Authors: Full CA.
Title: Pulpotomy treatment of fistulated primary molars.
Journal: Quintessence Int
Date: Oct 1979
Citation: 10(10):73-8
Category: Pediatric Endodontics
Evidence-based Ranking: 4
Purpose/Objective: To report the results of treating non-vital primary molars with draining fistula with formocresol mixed with ZOE cement.

Materials and methods: The drug used in this study is a combination of formaldehyde and tricresol in glycerin. 20 children with non-vital pulps in either the 1st and 2nd primary molars participated in the study wherein each tooth has a radiographic radiolucency with a draining fistula and no evidence of root resorption. Pulpotomy was done by accessing the teeth and irrigation of the fistula, canals and coronal portion of molar with hydrogen peroxide. A cotton pellet saturated with formocresol preparation was sealed in the chamber. After 10 days the formocresol saturated pellet was removed and a thick paste of a mix of formocresol, eugenol and zinc oxide was placed in the chamber and a permanent type of restoration was placed. The tooth was observed at 3, 6, 12, and 18 month intervals. The following noted changes were recognized: soft tissue, discomfort with the affected tooth, stability in the supporting bone, change in radiolucency size, premature root resorption, and premature eruption of succeedaneous tooth.

Results: All draining fistula resolved. 100% (20 0f 20) of patients were asymptomatic. 80% had stable teeth in the arch, 50% show increase in radiolucency size, 40% show no change in radiolucency size, 40% show premature root resorption, 10% show premature eruption of permanent tooth, 5% show decrease in size of radiolucency and 5% (1 of 20) had complete reduction of radiolucency.

Conclusion: Utilization of formocresol-type drugs in abscessed primary teeth may be indicated to preserve the integrity of the arch for a determined length of time.

Reviewer’s comments: Pulpotomy/pulpectomy technique used in 1979. Presently, use of formocresol should be avoided; the main procedure described remains unchanged with ZOE still being used. Also, the article did not list its references and stated that “references available from the author”.