[Apical granulomas and apical root cysts of inflammatory origin. A statistical study on 328 cases observed at the Ambulatory Services of Odontostomatology of the Ospedale Martini, via Tofane 71, Turin].

328 cases of chronic tooth lesions (apical granulomas and bone cysts) were examined in the Dental Surgery of the Martini Hospital in Turin and many received a later check-up. The complete series was statistically analysed in terms of lesion frequency in the different areas of the dental arch, lesion diameters and the chances of successful surgical intervention.