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Dental intrusion is an apical displacement of the tooth into the alveolar bone.This injury is accompanied by extensive damage to periodontal ligament, cementum, disruption of the neurovascular supply to the pulp, and communication or fracture of the alveolar socket.
If apex of tooth is displaced towards the palate and making contact with the tooth germ then tooth is extracted Intrusive Luxation: Displacement of tooth into the alveolar bone (pushed into the socket) causing fracture of the alveolar bone. It is the most damaging injury to the tooth and supporting tissues as ankylosis and pulp necrosis can occur.
Dental injuries involving the permanent teeth happen to almost 25% of children in school and 30% of adults. The incident varies in different countries as well as within the country itself. Dental traumatic accidents depends on one's activity status and also the surrounding environment factor but these are the main predisposing risk factor ...
Tooth mobility is the horizontal or vertical displacement of a tooth beyond its normal physiological boundaries [1] around the gingival (gum) area, i.e. the medical term for a loose tooth. Tooth loss implies in loss of several orofacial structures, such as bone tissues, nerves, receptors and muscles and consequently, most orofacial functions ...
This leads to an inflammatory process that causes external root resorption. [16] Alternatively, pressure may also cause external inflammatory root resorption. Specifically, application of heavy, continuous, and intrusive (i.e. directed toward the bone) forces during orthodontic tooth movement are associated with external root resorption. [17]
Dental avulsion is a true dental emergency in which prompt management affects the prognosis of the tooth. [14] Replantation of the tooth within 15 minutes is associated with the best prognosis as periodontal ligament (PDL) cells are still viable.
Dental trauma is a major global health issue and it affects 17.5% of children and adolescents. [9] It is most commonly seen in school children. Dental subluxation is one of the most common traumatic injuries in primary dentition. Maxillary central incisors are the most commonly affected teeth.
Dental check-ups should occur every six months. Children or adults who are incapable of caring for their own teeth should be assisted with oral hygiene in order to prevent tooth loss. [5] In contact sports, risk of mouth trauma and tooth injury is reduced by wearing mouthguards and helmets with a facemask (e.g., a football helmet, a goalie mask).