Tooth number 5 is the upper right first premolar, a permanent (adult) tooth. In the FDI (ISO 3950) system it is 14, and in Palmer notation it is 4┘.
Tooth #5 at a glance
| Universal (US) | 5 |
| FDI / ISO 3950 | 14 |
| Palmer | 4┘ |
| Name | Upper right first premolar |
| Type | First premolar (adult tooth) |
| Jaw | Upper (maxilla) |
| Side | Patient’s right |
| Comes in | 10-11 yrs |
| Roots | 2 (buccal and palatal) |
| Root canals (usual) | 2 |
| Chewing surface | 2 cusps |
Where it is and what it does
It sits in the upper jaw on the patient’s right side, fourth from the midline, just behind the canine. Premolars (also called bicuspids) crush and tear food. They sit between the canines and the molars and share the work of both.
Neighbouring and related teeth
- In front of it (toward the midline): Tooth number 6, the upper right canine
- Behind it: Tooth number 4, the upper right second premolar
- Same tooth on the other side: Tooth number 12
- The matching tooth in the lower jaw: Tooth number 28
- Replaces: Baby tooth B, the baby upper right first molar
Common dental work on this tooth
Premolars commonly get fillings. First premolars are also the teeth most often removed to make space for orthodontic treatment (braces).
Questions
What tooth is number 5?
Tooth number 5 is the upper right first premolar. Numbers 1 to 32 are used for adult teeth in the Universal system used in the United States, starting with the upper right wisdom tooth.
What is tooth number 5 in the FDI and Palmer systems?
In FDI it is 14, said digit by digit (“one-four”). The first digit is the quadrant and the second is the position from the midline. In Palmer notation it is 4┘.
When does tooth 5 come in?
Usually at about 10-11 yrs. Timing varies from person to person.
For education only. This is not dental advice; your dentist can tell you what is right for your own teeth.