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{{Short description|American dental notation system}}
{{About|the dental notation system|the metal alloy numbering system|Unified numbering system}}
{{About|the dental notation system|the metal alloy numbering system|Unified numbering system}}
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[[File:Universal Numbering System.svg|thumb|Universal numbering system. This is a "doctor's view", so tooth number 1, the rear upper tooth on the patient's right, appears on the left.]]
The '''Universal Numbering System''' is a [[dental notation]] system for associating information to a specific tooth,<ref>{{Cite web|title=Tooth Numbering Systems |work=Oral Health Topics A–Z |publisher=American Dental Association |url=http://www.ada.org/public/topics/tooth_number.asp |accessdate=2014-05-26 |deadurl=yes |archiveurl=https://web.archive.org/web/20061102074427/http://www.ada.org/public/topics/tooth_number.asp |archivedate=November 2, 2006 }} (www.archive.org link)</ref> and is commonly used in the United States.


⚫
[[File:Universal Numbering System.svg|thumb|Universal numbering system. This is a dental practitioner view, so tooth number 1, the rear upper tooth on the patient's right, appears on the left of the chart.]]
⚫
The designations "left" and "right" on the chart correspond to the patient's left and right, respectively.
The '''Universal Numbering System''', sometimes called the "American System", is a [[dental notation]] system commonly used in the United States.<ref>{{Cite web|title=Tooth Numbering Systems |work=Oral Health Topics A–Z |publisher=American Dental Association |url=http://www.ada.org/public/topics/tooth_number.asp |access-date=2014-05-26 |url-status=dead |archive-url=https://web.archive.org/web/20061102074427/http://www.ada.org/public/topics/tooth_number.asp |archive-date=November 2, 2006 }} (www.archive.org link)</ref><ref>{{Cite web |last=American Dental Association |date=August 2022 |title=Universal Tooth Designation System |url=https://www.ada.org/-/media/project/ada-organization/ada/ada-org/files/publications/cdt/ada_utds_value_set_v1_2022_aug.pdf |url-status=live |archive-url=https://web.archive.org/web/20230306005239/https://www.ada.org/-/media/project/ada-organization/ada/ada-org/files/publications/cdt/ada_utds_value_set_v1_2022_aug.pdf |archive-date=2023-03-06 |access-date=2023-03-10 |website=ValueSet - Universal Tooth Designation System ada.org}}</ref>

Most of the rest of the world uses the [[FDI World Dental Federation notation]], accepted as an international standard by the [[International Standards Organization]] as ISO 3950.<ref>[http://standardsforum.com/iso-3950/ ISO 3950 Updated – Dentistry Designation System]</ref> However, dentists in the United Kingdom commonly still use the older [[Palmer notation]] despite the difficulty in representing its graphical components in computerized (non-handwritten) records.

==Left and right==
Dental charts are normally arranged from the viewpoint of a [[dentist|dental practitioner]] facing a patient. The patient's right side appears on the left side of the chart, and the patient's left side appears on the right side of the chart.

⚫
The labels "right" and "left" on the charts in this article correspond to the patient's right and left, respectively.


== Universal numbering system ==
== Universal numbering system ==


Although it is named the "universal numbering system", it is also called the "American system" as it is commonly used in the United States.<ref>{{cite web|title=Histology: A Text and Atlas by Michael H. Ross • Wojciech Pawlina|url=https://www.inkling.com/read/histology-michael-ross-and-wojciech-pawlina-6th/chapter-16/folder-16-2}}</ref> The uppercase letters ''A'' through ''T'' are used for primary teeth and the numbers 1 - 32 are used for permanent teeth. The tooth designated "1" is the maxillary right third molar ("[[wisdom tooth]]") and the count continues along the upper teeth to the left side. Then the count begins at the mandibular left third molar, designated number 17, and continues along the bottom teeth to the right side. Each tooth has a unique '''number''' or '''letter''', allowing for easier use on keyboards.
Although it is named the "universal numbering system", it is also called the "American system" as it is only used in the United States.<ref>{{cite web|title=Histology: A Text and Atlas by Michael H. Ross • Wojciech Pawlina|url=https://www.inkling.com/read/histology-michael-ross-and-wojciech-pawlina-6th/chapter-16/folder-16-2}}</ref> The uppercase letters ''A'' through ''T'' are used for primary teeth and the numbers 1 - 32 are used for permanent teeth. The tooth designated "1" is the maxillary right third molar ("[[wisdom tooth]]") and the count continues along the upper teeth to the left side. Then the count begins at the mandibular left third molar, designated number 17, and continues along the bottom teeth to the right side. Each tooth has a unique '''number''' or '''letter''', allowing for easier use on keyboards.


