Class V restorations are evaluated to reveal whether the use of modified universal adhesive will have a similar performance compared to conventional universal adhesive or not.
The innovative Scotchbond Universal Plus Adhesive offers all the benefits of its predecessor, Single Bond Universal Adhesive as demonstrated by a 3M field evaluation comparing the performance of the two products. These benefits include: * Compatibility with all etching techniques - total-etch, self-etch, and selective enamel etch. * Usage with direct and indirect indications. * Bonding to all dental surfaces without the need for separate primers or silanes * Virtually no post-operative sensitivity. The newly modified adhesive with its careful formulation offers: * Radiopacity like dentin to reduce the risk of X-ray misdiagnosis and overtreatment. * Ability to bond and seal caries-affected dentin to support minimally invasive preparation guidelines and maximize preservation of natural tooth structure. * Adhesion to all dental substrates and all direct and indirect materials, including glass ceramics. * Full dual- and self-cure compatibility without the need for an additional dual-cure activator bottle. * A BPA derivative-free formulation to alleviate concerns about BPA in dental materials * A fully aligned system with RelyX™ Universal Resin Cement, offering excellent bond strength for virtually all dual-cure resin cement indications. As with any new material or technique, long-term clinical evaluations are needed to demonstrate the value of universal bonding agents adequately. So, the aim of this study is to evaluate the clinical performance of the modified universal adhesive, versus the conventional universal adhesive, for restoring carious class V cavities over one year and a half.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
50
Application of the modified universal adhesive is done according to manufacturer's instructions using a micro-brush. It is actively rubbed for 20 seconds, gently air-dried for 5 seconds then light cured for 20 seconds.
Application of the conventional Single Bond Universal adhesive is done using a micro-brush followed by rubbing for 20 seconds, gentle air drying for 5 seconds then light curing for 20 seconds.
Faculty of Dentistry - Cairo University
Cairo, Egypt
Change in Marginal adaptation
using Modified USPHS criteria
Time frame: Baseline, 6 months, 12 months, 18 months and 24 months.
Marginal discoloration
using Modified USPHS criteria
Time frame: Baseline, 6 months, 12 months, 18 months and 24 months.
Post-operative sensitivity
using Modified USPHS criteria
Time frame: Baseline, 6 months, 12 months, 18 months and 24 months.
Retention
using Modified USPHS criteria
Time frame: Baseline, 6 months, 12 months, 18 months and 24 months.
Secondary caries
using Modified USPHS criteria
Time frame: Baseline, 6 months, 12 months, 18 months and 24 months.
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