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Dr. Gregory Ganzkow, DDS
Family Dentistry, Gnathology, and Orthodontics
18528 Firlands Way North, Ste A, Shoreline WA
Phone: 206.542.3535 Fax: 206.542.8985

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Greg Ganzkow, DDS
Your Shoreline, WA Dentist

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Tooth Charts
When in the dental chair at your dentists office you may have noticed that the doctor, when making references to your teeth, does not call them by name but by number. To help you better understand which tooth is being referred to during your visit this chart may be handy to print out and take with you. You can have the Doctor circle the tooth or teeth that he is checking or working on, The chart is pictured is as if you're facing your dentist and he/she has their mouth wide open.

Dental Shoreline WA permanent number chart
1. 3rd Molar (wisdom tooth) 2. 2nd Molar (12-year molar)
3. 1st Molar (6-year molar) 4. 2nd Bicuspid (2nd premolar)
5. 1st Bicuspid (1st premolar) 6. Cuspid (canine/eye tooth)
7. Lateral incisor 8. Central incisor
9. Central incisor 10. Lateral incisor
11. Cuspid (canine/eye tooth 12. 1st Bicuspid (1st premolar)
13. 2nd Bicuspid (2nd premolar 14. 1st Molar (6-year molar)
15. 2nd Molar (12-year molar 16. 3rd Molar (wisdom tooth)
17. 3rd Molar (wisdom tooth) 18. 2nd Molar (12-year molar)
19. 1st Molar (6-year molar) 20. 2nd Bicuspid (2nd premolar)
21. 1st Bicuspid (1st premolar) 22. Cuspid (canine/eye tooth)
23. Lateral incisor 24. Central incisor
25. Central incisor 26. Lateral incisor
27. Cuspid (canine/eye tooth) 28. 1st Bicuspid (1st premolar)
29. 2nd Bicuspid (2nd premolar) 30. 1st Molar (6-year molar)
31. 2nd Molar (12-year molar) 32. 3rd Molar(wisdom tooth)

As seen from the chart, the first teeth begin to break through the gums at about 6 months of age. Usually, the first two teeth to erupt are the two bottom central incisors (the two bottom front teeth). Next, the top four front teeth emerge. After that, other teeth slowly begin to fill in, usually in pairs – one each side of the upper or lower jaw – until all 20 teeth (10 in the upper jaw and 10 in the lower jaw) have come in by the time the child is 2 ½ to 3 years old. The complete set of primary teeth is in the mouth from the age of 2 ½ to 3 years of age to 6 to 7 years of age.

Other primary tooth eruption facts:
•  A general rule of thumb is that for every 6 months of life, approximately 4 teeth will erupt
•  Girls generally precede boys in tooth eruption
•  Lower teeth usually erupt before upper teeth
•  Teeth in both jaws usually erupt in pairs &ndash
•  one on the right and one on the left
•  Primary teeth are smaller in size and whiter in color than the permanent teeth that will follow
•  By the time a child is 2 to 3 years of age, all primary teeth should have erupted

Shortly after age 4, the jaw and facial bones of the child begin to grow, creating spaces between the primary teeth. This is a perfectly natural growth process that provides the necessary space for the larger permanent teeth to emerge. Between the ages of 6 and 12, a mixture of both primary teeth and permanent teeth reside in the mouth.

Why Is it Important to Care for Baby Teeth?
While it's true that primary teeth are only in the mouth a short period of time, they play a vital role in the following ways:
•  They reserve space for their permanent counterparts
•  They give the face its normal appearance
•  They aid in the development of clear speech
•  They help attain good nutrition (missing or decayed teeth make it difficult to chew causing children to reject foods)
•  They help give a healthy start to the permanent teeth (decay and infection in baby teeth can cause dark spots on the permanent teeth developing beneath it)

The chart to the right shows when permanent teeth emerge.
Dental Shoreline WA chart2

Dental Shoreline WA dental health your childs teeth

Dental Shoreline WA toothGuide
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Greg Ganzkow DDS, 18528 Firlands Way North, Suite A, Shoreline, WA 98133-3985 ~ (206) 542-3535 ~ ~ 5/30/2024 ~ Key Phrases: dentist Shoreline WA ~