In 2020, around 2.9 million people in Japan were treated for dental caries. That year, the age group of five to nine years had the highest number of treated patients for tooth decay compared to other age cohorts.
Number of patients receiving treatments for dental caries in Japan in 2020, by age group
(in 1,000s)
The survey was conducted at medical facilities on one designated date set for each institution from three days in October.
The number of patients refers to those who were continuously receiving medical treatment (including those who did not receive medical treatment at medical institutions on the dates of the survey) calculated by the following formula:
number of patients receiving medical treatment = estimated number of inpatients + estimated number of initial visit outpatients + (estimated number of return visit outpatients × average interval since last visit × adjustment factor (6/7))
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MHLW (Japan). (June 30, 2022). Number of patients receiving treatments for dental caries in Japan in 2020, by age group (in 1,000s) [Graph]. In Statista. Retrieved December 21, 2024, from https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/
MHLW (Japan). "Number of patients receiving treatments for dental caries in Japan in 2020, by age group (in 1,000s)." Chart. June 30, 2022. Statista. Accessed December 21, 2024. https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/
MHLW (Japan). (2022). Number of patients receiving treatments for dental caries in Japan in 2020, by age group (in 1,000s). Statista. Statista Inc.. Accessed: December 21, 2024. https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/
MHLW (Japan). "Number of Patients Receiving Treatments for Dental Caries in Japan in 2020, by Age Group (in 1,000s)." Statista, Statista Inc., 30 Jun 2022, https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/
MHLW (Japan), Number of patients receiving treatments for dental caries in Japan in 2020, by age group (in 1,000s) Statista, https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/ (last visited December 21, 2024)
Number of patients receiving treatments for dental caries in Japan in 2020, by age group (in 1,000s) [Graph], MHLW (Japan), June 30, 2022. [Online]. Available: https://www.statista.com/statistics/1341377/japan-number-patients-dental-caries-by-age/
