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This is due to the close proximity of the apex of a primary tooth to the permanent tooth underneath. The permanent dentition can suffer from tooth malformation, impacted teeth and eruption disturbances due to trauma to primary teeth. The priority should always be reducing potential damage to the underlying permanent dentition. [36]
Damage to the inferior alveolar nerve is a risk of lower wisdom tooth removal (and other surgical procedures in the mandible). [20] This means there is a risk of temporary or permanent numbness or altered sensation to the lip +/- chin on the side the surgery is taking place.
These high risk wisdom teeth can be further assessed using cone beam CT imaging to assess and plan surgery to minimise nerve injury by careful extraction or undertaking a coronectomy procedure in healthy patients with healthy teeth. [9] The risk of nerve injury in relation to mandibular dental implants is not known but it is a recognised risk ...
Temporary and permanent inferior alveolar nerve (IAN) damage is a known complication of the surgical removal of impacted lower third molars, happening in 1 in 85 patients and 1 in 300 extractions, respectively. Studies have shown that certain risk factors may increase the likelihood of IAN damage.
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.
When extracting lower wisdom teeth, coronectomy is a treatment option involving removing the crown of the lower wisdom tooth, whilst keeping the roots in place in healthy patients. This option is given to patients as an alternative to extraction when the wisdom teeth are in close association with the inferior alveolar nerve , and so used to ...
The association between tooth ankylosis and orthodontic treatment are also observed in some cases, in which the leakage of etchant to the junction between cementum and enamel during the surgery, damage to the junction or tilting of the tooth may be some possible mechanisms to relate the disease to the treatment.
The inferior alveolar nerve to anaesthetise all of the teeth in the mandibular arch; The long buccal nerve which supplies the soft tissue buccally to the mandibular molars; The lingual nerve which anaesthetising stops sensation to the lingual aspect of the gingiva, floor of the mouth and the tongue to the midline on that particular side
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