Tooth 11 (FDI): maxillary right central incisor

The three numbers

Careful with plain numbers: Universal 11 is a different tooth, the maxillary left canine (FDI 23).

About this tooth

Name

Maxillary right central incisor

Set

Adult (permanent)

Position

Upper arch, patient right (upper right, quadrant 1)

Erupts

7 to 8 years

Roots

1

Root canals

1

Crown surfaces

Mesial, distal, labial (facial), lingual and incisal.

Also written

#8 (Universal), 1.1 (FDI with a dot), upper right 1

Read on 23 October 2026. Sources: American Dental Association, Tooth development charts (primary and permanent); Number of roots and canals, from Ingle's Endodontics; Dental anatomy, citing Ash and Nelson, Wheeler's Dental Anatomy, Physiology and Occlusion. Ages and counts are usual figures, and teeth vary from person to person.

On the chart

Teeth next to it

• Toward the middle: 21 (maxillary left central incisor)
• Toward the back: 12 (maxillary right lateral incisor)
• Across the midline: 21 (maxillary left central incisor)
• In the other arch: 41 (mandibular right central incisor)

Convert any other tooth with the full chart.