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Table 2 Excluded trials with reasons for exclusion

From: Absence of carious lesions at margins of glass-ionomer cement and amalgam restorations: An update of systematic review evidence

Article

Reason for exclusion

Hickel and Voss, 1990 [31]

Does not report on caries as trial outcome

Frencken et al., 2006 [33]

Does not report on caries as trial outcome

Smith et al., 1990 [34]

Does not report on caries as trial outcome

Smales et al., 1990 [35]

Does not report on caries as trial outcome

Yip et al., 2002 [36]

Does not report on caries as trial outcome

Phantumvanit et al., 1996 [16]

No computable data reported: Does not report on number of same type of units for caries (tooth surfaces) as total number of evaluated units (restored teeth), baseline number of units

Rahimtoola and van Amerongen, 2002 [17]

No computable data reported: Does not report on number of evaluated GIC/Amalgam restorations

Taifour et al., 2003 [18]

No computable data reported: Does not report on number of baseline, restorations, number of evaluated restorations, number of restorations with caries (GIC/Amalgam)

Qvist et al., 2004 [19]

No computable data reported: Does not report on number loss-to-follow up restorations per GIC/Amalgam

Rahimtoola and van Amerongen, 1997 [30]

Published study protocol-no results reported

Mjör and Jokstad, 1993 [32]

No computable data reported: Number of carious teeth not reported as quantitative units per GIC/Amalgam

  1. GIC = Glass-ionomer cement.