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Fig. 1 | BMC Oral Health

Fig. 1

From: The influence of bracket type on the external apical root resorption in class I extraction patients - a retrospective study

Fig. 1

X-ray measurement of root resorption. 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. This figure first describe by Jacobs et al. Head & face medicine 2014,10:2

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BMC Oral Health

ISSN: 1472-6831

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