings work by closing out the area where the bacteria enters into teeth, helping to prevent any type of decay in the future. The materials used for fillings include porcelain, gold, composite resin, and amalgam. There is really no best type of filling, as several factors come into play. Your reaction to different material, the shape of the tooth, extent of repair, and where the filling is needed will be determining factors as to what material is used with your filling. You should also make sure you get eating surfaces as well, along with your upper and lower gums. If you focus on all areas of your mouth, you ll get everything when you brush. Along with using the proper brushing techniques, you will also need to use the right toothpaste as well. There are a variety of toothpastes available, designed to help you with a variety of different conditions. During the procedure, he will numb the area then drill a hole into the tooth. Using various tools and equipment, he will go down inside of the tooth and scrape away the nerves and dead pulp. This is a very effective procedure, although very time consuming as well. In most cases, a root canal can take several hours, although it is the only way to stop the dying pulp and save the tooth.