Upper central secondary incisor tooth at a glance
- What it is
- The permanent upper central incisor, the largest and most prominent incisor, beside the midline of the upper jaw.
- Location
- It lies in the upper dental arch, as the central tooth of the maxillary arch next to the midline.
- Function
- It cuts and shears food.
- Body system
- Digestive · paired (left and right)
- FMA ID
- FMA55682 (Foundational Model of Anatomy)
Key facts
- Typical eruption age: about 7 to 8 years.
- FDI notation: 11 (right) and 21 (left).
- It is the largest incisor, with the widest crown and a single conical root.
- It is supplied by the anterior superior alveolar nerve; the palatal gum behind it by the nasopalatine nerve.
Clinical relevance
It is the tooth most often injured in falls and sports because of its prominent position.
Structures next to the upper central secondary incisor tooth
The nearest named structures in the 3D model, measured from the centre of each part:
- Upper lateral secondary incisor tooth · digestive
- Lip · digestive
- Upper secondary canine tooth · digestive
- Upper first secondary premolar tooth · digestive
- Major alar cartilage · respiratory
- Gingiva of upper jaw · digestive
- Lower central secondary incisor tooth · digestive
- Lower lateral secondary incisor tooth · digestive
- Upper second secondary premolar tooth · digestive
- Lower secondary canine tooth · digestive
References
- Foundational Model of Anatomy: Upper central secondary incisor tooth (FMA55682). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §23.1 Overview of the Digestive System. Rice University, 2022.
- Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.
Related anatomy
Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.