The Universal Numbering System, sometimes called the “American System”, is a dental notation system commonly used in the United States. 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.
What are the 2 numbering systems in dentistry?
FDI World Dental Federation (ISO) notation The FDI notation uses a two-digit numbering system in which the first digit represents a tooth’s quadrant and the second digit represents the number of the tooth from the midline of the face.
What is FDI tooth numbering system?
The Fédération Dentaire Internationale or FDI World Dental Federation notation system is a commonly used system for the numbering and naming of teeth. The system uses a two number system for the location and naming of each tooth.
What kind of tooth is #4?
The bicuspids are #4, 5, 12, 13 (upper jaw) and #20, 21, 28, 29 (lower jaw). Bicuspids are a sort of “in-between tooth,” with the properties of both the canine and molar teeth. These teeth transfer food from the canines to the molars for proper grinding.
Where is number 15 tooth located?
Number 15: 2nd Molar. Number 16: 3rd Molar or wisdom tooth. Number 17: 3rd Molar or wisdom tooth (lower left ) Number 18: 2nd Molar.
Which tooth is number 46?
TOOTH CODES
| Tooth Name | Tooth Code |
|---|---|
| Primary Maxillary Left Central Incisor | (F) 46 |
| Primary Maxillary Left Lateral Incisor | (G) 47 |
| Primary Maxillary Left Canine Molar | (H) 48 |
| Primary Maxillary Left First Molar | (I) 49 |
What teeth are K and T?
The primary canines or cuspids are teeth C,H,M,R. The primary first molars are teeth B,I,L,S. The primary second molars are teeth A,J,K,T.
