Microleakage of a dental amalgam alloy bonding agent.

J. M. Saiku, Henry A St Germain Jr, J. C. Meiers

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Amalgambond (a 4-META derivative resin bond agent) was evaluated for its effectiveness in reducing microleakage compared to copal varnish and no lining agent in class 5 amalgam preparations restored with either an admix alloy (Dispersalloy) or a spherical alloy (Tytin). Teeth were thermocycled between 5 and 55 degrees C with two 4-META/amalgam groups additionally aged in 37 degrees C water for 30 days prior to thermocycling. Nonaged, 4-META/amalgam restorations showed significantly less microleakage (P < 0.05) at enamel and dentin margins compared to copal varnish or nonlined restorations. Within the 4-META groups, the 4-META/Dispersalloy restorations had significantly less microleakage than the 4-META/Tytin restorations at enamel margins. Microleakage in the aged 4-META/amalgam restorations was significantly greater at both the enamel and dentin margins than in the analogous nonaged groups. SEM evaluation of the 4-META lined restorations found internal cavity surfaces of the preparations to be sealed by the resin liner with separations and apparent microleakage occurring at the 4-META/amalgam interface.

Original languageEnglish (US)
Pages (from-to)172-178
Number of pages7
JournalOperative dentistry
Volume18
Issue number5
StatePublished - Sep 1 1993

Fingerprint

Dental Alloys
Dental Amalgam
Dental Enamel
Sulindac
Paint
Dentin
4-methacryloxyethyltrimellitic acid anhydride
Tooth

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Saiku, J. M., St Germain Jr, H. A., & Meiers, J. C. (1993). Microleakage of a dental amalgam alloy bonding agent. Operative dentistry, 18(5), 172-178.

Microleakage of a dental amalgam alloy bonding agent. / Saiku, J. M.; St Germain Jr, Henry A; Meiers, J. C.

In: Operative dentistry, Vol. 18, No. 5, 01.09.1993, p. 172-178.

Research output: Contribution to journalArticle

Saiku, JM, St Germain Jr, HA & Meiers, JC 1993, 'Microleakage of a dental amalgam alloy bonding agent.', Operative dentistry, vol. 18, no. 5, pp. 172-178.
Saiku JM, St Germain Jr HA, Meiers JC. Microleakage of a dental amalgam alloy bonding agent. Operative dentistry. 1993 Sep 1;18(5):172-178.
Saiku, J. M. ; St Germain Jr, Henry A ; Meiers, J. C. / Microleakage of a dental amalgam alloy bonding agent. In: Operative dentistry. 1993 ; Vol. 18, No. 5. pp. 172-178.
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