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May 6, 2026Journal of Conservative Dentistry and Endodontics

Decoding marginal adaptation and microleakage: A field emission scanning electron microscopy and stereomicroscopic evaluation of cavity liners under class II composite restorations

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Authors

NMNavjot Singh MannPunjab Government Dental College and HospitalTSTanya SharmaAll India Institute of Medical Sciences BhopalAJAshu JhambSt Vincent's Hospital

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Implication

Compares microleakage in cavity liners using field emission scanning electron microscopy and methylene blue dye.

Key Points

  • To compare the marginal adaptation and microleakage of different cavity liners under composite restorations.
  • Sixty human premolars and molars were used, with Class II cavities prepared.
  • Four groups were formed: Biodentine, RMGIC, TheraCal LC, and controls.
  • After applying liners, cavities were bonded and restored with composite material.
  • Samples were immersed in methylene blue dye and analyzed for interfacial gaps using SEM.
  • TheraCal LC showed the least microleakage, followed by Biodentine and RMGIC.
  • The control group exhibited significant microleakage.
  • SEM analysis revealed no significant difference in marginal adaptation between TheraCal LC and Biodentine.

Cite This Study

Mann et al. (2026) studied this question.

synapsesocial.com/papers/69fa979b04f884e66b5317f7https://doi.org/10.4103/jcde.jcde_180_26
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