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Fig. 2 | BMC Oral Health

Fig. 2

From: Micro-computed tomographic evaluation of the shaping ability of three nickel-titanium rotary systems in the middle mesial canal of mandibular first molars: an ex vivo study based on 3D printed tooth replicas

Fig. 2

Measurement of the mesial and distal canal wall thickness before and after instrumentation in the axial micro-CT images (1 mm below furcation). Instrumentation with OneShape caused distal transportation of the MM canal. m1 and d1 are mesial and distal canal wall thickness pre-instrumentation, respectively; m2 and d2 are mesial and distal canal wall thickness post‑instrumentation, respectively (red: preoperative canal shape, green: postoperative canal shape)

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BMC Oral Health

ISSN: 1472-6831

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