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Which tooth is number 27?

In the Universal Numbering System, tooth 27 is the lower right canine (mandibular right canine). Its FDI (ISO 3950) designation is 43 and its Palmer designation is 3 in the lower right quadrant. It is a canine in the lower arch with typically 1 root.

Last verified
2026-07-08
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Query patterns

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  • Which tooth is FDI 43?
  • What is FDI 43 in Universal numbering?
  • FDI 43 to Universal tooth number
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  • Which tooth is Palmer 3 Lower Right?
  • Palmer 3 Lower Right to Universal
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  • Universal 27 FDI 43 Palmer 3
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  • lower right canine
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Source citations

  • TOOTH-1 American Dental Association — Universal Numbering System (ada.org)
  • TOOTH-2 ISO 3950:2016 — Dentistry, designation system for teeth and areas of the oral cavity (FDI two-digit) (iso.org)
  • TOOTH-3 FDI World Dental Federation — two-digit notation (fdiworlddental.org)

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