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. 2019 Oct 4;8(10):1620. doi: 10.3390/jcm8101620

Figure 1.

Figure 1

Figure 1

Measurements of periodontal ligament space on cone beam computed tomography (CBCT): (a) clinical attachment level (CAL) and apical PDL space measurements; (b) 8-point cervical third measurements; (c) 4-point middle third measurements; and (d) 4-point apical third measurements.