Enamel fracture

An enamel fracture, or chip, is a complete fracture of the tooth enamel without the involvement of the dentine and pulp.^[1] A fracture occurs when a tooth contacts a hard object with enough force to break a section of enamel.^[2] Chips form with minimal plastic deformation since enamel is strong but brittle.^[3] A fracture typically occurs as an irregular break on the occlusal edge of the enamel, and is therefore different to other forms of tooth wear that leave smooth surfaces. Pulp sensibility testing is recommended to confirm pulpal health. Treatment depends on the size of the fractures. If a tooth fragment is still available, it can be bonded to the tooth. For small or minor fractures, it can be smoothed to remove rough margins and edges. For a larger or major fractures, dental composite resin can be used to mask the defective enamel for aesthetic purpose.^[4] In archaeological samples enamel fractures can give insight into the diet and behaviour of past populations.^[5]

References

↑ Towle, Ian; Irish, Joel D.; Groote, Isabelle De (2017). "Behavioral inferences from the high levels of dental chipping in Homo naledi" (in en). American Journal of Physical Anthropology 164 (1): 184–192. doi:10.1002/ajpa.23250. ISSN 1096-8644. PMID 28542710. http://researchonline.ljmu.ac.uk/id/eprint/6367/3/Towle%20et%20al%20Homo%20naledi%20chipping%20%282%29.pdf.
↑ Lawn, Brian R.; Chai, Herzl (2007-05-01). "Edge chipping of brittle materials: effect of side-wall inclination and loading angle" (in en). International Journal of Fracture 145 (2): 159–165. doi:10.1007/s10704-007-9113-2. ISSN 1573-2673.
↑ Xu, H.H.K.; Smith, D.T.; Jahanmir, S.; Romberg, E.; Kelly, J.R.; Thompson, V.P.; Rekow, E.D. (1998). "SAGE Journals: Your gateway to world-class journal research" (in en). Journal of Dental Research 77 (3): 472–480. doi:10.1177/00220345980770030601. PMID 9496920.
↑ "Enamel fracture – Dental Trauma Guide" (in en-US). https://dentaltraumaguide.org/free-dental-guides/permanent-teeth/enamel-fracture/.
↑ "Behavioral inferences from the high levels of dental chipping in Homo naledi" (in en). https://www.researchgate.net/publication/317189250.

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[:0-1] Towle, Ian; Irish, Joel D.; Groote, Isabelle De (2017). "Behavioral inferences from the high levels of dental chipping in Homo naledi" (in en). American Journal of Physical Anthropology 164 (1): 184–192. doi:10.1002/ajpa.23250. ISSN 1096-8644. PMID 28542710. http://researchonline.ljmu.ac.uk/id/eprint/6367/3/Towle%20et%20al%20Homo%20naledi%20chipping%20%282%29.pdf.

[2] Lawn, Brian R.; Chai, Herzl (2007-05-01). "Edge chipping of brittle materials: effect of side-wall inclination and loading angle" (in en). International Journal of Fracture 145 (2): 159–165. doi:10.1007/s10704-007-9113-2. ISSN 1573-2673.

[3] Xu, H.H.K.; Smith, D.T.; Jahanmir, S.; Romberg, E.; Kelly, J.R.; Thompson, V.P.; Rekow, E.D. (1998). "SAGE Journals: Your gateway to world-class journal research" (in en). Journal of Dental Research 77 (3): 472–480. doi:10.1177/00220345980770030601. PMID 9496920.

[4] "Enamel fracture – Dental Trauma Guide" (in en-US). https://dentaltraumaguide.org/free-dental-guides/permanent-teeth/enamel-fracture/.

[5] "Behavioral inferences from the high levels of dental chipping in Homo naledi" (in en). https://www.researchgate.net/publication/317189250.

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Enamel fracture

Topic: Medicine

References