Postoperative sensitivity in Class V composite restorations: Comparing soft start vs. constant curing modes of LED | Zendy

Fahad Umer | Zendy; FrahanRaza Khan | Zendy

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Postoperative sensitivity in Class V composite restorations: Comparing soft start vs. constant curing modes of LED

Author(s) -

Fahad Umer,

FrahanRaza Khan

Publication year - 2011

Publication title -

journal of conservative dentistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.533

H-Index - 31

eISSN - 0974-5203

pISSN - 0972-0707

DOI - 10.4103/0972-0707.80738

Subject(s) - curing (chemistry) , shrinkage , materials science , composite number , composite material , polymerization , soft tissue , dentistry , significant difference , medicine , surgery , polymer

One of the major disadvantages associated with using composites is polymerization shrinkage; stresses are generated at the margins, and if these stresses exceed the bond strength, microleakage occurs at the tooth restoration interface which causes ingress of cariogenic bacteria, post-operative sensitivity, and secondary caries. LED offers several curing modes: constant cure, ramped cure, and soft start cure. It is claimed that soft start polymerization mode produces less polymerization shrinkage and consequently less postoperative sensitivity.

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