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Enamel-dentine fracture is a complete fracture of the tooth enamel and dentine without the exposure of the pulp. Pulp sensibility testing is recommended to confirm pulpal health. Treatment depends on how close the fracture is in relation to the pulp.
3) Enamel-dentine fracture Fracture involving both enamel and dentine without pulp exposure Tooth not tender with normal mobility and pulpal response Loss of enamel and dentine May need lip or cheek x-ray to locate tooth fragments or other materials If available, tooth fragment can be bonded back onto the tooth
An enamel fracture occurs when the outer layer of the tooth, known as enamel, is fractured without directly impacting the underlying tooth tissues of the dentine or pulp. [1] This phenomenon typically arises from hard, external forces impacting the tooth to induce enamel breakage. [ 1 ]
More than 75% of tooth fractures occur in the upper jaw, with the majority affecting the anterior teeth—particularly the central incisors, followed by the lateral incisors and canines. This trend highlights the vulnerability of these teeth to trauma, often resulting in enamel infractions or more extensive fractures. [15]
Another consideration is unsupported tooth structure. When preparing the tooth to receive a restoration, unsupported enamel is removed to allow for a more predictable restoration. While enamel is the hardest substance in the human body, it is particularly brittle, and unsupported enamel fractures easily.
The passenger alleges she had to have emergency dental surgery due to "severe bodily injuries, ... including a root fracture of tooth number 10" — also known as the upper left lateral incisor. ...
A crack, fracture and the mobility of a tooth are all interrelated as the pain and symptoms experienced from a tooth that has been cracked are very similar to that of a tooth that has been fractured. [2] A tooth crack is defined as an incomplete fracture of enamel or dentine and therefore is not usually associated with noticeable mobility. [8]
Endodontically treated teeth, especially those with little sound tooth tissue, are prone to fractures. The successful clinical outcome for these teeth relies not only on adequate root canal treatment, but also on the type of restorative treatment used, including the use of a post and core system and the type of extra-coronal restoration selected.
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