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Table 1 Relevant tooth site for calculation of MLSI score

From: A randomised clinical trial to evaluate the effect of a 67 % sodium bicarbonate-containing dentifrice on 0.2 % chlorhexidine digluconate mouthwash tooth staining

Variable

Surfaces

Region

Summary (Average over)

Overall MLSI

Max-F, Man-F, Man-L (18)

GBMD (4)

18 × 4 = 72 sites

Overall Facial MLSI

Max-F, Man-F (12)

GBMD (4)

12 × 4 = 48 sites

Overall Interproximal MLSI

Max-F, Man-F, Man-L (18)

MD (2)

18 × 2 = 36 sites

Overall Gingival and Interproximal MLSI

Max-F, Man-F, Man-L (18)

GMD (3)

18 × 3 = 54 sites

  1. Max-F maxillary-facial, Man-F mandibular-facial, Man-L mandibular-lingual, G gingival, B body, M mesial and D distal