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Dental Restoration:

A dental restoration or dental filling is a dental restorative material used to restore the function, integrity and morphology of missing tooth structure. The structural loss typically results from caries or external trauma. Foods stuck in your teeth activate bacteria in your mouth to turn them into acids. The acids, food, and bacteria all combine to make what is called plaque and this plaque stubbornly clings to your teeth and eats away at your tooth enamel causing decay and cavities. Tooth decay is what will cause you to get what we call cavities, this decay can effect the enamel, outer layer of the tooth, and our dentin, the inner layer. It is also lost intentionally during tooth preparation to improve the aesthetics or the physical integrity of the intended restorative material. Dental restoration also refers to the replacement of missing tooth structure that is supported by dental implants. copied from Dental restoration

Direct Restoration:

This technique involves placing a soft or malleable filling into the prepared tooth and building up the tooth. The material is then set hard and the tooth is restored. The advantage of direct restorations is that they usually set quickly. n e laced The dentist has a variety of different filling options to choose from. The decision is usually made based off where the cavity was located on the tooth and how severe. Since the material is required to set while in contact with the tooth, limited energy can be passed to the tooth from the setting process without damaging it. Where strength is required, especially as the fillings become larger, indirect restorations may be the best choice in some cases. copied from Dental restoration

Socket preservation
Socket preservation is a procedure to reduce bone loss after tooth extraction to preserve the dental alveolus (tooth socket) in the alveolar bone. A platelet rich fibrin (PRF) membrane containing bone growth enhancing elements can be stitched over the wound or a graft material or scaffold is placed in the socket of an extracted tooth at the time of extraction. The socket is then directly closed with stitches or covered with a non-resorbable or resorbable membrane and sutured. Socket preservation is performed to avoid the tooth from shifting and altering the alignment. Not all dentists provide or consider this procedure necessary or valuable so it all depends on the practice. Copied from Dental restoration