Editing Tooth enamel (section)

{{Short description|Major tissue that makes up part of the tooth in humans and many animals}}
{{Use dmy dates|date=May 2020}}
{{Infobox anatomy
| Name        = Tooth enamel
| Latin       = enamelum
| Image       = Labeledmolar.jpg
| Caption     = Labeled molar
| Image2      =
| Caption2    =
| Precursor   =
| System      =
| Artery      =
| Vein        =
| Nerve       =
| Lymph       =
}}
[[File:Blausen 0863 ToothAnatomy 02.png|thumb|Parts of a tooth, including the enamel (cross section)]]

'''Tooth enamel''' is one of the four major [[Tissue (biology)|tissues]] that make up the [[tooth]] in humans and many animals, including some species of fish. It makes up the normally visible part of the tooth, covering the [[Crown (tooth)|crown]]. The other major tissues are [[dentin]], [[cementum]], and [[Pulp (tooth)|dental pulp]]. It is a very hard, white to off-white, highly mineralised substance that acts as a barrier to protect the tooth but can become susceptible to degradation, especially by acids from food and drink. In rare circumstances enamel fails to form, leaving the underlying dentin exposed on the surface.<ref>{{Cite web|url=https://www.researchgate.net/publication/319987728|title=Severe Plane-Form Enamel Hypoplasia in a Dentition from Roman Britain|website=ResearchGate|language=en|access-date=2019-01-09}}</ref>