What are the 3 different tooth numbering systems?

What are the 3 different tooth numbering systems?

The three most common systems are the FDI World Dental Federation notation (ISO 3950), the Universal Numbering System, and the Palmer notation.

What are tooth codes?


Tooth Name Tooth Code
Primary Maxillary Right Lateral Incisor (D) 44
Primary Maxillary Right Central Incisor (E) 45
Primary Maxillary Left Central Incisor (F) 46
Primary Maxillary Left Lateral Incisor (G) 47

What is the most used tooth numbering system?

Universal Numbering System This is by far the most used dental numbering system by general dentists. The teeth will be numbered between 1 and 32, beginning with the farthest tooth to the back on the upper right side of the jaw.

What is the ISO numbering system dental?

ISO System by the World Health Organization The ISO System uses a two-digit numbering system where the first digit represents the quadrant of the tooth and the second digit represents the number of the tooth from the midline of the face.

What is tooth No 37?

FDI tooth 22: Quadrant 2 is upper left, and tooth number 2 is the second tooth from the centre being the “lateral” incisor tooth. Hence upper left lateral incisor. FDI tooth 37: Quadrant 3 is lower left, tooth number 7 is the 7th tooth from the centre, known as the second molar tooth.

How do you read a dental number chart?

The standard tooth numbering system is from 1 to 32. Tooth number 1 is the tooth farthest back on the right side of your mouth in the upper (maxillary) jaw. Numbering continues along your upper teeth toward the front and across to the tooth farthest back on the top left side number 16.

How many tooth numbering systems are there?

Tooth numbering provides dentists with an essential shortcut in clinical record keeping. Materials and Methods: Three systems are favored worldwide: the Zsigmondy/Palmer system, the Universal system, and the Federation Dentaire Internationale (FDI) Two-Digit system.

What is the Palmer system?

Palmer notation, also known as the Zsigmondy system or Zsigmondy-Palmer system, is a nomenclature for numbering and naming of teeth, primarily used in the United Kingdom.

Does everyone have 32 teeth?

A normal adult mouth has 32 teeth, which (except for wisdom teeth) have erupted by about age 13: Incisors (8 total): The middlemost four teeth on the upper and lower jaws. Canines (4 total): The pointed teeth just outside the incisors. Premolars (8 total): Teeth between the canines and molars.

How do you read teeth numbers?

Teeth numbers 1 – 16 are on the upper jaw. Teeth numbers 17 – 32 are in the lower jaw. As an example, teeth numbers 1, 16, 17, and 32 are your wisdom teeth. Teeth numbers 14 and 15 are your upper left molars.

What is the Palmer numbering system?

The Palmer notation consists of a symbol (⏌⎿ ⏋⎾) designating in which quadrant the tooth is found and a number indicating the position from the midline. Adult teeth are numbered 1 to 8, with deciduous (baby) teeth indicated by a letter A to E.

What is tooth 48?

Wisdom teeth (third molars) : upper right (18), upper left (28), lower left (38) and lower right (48) (there are 12 molars).

What is FDI tooth numbering system?

For adults, the mouth is divided into quadrants numbered from 1 to 4 clockwise starting from the upper-left from the dentist’s view. (The patient’s right corresponds to tooth chart’s left side). The adult teeth are numbered from 1 to 8, going from the central incisor, canines, premolars to the third molar.

Why do I have 28 teeth?

Because many adults have had their wisdom teeth removed, it is common for many people to have only 28 teeth. Usually all adult teeth have formed and erupted into the mouth by the time a person is 21 years old (except for the wisdom teeth, which sometimes don’t have space to erupt).

What is tooth number 16 called?

Number 16: 3rd Molar or wisdom tooth.

How do dentists number teeth chart?

Figure 1. Teeth numbers diagram. The human teeth is composed of 16 upper teeth and 16 lower teeth. They are also divided into four quadrants….Tooth Numbering and Names, Organized Clockwise from the Point of View of the Dentist:

Upper Right Quadrant
Teeth Numbers Teeth Names
2 Molar (2nd Molar)
1 Wisdom Tooth (3rd Molar)

What tooth number is 32?

Tooth Numbering System Each tooth then progresses up one number all the way across to the 3rd molar (wisdom tooth) on the left side of the mouth (#16). #17 will be the lower left wisdom tooth and counting clockwise, the last tooth will be #32, the lower right wisdom tooth.