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Selective Enamel Etching in Self-etching Adhesives: a 2-year Clinical Trial

Not Applicable
Completed
Conditions
Selective Enamel Etching in Dental Restorations
Interventions
Drug: Selective enamel etching with 36% phosphoric acid
Device: Xeno V
Device: Clearfil SE Bond
Registration Number
NCT02419157
Lead Sponsor
University of Guarulhos
Brief Summary

The purpose of this study is to evaluate the clinical effectiveness of non-carious cervical lesions (NCCLs) restored with two self-etching adhesive systems applied with or without selective enamel etching.

Detailed Description

The purpose of this study is to evaluate the clinical effectiveness of non-carious cervical lesions (NCCLs) restored with two self-etching adhesive systems: Clearfil SE Bond (Kuraray Noritake, Japan) and Xeno V + (Dentsply De Trey, Germany) applied with or without 36% phosphoric acid enamel etching. Assessments were at baseline, 3, 6, 12, 18 and 24 months of clinical service.

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
25
Inclusion Criteria
  • Be at least 18 years;
  • Present at least 4 NCCLs in vital teeth with margins in enamel and dentin (and its largest area in dentin), independently of teeth location;
  • Non-smoking;
  • Read and sign the Statement of Informed Consent.
Exclusion Criteria
  • Compromised medical history;
  • Severe or chronic periodontitis;
  • Extreme caries sensitivity;
  • Heavy bruxism;
  • Under orthodontic treatment;
  • Poor oral hygiene;
  • Smokers.

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
Xeno V+ Non-etch (XV-NE)No selective enamel etching with 36% phosphoric acidXV-NE (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. No selective enamel etching with 36% phosphoric acid
Xeno V+ Non-etch (XV-NE)Xeno VXV-NE (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. No selective enamel etching with 36% phosphoric acid
Clearfil SE Bond Etch (CSE-E)Clearfil SE BondCSE-E (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Enamel margins were selectively etched with 36% phosphoric acid for 15s and subsequently thoroughly rinsed and air-dried. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. Selective enamel etching with 36% phosphoric acid
Clearfil SE Bon Non-etch (CSE-NE)Clearfil SE BondCSE-NE (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. No selective enamel etching with 36% phosphoric acid
Xeno V+ Etch (XV-E)Xeno VXV-E (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Enamel margins were selectively etched with 36% phosphoric acid for 15s and subsequently thoroughly rinsed and air-dried. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. Selective enamel etching with 36% phosphoric acid
Clearfil SE Bond Etch (CSE-E)Selective enamel etching with 36% phosphoric acidCSE-E (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Enamel margins were selectively etched with 36% phosphoric acid for 15s and subsequently thoroughly rinsed and air-dried. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. Selective enamel etching with 36% phosphoric acid
Xeno V+ Etch (XV-E)Selective enamel etching with 36% phosphoric acidXV-E (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Enamel margins were selectively etched with 36% phosphoric acid for 15s and subsequently thoroughly rinsed and air-dried. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. Selective enamel etching with 36% phosphoric acid
Clearfil SE Bon Non-etch (CSE-NE)No selective enamel etching with 36% phosphoric acidCSE-NE (n=28): After shade selection, teeth were restored under relative isolation. Lesions were cleaned with pumice and water in a rubber cup followed by rinsing and drying. An enamel bevel of 1-2 mm was prepared with a diamond bur operated in a high-speed handpiece under air-water spray. Adhesive system was applied according to manufacturers' instructions and light-cured with an LED for 10s. NCCLs were restored incrementally with a microhybrid composite resin. Increments were light cured for 20s. Afterwards, retraction cord was removed and finishing and polishing were performed with rubber points. No selective enamel etching with 36% phosphoric acid
Primary Outcome Measures
NameTimeMethod
Restoration retention rate as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
Secondary Outcome Measures
NameTimeMethod
Pulp vitality as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
Restoration marginal integrity as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
Restoration marginal staining as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
Secondary caries as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
Post-operative sensitivity as measured by modified U.S. Public Health Service evaluation criteria at baseline, 3, 6, 12, 18 and 24 monthsBaseline, 3, 6, 12, 18 and 24 months
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