International Journal of Medical Research & Health Sciences (IJMRHS)
ISSN: 2319-5886 Indexed in: ESCI (Thomson Reuters)


Comparison of Color Stability and Marginal Fidelity of Labial Partial Veneer Composite Restorations Fabricated by Two Different Techniques: An In Vivo Pilot Study

Author(s):Suresh Rajendiran

Objective: Composite labial partial veneers are an economical alternative to porcelain counterparts and also easy to repair. However, color stability and marginal fidelity of labial partial veneer composite restorations were not evaluated adequately under in vivo conditions. Methods: Composite laminate veneer (CLV) restorations were done in 6 maxillary anteriors for 14 subjects indicated for laminate veneers but cannot afford porcelain restorations using indirect method on right side and direct method on left side. Color stability was assessed clinically using intra oral digital spectrophotometer and marginal fidelity was assessed on epoxy resin replica of the tooth- restoration interface under scanning electron microscope. The assessments for color stability and marginal fidelity were repeated after 6 months, 9 months and 12 months respectively. Results: Statistically significant color change at cervical (p=0.000) and incisal (p=0.008) regions of direct CLVs and cervical regions of indirect CLVs (p=0.009). Statistically significant change in marginal fidelity was observed in both direct and indirect CLVs (p=0.031). Conclusions: Indirect CLVs performed better with regard to color stability whereas direct CLVs performed better with regards to marginal fidelity. Clinical significance: For patients who cannot afford porcelain restorations, indirect composite resins serve as better material than direct filling composites for anterior partial coverage restorations provided adequate care is taken to ensure marginal fidelity by meticulous adherence to restorative techniques.

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