| Literature DB >> 8382228 |
P Gaengler1, A Kurbad, W Weinert.
Abstract
A double-blind, cross-over study was carried out to assess the anti-calculus effectiveness of a pyrophosphate containing cleaning gel. 2 groups of 30 heavy calculus formers were followed up comparing conventional clinical scoring systems (Volpe-Manhold-Index and Marginal-Line-Calculus-Index) and micromorphologic SEM criteria of calculus formation and inhibition. The results indicated that after a 3-month period, there was a significant reduction of calculus formation compared to a placebo gel. The proposed SEM calculus index (SEMCI) objectively reflects the reduction of supragingival calculus formation.Entities:
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Year: 1993 PMID: 8382228 DOI: 10.1111/j.1600-051x.1993.tb00329.x
Source DB: PubMed Journal: J Clin Periodontol ISSN: 0303-6979 Impact factor: 8.728