From: Age-related changes of fibroblast density in the human periodontal ligament
Age segment | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 |
---|---|---|---|---|---|---|
Age range (in years) | 0-9y | 10-19y | 20-29y | 30-39y | 40-49y | > = 50y |
Number of individuals | 1 | 4 | 8 | 11 | 6 | 3 |
Average age in segment (in years) | 7.0 | 17.0 | 23.6 | 33.7 | 45.1 | 54.7 |