Diastema

The surfaces were etched using 35% phosphoric acid for 30 s. The etched surfaces were rinsed and dried. Nano-hybrid resin composite system was used Charisma-Diamond in combination Gluma2 Bond etch&rinse adhesive. The composite increments were carefully placed between the matrix strip and tooth by using a hand instrument. The composite resin restorations were light-cured (600 mW/cm²). Occlusion was checked with thin articulating papers. Restoration surfaces were finished and polished with fine finishing diamond burs, stones and rubber cups whereas; proximal and labial surfaces were contoured and polished with finishing strips. The treatments were completed by instructing the patients about the oral hygiene measures for cleaning their restorations with toothbrush and dental floss.

Charisma-Diamond

The surfaces were etched using 35% phosphoric acid for 30 s. The etched surfaces were rinsed and dried. Nano-hybrid resin composite system was used Filtek-Z550 in combination with Adper™ Single Bond 2 etch&rinse adhesive. The composite increments were carefully placed between the matrix strip and tooth by using a hand instrument. The composite resin restorations were light-cured (600 mW/cm²). Occlusion was checked with thin articulating papers. Restoration surfaces were finished and polished with fine finishing diamond burs, stones and rubber cups whereas; proximal and labial surfaces were contoured and polished with finishing strips. The treatments were completed by instructing the patients about the oral hygiene measures for cleaning their restorations with toothbrush and dental floss.

Filtek-Z550

At 6-months, 23 patients were evaluated. Two Filtek-Z550 restorations (5.4%) and 5 Charisma-Diamond (12.8%) restorations exhibited minor surface staining (Score 2). The surface luster of 3 Charisma-Diamond restorations were scored as 2.

Hacettepe University School of Dentistry

Clinical Comparison of Two Resin Composites on Diastema Closure and Reshaping at Four Years

A Prospective 4-year Clinical Study Evaluating Two Resin Composites on Diastema Closure and Reshaping

This outcome may be classified as "1-Clinically excellent/ very good", "2-Clinically good (after correction, very good)", "3-Clinically sufficient/ satisfactory (minor shortcomings with no adverse effects but not adjustable without damage to the tooth)", "4-Clinically unsatisfactory (repair for prophylactic reasons)", "5-Clinically poor (replacement necessary)" classification of the Esthetic, Functional and Biological properties

May be classified as "Luster comparable to enamel", "Slightly dull, not noticeable from speaking distance", "Dull surface but acceptable if covered with film of saliva", "Rough surface, cannot be masked by saliva film, simple polishing is not sufficient. Further intervention necessary", "Quite rough, unacceptable plaque retentive surface"

May be classified as "No surface staining", "Minor staining, easily removable", "Moderate surface staining, also present on other teeth, not aesthetically unacceptable", "Surface staining present on the restoration and is unacceptable; major intervention necessary for improvement", "Severe staining and/or subsurface staining (generalized or localized); not accessible for intervention"

May be classified as "Good colour match no difference in shade and translucency", "Minor deviations", "Clear deviation but acceptable. Does not affect aesthetics", "(Localised) clinically unsatisfactory but can be corrected by repair", "Unacceptable. Replacement necessary"

May be classified as "Restoration retained, no fractures/cracks", "Small hairline crack", "Two or more or larger hairline cracks and/or chipping(not affecting the marginal integrity or proximal contact", "Chipping fractures which damage marginal quality or proximal contacts; bulk fractures with or without partial loss(less than half of the restoration)", "Partial or complete loss of restoration"

May be classified as "Harmonious outline, no gaps, no discoloration", "Marginal gap (50 µm) or Small marginal fracture removable by polishing", "Gap< 150 µm not removable or Severe small enamel or dentin fractures", "Gap> 250 µm or dentine exposed or Chip fracture damaging margins or Notable enamel or dentine wall fracture", "Filling is loose but in situ"

May be classified as "No hypersensitivity, normal vitality", "Low hypersensitivity for a limited period of time, normal vitality", "Premature/slightly more intense or Delayed/weak sensitivity; no subjective complaints, no treatment needed", "Premature/very intense or Extremely delayed/weak with subjective complaints or Negative sensitivity intervention necessary but not replacement", "Very intense, acute pulpitis or no vital. Endodontic treatment is necessary and restoration has to be replaced"

May be classified as "No secondary or primary caries", "Very small and localized. No operative treatment required", "Larger areas of: Demineralisation or Erosion or Abrasion/abfraction in dentine. Localized and accessible and can be repaired", "Caries with cavitation or Erosion in dentine or Abrasion/abfraction in dentine Localized and accessible and can be repaired", "Deep secondary caries or exposed dentine that is not accessible for repair of restoration"

May be classified as "Complete integrity", "Small margin enamel(<150 µm) or Hairline crack in enamel (<150 µm not probable)", "Enamel split(<250 µm) or Crack< 250 µm, no adverse effects", "Major enamel split (gap>250 µm or dentine or base exposed) or Crack>250 µm (probe penetrates)", "Cusp or tooth fracture"

diastema/resin

Clinical Comparison of Two Resin Composites on Diastema Closure and Reshaping at Four Years

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