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Evaluation of the effect of different post materials and adhesive systems on the bonding strength of short-post technique for primary teeth.

Abstract：

BACKGROUND:The most important process in treating grossly decayed teeth, including decay in the pulp, is the ability to hold a retainer in for a short time. AIM:The aim of this study was to investigate the bond strengths of different adhesive systems and post materials on primary teeth. DESIGN:One hundred and twenty extracted maxillar primary central incisor teeth were randomly divided into two main groups (total-etch and self-etch adhesive systems) and five subgroups (1: control-nanohybrid composite resin, 2: pre-impregnated glass fiber, 3: unsaturated glass fiber, 4: polyethylene fiber, 5: short-fiber reinforced composite resin). The push-out test was performed using a universal testing machine with a crosshead speed of 0.5 mm/min. RESULTS:No statistically significant difference was detected between the two different adhesive systems and five different materials in terms of the maximum values measured for fractures in the specimens when both the adhesive materials and the short-post materials were evaluated separately (P > 0.05). However, as a result of multiple comparisons made, it was found that statistical differences between the groups applying the total-etch adhesive system occurred in Groups 3 and 5. The highest push-out test values were measured in Group 5 and Group 1, and the lowest value in Group 3. Although the fracture type distribution in the total-etch adhesive system groups was not statistically different based on the material used (χ2 = 11,865; P = 0.309), the self-etch adhesive systems did show differences (χ2 = 28,463; P < 0.001). Both the total-etch and the self-etch adhesive system groups showed mostly adhesive failures. CONCLUSION:The fiber-reinforced and nanohybrid composite resin had higher values in the short-post technique, and there was no significant difference between the different fiber posts.

journal_name

Int J Paediatr Dent

journal_title

International journal of paediatric dentistry

authors

Beldüz Kara N,Kanyilmaz T,Çankaya S,Kara C

doi

10.1111/ipd.12347

subject

Has Abstract

pub_date

2018-03-01 00:00:00

pages

239-248

issue

eissn

0960-7439

issn

1365-263X

journal_volume

pub_type

杂志文章

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Evaluation of the effect of different post materials and adhesive systems on the bonding strength of short-post technique for primary teeth.