Fig. 4.
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Fig. 4.
Calculation of Ganss ratio (A/B). A: Space form distal surface of second mandibular molar to anterior border of ramus. B: Mesiodistal width of third mandibular molar.
J Korean Assoc Oral Maxillofac Surg 2023;49:184~191
https://doi.org/10.5125/jkaoms.2023.49.4.184
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