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Fig. 3 | BMC Oral Health

Fig. 3

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

Fig. 3

Representative micro-CT 3D images of different types of root canal configurations in mandibular incisors. A Type 1–1 canal (the pulp room and root canal can be discriminated), B type 1–1 canal with an apical accessory canal (the pulp room and root canal walls are continuous and the boundary between them cannot be discriminated), C type 2–1 canal, D type 1–2-1 canal, E type 1–2 canal with transverse connection canal

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