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Fig. 2 | BMC Oral Health

Fig. 2

From: A micro–computed tomographic analysis of the root canal systems in the permanent mandibular incisors in a Chinese population

Fig. 2

Measurement of the root canal curvatures in double root canal systems in the mandibular incisors (modified Schneider method). α is angle of primary curvature; β is angle of secondary curvature. A Both the buccal and lingual canal exhibit a single curvature. B The buccal canal exhibits double curvatures. C Both the buccal and lingual canal exhibit double curvatures

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