Although in most cases the signs of tooth injury are obvious, other signs and symptoms may occur that can indicate the severity of the injury. For example, children who experience concussions may feel dental pain when the tooth is tapped with a dental instrument. Some teeth – such as primary incisors – may change color after a concussion.
Symptoms of subluxation (when a tooth is loosened but not knocked out of place) may include bleeding around the neck of the tooth. In many cases, a splint needs to be placed around the subluxated tooth to help repair the periodontal ligament.
Teeth that are fractured cause various symptoms depending on the extent of the fracture. For example, fractures of the enamel and dentin may lead to increased sensitivity of tooth to cold foods or drinks, or to air. Fractures that go beyond the enamel and dentin and reach the pulp may cause bleeding around the tooth or formation of a small red spot.
In addition, children who injure a primary tooth may lacerate tissues in the mouth, including the cheeks, lips and gums. If the tooth has been chipped or otherwise partially damaged, it may have sharp edges that can cause further damage.
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