Study | Publishing year | Cognitive assessment tool | Dementia incidence rate, per 100,000 persons | |
---|---|---|---|---|
 |  |  | High residual teeth number group | Low residual teeth number group |
Takeuchi et al. [22] | 2017 | DSM-III-Ra | 7391 (≥ 20 teeth remaining) | 16,939 (≤ 19 teeth remaining) |
Komiyama et al. [23] | 2016 | MMSEb | 6417 (≥ 20 teeth remaining) | 11,087 (≤ 19 teeth remaining) |
Stewart et al. [24] | 2015 | DSM-III-Ra | 18,304 (≥ 21 teeth remaining) | 30,522 (≤ 20 teeth remaining) |
Luo et al. [25] | 2015 | DSM-IVc and MCId | 2063 (< 16 missing teeth) | 9783 (> 16 missing teeth) |
Batty et al. [10] | 2013 | MMSEb | 484 (≥ 22 teeth remaining) | 1320 (≤ 21 teeth remaining) |
Paganini-Hill et al. [26] | 2012 | MMSEb | 21,592 (≥ 16 teeth remaining) | 19,271 (≤ 15 teeth remaining) |
Yamamoto et al. [27] | 2012 | A standardized questionnaire developed by the Ministry of Health, Labor, and Welfare in Japan | 2848 (≥ 20 teeth remaining) | 5854 (≤ 19 teeth remaining) |
Arrivé et al. [20] | 2011 | DSM-III-Ra | 31 (< 11 missing teeth) | 41 (≥ 11 missing teeth) |
Kim et al. [11] | 2007 | DSM-IVc | 5556 (≥24 teeth remaining) | 9908 (< 24 teeth remaining) |
Stein et al. [21] | 2007 | MMSEb | 36,468 (unknown) | 68,421 (unknown) |
Shimazaki et al. [28] | 2001 | Historical diagnosis information from medical records | 13,235 (≥ 20 teeth remaining) | 32,739 (≤ 19 teeth remaining) |