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Original Research

Open Access

Use of Mineral Trioxide Aggregate with or without a Collagen Sponge as an Apical Plug in Teeth with Immature Apices

  • Gün Burak Tek1,*,
  • Gül Keskin1

1Pediatric Dentistry of Gaziantep University, Gaziantep, Turkey

DOI: 10.17796/1053-4625-45.3.4 Vol.45,Issue 3,July 2021 pp.165-170

Published: 01 July 2021

*Corresponding Author(s): Gün Burak Tek E-mail:


Objective: This retrospective study aimed to evaluate the clinical outcomes of the apical plug performed using MTA with or without collagen sponge in immature anterior maxillary teeth with necrotic pulp. Study design: The study included apical obturation of 20 upper incisor teeth from 18 patients and outcomes of 12-month follow-up. The teeth were divided into 2 groups with 10 cases in each group according to the apexification protocol (Group 1; apical plug with MTA, Group 2; collagen sponge and apical plug with MTA). The artificial apical barrier, approximately 4-mm-thick, was created with MTA in each group. Based on clinical and radiographic criteria, the outcome was assessed using the periapical index (PAI) by 2 calibrated investigators. Results: In this study, 3 of the 6 teeth (50%) in Group 1 and 5 of the 8 teeth (62.5%) in Group 2 healed at the 12-month follow-up. However, there was no statistically significant difference between the groups at the post-treatment follow-up times. Conclusion: The use of collagen as an apical matrix prior to the MTA plug can be suggested due to favorable clinical outcomes.


Apical plug; Mineral trioxide aggregate; Immature teeth; Collagen sponge; Internal matrix

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Gün Burak Tek,Gül Keskin. Use of Mineral Trioxide Aggregate with or without a Collagen Sponge as an Apical Plug in Teeth with Immature Apices. Journal of Clinical Pediatric Dentistry. 2021. 45(3);165-170.


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