Protocol - Number of Natural Teeth
Questions ask for self-reports about the number of natural teeth an adult or child has in his or her mouth. In addition, one question asks a parent or caregiver to record information on the number of teeth in his or her infants mouth at 3–12 months of age.
This is not a count of unnatural teeth; therefore, do not count implants and remove all false teeth, such as partial dentures and full dentures (some dentures are attached to implants and cannot be removed and should not be counted). If a bridge is present, count only the teeth remaining on top of which the bridge sits. For example, a three-unit bridge usually has two teeth or two abutments (one on each side) that should be included in the count and one tooth (in the middle) is usually missing.
Stand in front of a mirror and count the teeth in your upper jaw first. To do this, start with the last tooth on the upper right and continue counting around to the last tooth on the upper left. Immediately drop down to your lower jaw and resume counting with the last tooth on the bottom left, counting around to the last tooth on the bottom right; record this number. Note: This measure should only be used if the Dental Caries measure is not chosen. If the Dental Caries measure is chosen, this measure is redundant.
1. How many natural teeth do you have?
2. How many natural teeth does your child have?
3. How many teeth does your baby have now? (Write in 0 if none.)
____________ NUMBER OF TEETH
The Working Group recommends that researchers also ask for the specific number of teeth when asking this question of children and adults.
Protocol Name from Source
Personnel and Training Required
|Specialized requirements for biospecimen collection||No|
|Average time of greater than 15 minutes in an unaffected individual||No|
Mode of Administration
Self-report or Parent-report Questions
Infant, Toddler, Child, Adolescent, Adult, Senior, Pregnancy
Participants ≥18 years of age. May also be asked of children via a proxy. For infants, parents who have given birth to at least one healthy, full-term or near-term infant weighing at least 5 pounds at birth, between 3 to 12 months of age may respond.
When it is not possible to do a clinical examination by a dental health professional, self-report or parental report for a child about the number of teeth will provide a proxy measure of oral health status.
|Common Data Elements (CDE)||Person Natural Tooth Number Text||2966487||CDE Browser|
|Logical Observation Identifiers Names and Codes (LOINC)||Oral num natural teeth proto||62592-1||LOINC|
|Human Phenotype Ontology||Abnormal number of teeth||HP:0006483||HPO|
Process and Review
National Institutes of Health (NIH), National Heart, Lung and Blood Institute (NHLBI) and National Cancer Institute (NCI). (1986). Health Professionals Follow-Up Study (HPFS). Question 31a (questions 1 and 2).
Centers for Disease Control and Prevention (CDC). (2005). Infant Feeding Practices Study II (IFPS-II), Postnatal Month 12. Question A-2.40 (question 3).
|Variable Name||Variable ID||Variable Description||dbGaP Mapping|
|PX080801010000||How many natural teeth do you have?||Variable Mapping|
|PX080801020000||How many natural teeth does your child have?||Variable Mapping|
|PX080801030000||How many teeth does your baby have now? more||N/A|
Number of Natural Teeth
December 30, 2009
A measure to assess the number of natural teeth in an adult or in a child.
To report a count of natural teeth through self-report or parental report for an infant.
Oral health, Number of teeth, Health Professionals Follow-Up Study (HPFS), Infant Feeding Practices Study II (IFPS-II), gerontology, aging, geriatrics