Periodontal healing in teeth with periapical lesions

Abstract

The purpose of the present investigation was to compare clinical periodontal healing in periodontally involved teeth with and without pulpal pathosis. The investigation was conducted as a retrospective study on a consecutive referral population. The periapical conditions in endodontically involved single-rooted teeth from a selected patient sample were evaluated and correlated with their periodontal healing pattern. Multiple regression analysis of the registered variables showed that initial mean pocket depth and time elapsed after treatment significantly influenced change in pocket-depth. Non-surgical treatment of periodontal pockets exceeding 2.5 mm in teeth with horizontal marginal defects, over the observation period, showed significantly reduced mean pocket depth reduction in teeth with periapical pathology compared to teeth without periapical pathology. It was, furthermore, evident that proximal restorations, abutments for fixed bridges and root fillings with and without dowels did not significantly influence pocket depth reduction in the present material. It was concluded, based on the present results, that a root-canal infection, evident as a periapical radiolucency, if left untreated may in the long term perspective result in retarded or impaired periodontal healing following periodontal therapy and, consequently, should be given appropriate consideration when coordinating endodontic therapy and periodontal treatment.

Prevalence and Quality of Endodontic Treatment in the Northern Manhattan Elderly

“…We found that the severity of marginal bone loss was positively correlated with the number and size of periapical radiolucencies. This finding is consistent with those of Jansson et al (33) and Ehnevid et al (34).…”

“…As was previously shown (33,34), periodontal disease measures appeared to influence endodontic treatment outcomes. Of the 3,533 teeth examined in this study, 11% had severe marginal bone loss.…”

Periodontal Healing in Relation to Radiographic Attachment and Endodontic Infection

“…It was previously concluded that an infected root canal may serve as a reservoir of bacteria both maintaining a periapical inflammation and encouraging marginal inflammation. 6 Periapical pathology had no significant effect on periodontal healing after surgical treatment. This could be explained by the fact that surgical treatment compared to non-surgical treatment often leads to less tissue coverage of the root surfaces.…”

“…4,5 It was recently demonstrated that periodontal healing is also influenced by root canal infection. 6 Probing depth reduction following scaling and root planing was significantly reduced over time when periapical lesions were present compared to teeth without periapical lesions. The presence of a radiographie periapical radiolucency was used as an indicator of root canal infection.…”

Healing of Intrabony Defects and Its Relationship to Root Canal Therapy. A Histologic and Histometric Study in Dogs

“…[14][15][16] Recently, a series of retrospective studies from Stockholm showed clinical evidence that the condition of pulpal and periapical tissues may influence the severity of periodontal lesions1718 and periodontal wound healing. [19][20] The purpose of this study was to evaluate the importance of root canal therapy performed together or after flap surgery in the healing of severe intrabony defects.…”