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Figure 1 | Head & Face Medicine

Figure 1

From: Root resorption, treatment time and extraction rate during orthodontic treatment with self-ligating and conventional brackets

Figure 1

Intersection for incisors according to Linge and Linge. Reference points: 1 root apex, 2 distal dento-enamel junction, 3 mesial dento-enamel junction, 4 incisal edge. Dento-enamel conjunction (DEC) represents the conjunction between mesial and distal. Crown length (C) and root length (R) were measured perpendicular to DEC as the longest distance to the root apex and the incisal edge.

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