Resolution Of Maxillary Sinus Mucositis After Non-Surgical Root Canal Treatment

A prospective clinical study was carried out to study the pattern of maxillary sinus mucositis (MSM) changes after non-surgical root canal treatment. Cone beam computed tomography scans of thirty-nine patients who received non-surgical root canal treatment (NS-RCT) at a private dental practice limited to Endodontics were reviewed for the presence or absence of maxillary sinus mucositis pre- and postoperatively. Post-operative follow-up ranged from 6 months to 36 months and subjects were divided into two groups. Group 1 had follow-up examination and imaging done 6-12 months after NS-RCT whereas Group 2 had follow-up examination and imaging done 13- 36 months after NS-RCT. The overall maxillary sinus changes were assessed by comparing the prevalence and severity of MSM before treatment and at follow-up. In addition, the effect of the preand post-operative size of the periapical lesion, presence or absence of a maxillary sinus floor perforation, shape of the maxillary sinus pathology, recall interval and tooth type (first versus second maxillary molar) on the changes to the maxillary sinus were explored.