The Effect of Different Filling Materials Used on Immature Maxillary Central Teeth with Different Apical Diameters on Fracture Resistance

Authors : Leyla AYRANCİ, Ahmet ÇETİNKAYA, Alper ÖZDOĞAN, Serkan ÖZKAN

Pages : 1-6

Doi:10.19127/mbsjohs.790552

View : 28 | Download : 11

Publication Date : 2021-04-30

Article Type : Research Paper

Abstract :Objective: This study aims to investigate the effect of different treatment options on immature maxillary central teeth simulated with two different apical diameters on fracture resistance. Methods: Forty-eight maxillary central teeth with a singular root canal were collected for this in-vitro study. The specimens were decoronated to 17±0,12 mm long for ensuring standardization. All samples were randomly divided into two groups: 1,2mm group insert ignore into journalissuearticles values(G1); prepared with No. 4 Peaso Reamer and 1.8mm group insert ignore into journalissuearticles values(G2); prepared with No. 6 Peaso Reamer. Each parent group is divided into 4 subgroups insert ignore into journalissuearticles values(n=6); to form treatment groups. The positive control group was prepared without the access cavity to simulate the immature tooth insert ignore into journalissuearticles values(P); and negative control insert ignore into journalissuearticles values(N); group was prepared and filled calcium hydroxide. In group 3 MTA was condensed with a hand plugger to obtain a 3mm thick apical plug and remaining parts of the canals were filled with Guttaflow Bioseal cold filling system insert ignore into journalissuearticles values(G);. In group 4, simulated immature roots were filled completely MTA insert ignore into journalissuearticles values(M);. All samples were kept at 37° C and % 100 humidity for four weeks. Fracture test was performed by applying a load at an angle 135 degrees to the long axis of the teeth until a fracture occured using a universal test device. Results: There was a statistically significant interaction between apical enlargement diameter and fill type on fracture resistance insert ignore into journalissuearticles values(p<0,05);. The fracture resistances of the negative control groups in both of group 1 and group 2 were significantly different from those of the other groups insert ignore into journalissuearticles values(p<0,05);. There was no statistically significant difference in fracture resistance according to filling type in 1,2mm apical diameter groups insert ignore into journalissuearticles values(p>0,05);. GuttaFlow insert ignore into journalissuearticles values(G); group in the 1,8mm apical diameter group has the highest fracture resistance while the MTA insert ignore into journalissuearticles values(M); group has the closest fracture resistance to the negative control group. Conclusion: Despite the restrictions in our study, the backfilling with GuttaFlow Bioseal in large apical diameter teeth may be beneficial in terms of fracture resistance.
Keywords : Immature teeth, fracture resistance, MTA