Investigation of the accessory maxillary ostium: A congenital variation or acquired defect?

CONCLUSIONS: Our results suggest that AMOs are acquired defects caused by sinus diseases. The rare occurrence of these structures in patients aged < 13 years suggests that they may be a perforation or secondary drainage pathway in patients with sinusitis or primary ostium obstruction. PMID: 33591847 [PubMed - as supplied by publisher]
Source: Dentomaxillofacial Radiology - Category: Radiology Tags: Dentomaxillofac Radiol Source Type: research