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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.
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 ]
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
Enamel infractions are microcracks seen within the dental enamel of a tooth. [1] They are commonly the result of dental trauma to the brittle enamel, which remains adherent to the underlying dentine. They can be seen more clearly when transillumination is used. Enamel infractions are found more often in older teeth, as the accumulated trauma is
Sedative material placed over exposed or nearly exposed pulp 1) crown 2) root 3) restoration 4) pulp cap 5) pulp chamber Pulpal dentin junction. 1) outside tooth/enamel 2) dentin tubule 3) dentin 4) odontoblastic process 5) predentin 6) odontoblast 7) capillaries 8) fibroblasts 9) nerve 10) artery/vein 11) cell-rich zone 12) cell-poor zone 13) pulp chamber
This is a histologic cross-section of a tooth and shows enamel (top right, slightly reddish with crack to the surface edge in corner) and dentin (bottom left, two slightly purplish light and then dark bands). The lightish boundary between them is the dentinoenamel junction. From this can be seen enamel tufts growing towards the top right.
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.
Tooth wear is a very common condition that occurs in approximately 97% of the population. [2] This is a normal physiological process occurring throughout life; but with increasing lifespan of individuals and increasing retention of teeth for life, the incidence of non-carious tooth surface loss has also shown a rise. [3]
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