Configuration factor

（重定向自C factor）

In dentistry, the configuration factor was introduced by Feilzer et al. in 1987 and refers to the number of bonded surfaces to the number of un-bonded surfaces in a dental restoration. For example, for a class I preparation there would be 5 bonded surfaces and only 1 un-bonded surface; the net result would be a c-factor of 5. With an increasing C factor the developing curing contraction stresses of bonded restorations (resin composites) increases too (Feilzer et al. 1987). The developing curing contraction in a bonded restoration generate stress on the bonded interface that are in competition with the developing bond strength of the setting restorative to the cavity surfaces, which may result in (partial) debonding, marginal leakage and post-operative pain (Davidson et al. 1984).

单词	C factor
释义	C factor 英语百科 Configuration factor （重定向自C factor） In dentistry, the configuration factor was introduced by Feilzer et al. in 1987 and refers to the number of bonded surfaces to the number of un-bonded surfaces in a dental restoration. For example, for a class I preparation there would be 5 bonded surfaces and only 1 un-bonded surface; the net result would be a c-factor of 5. With an increasing C factor the developing curing contraction stresses of bonded restorations (resin composites) increases too (Feilzer et al. 1987). The developing curing contraction in a bonded restoration generate stress on the bonded interface that are in competition with the developing bond strength of the setting restorative to the cavity surfaces, which may result in (partial) debonding, marginal leakage and post-operative pain (Davidson et al. 1984).
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