Tooth 73 (FDI): mandibular left primary canine

The three numbers

About this tooth

Name

Mandibular left primary canine

Set

Baby (primary)

Position

Lower arch, patient left (lower left, quadrant 7)

Erupts

17 to 23 months

Sheds

9 to 12 years

Crown surfaces

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

Also written

Letter M (Universal), 7.3 (FDI with a dot), lower left C, primary cuspid

Read on 23 October 2026. Sources: American Dental Association, Tooth development charts (primary and permanent); 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: 72 (mandibular left primary lateral incisor)
• Toward the back: 74 (mandibular left primary first molar)
• Across the midline: 83 (mandibular right primary canine)
• In the other arch: 63 (maxillary left primary canine)

Convert any other tooth with the full chart.