Challenged defective amalgam filling replacement case
Patient attend with defective amalgam filling with cold sensitivity, being replaced with direct composite onlay as cuspal coverage of the mesio-palatal cusp was needed , the work completed on two appointments .. following the Biomimetic concept & Applying it’s roles .
Three aspects are taken in mind were challenging with that restoration :
1-Preserving pulp Vitality
2-Managing crack
3-and Deep margin extension while preserving soft tissue without cutting
It’s modern Dentistry gives such great results when it’s done well !!
Old filling removal & initial cavity designing
Absolute isolation is necessary
Caries Dye Detector
Go with selective caries removal with clean periphery , Cavity design optimization & Sandblasting
Margin elevation , IDS & Resin coating with fiber reinforcement over the crack
Takes the maximum benefit of Decoupling with time (DWT) as it takes 1 week allow for maximum hybrid layer maturity
At the next appointment, TF removal & Sandblasting
Bioclear band with Elliot’s separator
Glycerine gel then finished & polished
Two weeks later
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