Composite Repair Using Silane Coupling Agent

Cairo University (CU)

Status: Not yet enrolling

Conditions: Tooth Discoloration; Tooth Fracture; Hypersensitivity; Dental Restoration Failure of Marginal Integrity

Treatments: Other: Adhesive containing silane.(Intervention 1 ); Other: Acid resistance silane containing adhesive.(Intervention 2); Other: Silane coupling agent

Study type: Interventional

Funder types: Other

Identifiers

NCT06392685

Composite repair

Details and patient eligibility

About

Evaluation the influence of the use of silane coupling agent application as a separate step versus application of silane or acid resistance silane containing adhesives on the clinical performance of repaired posterior resin composite restorations according to Modified United States Public Health Service (USPHS) criteria over one year.

Full description

some manufacturers have produced silane-containing adhesives in their new products, which might eliminate the need to apply separate silane. However, this silane coupling agent can be hydrolyzed by the acidic monomer in the adhesive making it useless. Acid resistance silane containing adhesive is the update version of the silane containing adhesive which provides a long lasting effective bond between the old and new resin composite restorations

Enrollment: 75 estimated patients

Sex: All

Ages: 18 to 45 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Participants Inclusion:

Patients aging (18-45). Patients with a high level of oral hygiene. Patients with good likelihood of recall availability. - Teeth Inclusion: The restorations were first placed 12 to 24 months ago. Teeth with healthy remaining tooth structure. Posterior restorations with approximately 3mm in size occlusal marginal defect. Asymptomatic teeth before repair.

Exclusion criteria

• Participants Exclusion:

Patient with high caries risk Patient with poor periodontal health. Heavy bruxism habits. Pregnant or lactating females.

-Teeth Exclusion: The restorations with large defects The restorations in the third molars Last experience with allergic reactions against any components of the used materials.

Patients receiving orthodontic treatment

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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75 participants in 3 patient groups

Silane coupling agent(Comparator)

Active Comparator group

Description:

In the control group, Silane coupling agent (Porcelain primer) will be applied following the acid etch rinsing and drying step, for 30 seconds and then it will be thoroughly dried using air syringe then universal adhesive with regular silane will be actively applied for 20 seconds and then it will be light cured for 20 seconds and final restoration will be done.

Treatment:

Other: Silane coupling agent

.Adhesive containing silane.(Intervention 1 )

Active Comparator group

Description:

Universal adhesive with regular silane will be applied for 20 seconds, air thinned for 10 seconds and then it will be light cured for 20 seconds and final restoration will be done using same resin composite material

Treatment:

Other: Adhesive containing silane.(Intervention 1 )

Acid resistance silane containing adhesive.(Intervention 2)

Active Comparator group

Description:

Acid resistance silane containing adhesive will be applied for 20 seconds, dry with gentle air for 3 seconds, then with stronger air and light cured for 10 seconds and final restoration will be done

Treatment:

Other: Acid resistance silane containing adhesive.(Intervention 2)