An in - vitro comparison of apical microleakage after immediate versus delayed post space preparation using resilon as an obturation material - A fluid filtration study

Samrat, MR; Dhanyakumar, NM; Kavitha, G

doi:10.4103/0970-7212.352342

Cited by 1 publication

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“…The root canals were dried with absorbent paper points (MetaBiomed, Korea) and filled with BAG paste (bioactive materials with polyacrylic acid). The bioactive sealers were allowed to set for 12 h, further, the filled teeth were incubated in methylene blue solubilised in PBS solution, to evaluate dye penetration through apical region [28,29]. After five days of incubation the root ends were longitudinally sectioned using mandrel and diamond cutting disc (Kerr Dental, United States), Micro leakage was estimated in both the bioactive materials filled groups.…”

Section: Evaluation Of Micro-leakagementioning

confidence: 99%

Unravelling the effects of ibuprofen-acetaminophen infused copper-bioglass towards the creation of root canal sealant

Chitra¹,

Chandran²,

Ramadoss³

et al. 2022

Biomed. Mater.

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Impact towards the tuneable characteristics of bioactive glasses (BAG) has been explored; as there is no root canal sealant till date with ideal characteristics competent enough to manoeuvre the perplexing root canal architecture. Combeite, calcite and traces of cuprorivaite crystalline phases were validated for material formation, in which Cu 2P [XPS] peak authenticating the presence of copper in bioglass network (Cu-BAG). Spherical and platelet-like morphologies were observed and the grain size of Cu-BAG (~100 nm) was lesser as compared to BAG (~ 1 µm). These particle distributions impacted the porosity, and dominant non-bridging oxygens in Cu-BAG influences ionic dissolution, which subsequently enhanced the mineralization. These bioactive materials were loaded with acetaminophen and ibuprofen, corresponding organic moieties was confirmed through FT-IR. These drugs loaded bioactive materials exhibited tremendous anti-inflammatory and anti-microbial behavior with better sealing ability. Drug loaded bioglass paste filled in biomechanically prepared root canal was estimated for sealing potential, mineralization, micro leakage, and fracture resistance properties. Hydroxyl apatite growth was noted on the sealants, flower like protuberance confirmed the sealing potential of the prepared material. Bioglass exhibited promising characteristics required in a root canal sealant. This investigation is a step further towards tailoring the properties of bioactive materials as promising candidates in root canal obturation and thereof.

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Section: Evaluation Of Micro-leakagementioning

confidence: 99%