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. 2020 Jul;54(4):453–460. doi: 10.5152/j.aott.2020.18331

Table 1.

Histological scoring system

Score Histological findings
1 Fibrous tissue
2 Mostly fibrous, less cartilaginous tissue
3 Equal amount of fibrous and cartilaginous tissue
4 Cartilaginous tissue
5 Mostly cartilaginous tissue, less immature (woven) bone
6 Equal amount of cartilaginous tissue and immature bone
7 Mostly immature (woven) bone, less cartilaginous tissue
8 Immature (woven) bone
9 Mostly immature, less mature bone
10 Mature (lamellar) bone