{| class="wikitable"
{| class="wikitable"
|+ Universal numbering system table
|+ Universal numbering system table
|-
|-
! colspan=16 align="center"| Permanent Dentition
! colspan=16 align="center"| Permanent dentition
|-
|-
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
Line 24: Line 31:
| colspan=16 align="center"|
| colspan=16 align="center"|
|-
|-
! colspan=16 align="center"| Primary Dentition
! colspan=16 align="center"| Primary dentition
|-
|-
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
Line 36: Line 43:
| colspan=16 align="center"|
| colspan=16 align="center"|
|-
|-
! colspan=16 align="center"| Alternate system for Primary Dentition
! colspan=16 align="center"| Alternate system for primary dentition
|-
|-
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
! colspan=8 align="center"| upper right!! colspan=8 align="center"| upper left
Line 47: Line 54:
|}
|}


==Tooth Numbering==
==Tooth numbering==
{{comparison_of_dental_notations.svg}}
Permanent teeth and their assigned numbers (Universal Tooth Numbering System)
Permanent teeth and their assigned numbers (Universal Tooth Numbering System)

<pre> upper right
Upper right
⚫
1. 3rd Molar (wisdom tooth)
{{ordered list
⚫
2. 2nd Molar (12-yr molar)
3. 1st Molar (6-yr molar)
| 3rd molar (wisdom tooth)
4. 2nd Bicuspid (2nd premolar)
| 2nd molar (12-yr molar)
5. 1st Bicuspid (1st premolar)
| 1st molar (6-yr molar)
⚫
| 2nd bicuspid (2nd premolar)
⚫
6. Cuspid (canine/eye tooth)
⚫
| 1st bicuspid (1st premolar)
⚫
7. Lateral incisor
⚫
| Cuspid (canine/eye tooth)
⚫
8. Central incisor
⚫
| Lateral incisor
</pre>
⚫
| Central incisor
<pre> upper left
}}
⚫
9. Central incisor
Upper left
⚫
10. Lateral incisor
{{ordered list|start=9
⚫
11. Cuspid (canine/eye tooth)
⚫
| Central incisor
⚫
12. 1st Bicuspid (1st premolar)
⚫
| Lateral incisor
⚫
13. 2nd Bicuspid (2nd premolar)
⚫
| Cuspid (canine/eye tooth)
⚫
14. 1st Molar (6-yr molar)
⚫
| 1st bicuspid (1st premolar)
⚫
15. 2nd Molar (12-yr molar)
⚫
| 2nd bicuspid (2nd premolar)
⚫
16. 3rd Molar (wisdom tooth)
⚫
| 1st molar (6-yr molar)
</pre>
⚫
| 2nd molar (12-yr molar)
<pre> lower left
17. 3rd Molar (wisdom tooth)
| 3rd molar (wisdom tooth)
}}
⚫
18. 2nd Molar (12-yr molar)
Lower left
⚫
19. 1st Molar (6-yr molar)
{{ordered list|start=17
⚫
20. 2nd Bicuspid (2nd premolar)
⚫
| 3rd molar (wisdom tooth)
⚫
21. 1st Bicuspid (1st premolar)
⚫
| 2nd molar (12-yr molar)
⚫
22. Cuspid (canine/eye tooth)
⚫
| 1st molar (6-yr molar)
⚫
23. Lateral incisor
⚫
| 2nd bicuspid (2nd premolar)
⚫
24. Central incisor
⚫
| 1st bicuspid (1st premolar)
</pre>
⚫
| Cuspid (canine/eye tooth)
<pre> lower right
25. Central incisor
| Lateral incisor
26. Lateral incisor
| Central incisor
}}
27. Cuspid (canine/eye tooth)
Lower right
⚫
28. 1st Bicuspid (1st premolar)
{{ordered list|start=25
⚫
29. 2nd Bicuspid (2nd premolar)
⚫
| Central incisor
⚫
30. 1st Molar (6-yr molar)
⚫
| Lateral incisor
31. 2nd Molar (12-yr molar)
32. 3rd Molar (wisdom tooth)
| Cuspid (canine/eye tooth)
| 1st bicuspid (1st premolar)
</pre>
| 2nd bicuspid (2nd premolar)
⚫
| 1st molar (6-yr molar)
⚫
| 2nd molar (12-yr molar)
⚫
| 3rd molar (wisdom tooth)
}}


==See also==
==See also==
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==External links==
==External links==
*[http://www.drbunn.com/faq/tooth-numbering Dr. Bunn page on dental notations].
*[http://www.drbunn.com/faq/tooth-numbering Dr. Bunn page on dental notations].
*[https://www.youtube.com/watch?v=i5Ihx2aV7VA&t=51s Video regarding the Universal Numbering System]

{{Tooth anatomy}}


[[Category:Dentistry definitions]]
[[Category: Dentistry terminology|.]]
[[Category:Human mouth anatomy]]
[[Category: Human mouth anatomy|*]]

Latest revision as of 22:27, 28 November 2023

This article is about the dental notation system. For the metal alloy numbering system, see Unified numbering system.
Universal numbering system. This is a dental practitioner view, so tooth number 1, the rear upper tooth on the patient's right, appears on the left of the chart.

