Abstract
Objectives: The aimof this study is to observe the durability of
Class II nanohybrid resin composite restorations, placed with
two different adhesive systems, in an 8-year follow-up.
Methods: Seventy-eight participants received at random at
least two Class II restorations of the ormocer-based
nanohybrid resin composite (Ceram X) bonded with either a
one-step self-etch adhesive (Xeno III) or a control two-step
etch-and-rinse adhesive (Excite). The 165 restorations were
evaluated using slightly modified United States Public Health
Services (USPHS) criteria at baseline and then yearly during
8 years.
Results: One hundred and fifty-eight restorations were evaluated
after 8 years. Three participants with five restorations
(three Xeno III, two Excite) were registered as dropouts.
Twenty-one failed restorations (13.3 %) were observed during
the follow-up. Twelve in the one-step self-etch adhesive group
(13.5 %) and nine in the two-step etch-and-rinse group
(13.0 %). This resulted in nonsignificant different annual
failure rates of 1.69 and 1.63 %, respectively. Fracture of
restoration was the main reason for failure.
Conclusion: Good clinical performance was shown during the
8-year evaluation and no significant difference in overall
clinical performance between the two adhesives. Fracture
was the main reason for failure.
Clinical relevance: The one-step self-etch adhesive showed a
good long-term clinical effectiveness in combination with the
nanohybrid resin composite in Class II restorations.
| Originalsprog | Engelsk |
|---|---|
| Tidsskrift | Clinical Oral Investigations |
| Vol/bind | 19 |
| Udgave nummer | 6 |
| Sider (fra-til) | 1371-1379 |
| Antal sider | 9 |
| ISSN | 1432-6981 |
| Status | Udgivet - 26 jul. 2015 |
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