Journal of the Korean Association of Oral and Maxillofacial Surgeons

Fig. 4.

Fig. 4. Tomographic appearance of lateral antral intraosseous canals according to classification of Lee et al.¹³. A. G1-extrasinusal type. B. G2-intraosseous type. C. G3-intrasinusal type.

J Korean Assoc Oral Maxillofac Surg 2021;47:34~39
https://doi.org/10.5125/jkaoms.2021.47.1.34