The Universal Numbering System, sometimes called the "American System", is a dental notation system commonly used in the United States.[1][2]

Most of the rest of the world uses the FDI World Dental Federation notation, accepted as an international standard by the International Standards Organization as ISO 3950.[3] However, dentists in the United Kingdom commonly still use the older Palmer notation despite the difficulty in representing its graphical components in computerized (non-handwritten) records.

Left and right[edit]

Dental charts are normally arranged from the viewpoint of a dental practitioner facing a patient. The patient's right side appears on the left side of the chart, and the patient's left side appears on the right side of the chart.

The labels "right" and "left" on the charts in this article correspond to the patient's right and left, respectively.

Universal numbering system[edit]

Although it is named the "universal numbering system", it is also called the "American system" as it is only used in the United States.[4] The uppercase letters A through T are used for primary teeth and the numbers 1 - 32 are used for permanent teeth. The tooth designated "1" is the maxillary right third molar ("wisdom tooth") and the count continues along the upper teeth to the left side. Then the count begins at the mandibular left third molar, designated number 17, and continues along the bottom teeth to the right side. Each tooth has a unique number or letter, allowing for easier use on keyboards.

Universal numbering system table
Permanent dentition
upper right upper left
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
lower right lower left
Primary dentition
upper right upper left
A B C D E F G H I J
T S R Q P O N M L K
lower right lower left
Alternate system for primary dentition
upper right upper left
1d 2d 3d 4d 5d 6d 7d 8d 9d 10d
20d 19d 18d 17d 16d 15d 14d 13d 12d 11d
lower right lower left

Tooth numbering[edit]

Comparison of alphanumeric notation, Palmer notation, ISO 3950 (FDI) notation, Universal Numbering System, and paleoanthropology notation

Permanent teeth and their assigned numbers (Universal Tooth Numbering System)

Upper right

  1. 3rd molar (wisdom tooth)
  2. 2nd molar (12-yr molar)
  3. 1st molar (6-yr molar)
  4. 2nd bicuspid (2nd premolar)
  5. 1st bicuspid (1st premolar)
  6. Cuspid (canine/eye tooth)
  7. Lateral incisor
  8. Central incisor

Upper left

  1. Central incisor
  2. Lateral incisor
  3. Cuspid (canine/eye tooth)
  4. 1st bicuspid (1st premolar)
  5. 2nd bicuspid (2nd premolar)
  6. 1st molar (6-yr molar)
  7. 2nd molar (12-yr molar)
  8. 3rd molar (wisdom tooth)

Lower left

  1. 3rd molar (wisdom tooth)
  2. 2nd molar (12-yr molar)
  3. 1st molar (6-yr molar)
  4. 2nd bicuspid (2nd premolar)
  5. 1st bicuspid (1st premolar)
  6. Cuspid (canine/eye tooth)
  7. Lateral incisor
  8. Central incisor

Lower right

  1. Central incisor
  2. Lateral incisor
  3. Cuspid (canine/eye tooth)
  4. 1st bicuspid (1st premolar)
  5. 2nd bicuspid (2nd premolar)
  6. 1st molar (6-yr molar)
  7. 2nd molar (12-yr molar)
  8. 3rd molar (wisdom tooth)

See also[edit]

References[edit]

  1. ^ "Tooth Numbering Systems". Oral Health Topics A–Z. American Dental Association. Archived from the original on November 2, 2006. Retrieved 2014-05-26. (www.archive.org link)
  2. ^ American Dental Association (August 2022). "Universal Tooth Designation System" (PDF). ValueSet - Universal Tooth Designation System ada.org. Archived (PDF) from the original on 2023-03-06. Retrieved 2023-03-10.
  3. ^ ISO 3950 Updated – Dentistry Designation System
  4. ^ "Histology: A Text and Atlas by Michael H. Ross • Wojciech Pawlina".

External links[edit]

Retrieved from "https://en.wikipedia.org/w/index.php?title=Universal_Numbering_System&oldid=1187383001"