Braces brackets but no wire9/13/2023 ![]() ![]() Types "Clear" braces Upper and Lower Jaw Functional Expanders Without bone deposition, the tooth will loosen, and voids will occur distal to the direction of tooth movement. Bone deposition occurs in the distracted periodontal ligament. Another important factor associated with tooth movement is bone deposition. Two different kinds of bone resorption are possible: direct resorption, which starts from the lining cells of the alveolar bone, and indirect or retrograde resorption, which occurs when the periodontal ligament has been subjected to an excessive amount and duration of compressive stress. Bones are made of cells called osteoclasts and osteoblasts. Bone remodelling is a biomechanical process responsible for making bones stronger in response to sustained load-bearing activity and weaker in the absence of carrying a load. The process loosens the tooth after which new bone grows to support the tooth in its new position. īraces have constant pressure which, over time, moves teeth into the desired positions. Sometimes springs or rubber bands are used to put more force in a specific direction. The teeth move when the arch wire puts pressure on the brackets and teeth. ![]() There are traditionally four basic elements used: brackets, bonding material, arch wire, and ligature elastic (also called an "O-ring"). The application of braces moves the teeth as a result of force and pressure on the teeth. Dental braces are often used in conjunction with other orthodontic appliances to help widen the palate or jaws and to otherwise assist in shaping the teeth and jaws. Braces can be either cosmetic or structural. They are often used to correct underbites, as well as malocclusions, overbites, open bites, gaps, deep bites, cross bites, crooked teeth, and various other flaws of the teeth and jaw.
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