Tooth 30 – Types of Human Teeth

Tooth 30 – Types of Human Teeth

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

Upper right

3rd molar (wisdom tooth)
2nd molar (12-yr molar)
1st molar (6-yr molar)

2nd bicuspid (2nd premolar)
1st bicuspid (1st premolar)
Cuspid (canine/eyetooth)

Lateral incisor
Central incisor
Upper left

Central incisor
Lateral incisor
Cuspid (canine/eyetooth)

1st bicuspid (1st premolar)
2nd bicuspid (2nd premolar)

1st molar (6-yr molar)
2nd molar (12-yr molar)
3rd molar (wisdom tooth)

Lower left

3rd molar (wisdom tooth)
2nd molar (12-yr molar)

1st molar (6-yr molar)
2nd bicuspid (2nd premolar)

1st bicuspid (1st premolar)
Cuspid (canine/eyetooth)

Lateral incisor
Central incisor
Lower right

Central incisor
Lateral incisor
Cuspid (canine/eyetooth)

1st bicuspid (1st premolar)
2nd bicuspid (2nd premolar)

1st molar (6-yr molar)
2nd molar (12-yr molar)
3rd molar (wisdom tooth)

Types-of-Human-Teeth

Tooth 30 – Types of Human Teeth

Left and right

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.

tooth 30

Universal numbering system

Although it is named the “universal numbering system”, it is also called the “American system” as it is only used in the United States.

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 with the upper teeth to the left side.

Then the count begins at the mandibular left third molar, designated number 17, and continues along with the bottom teeth to the right side.

Each tooth has a unique number or letter, allowing for easier use on keyboards.

Tooth 30 – Types of Human Teeth

External Links

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