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Calculation of total VSCI value in a representative patient with four RFTs.
Notes: VSCI values obtained after semiquantitative analysis were 0, 3, 2, and 3, respectively, in four RFTs. The total VSCI value equals 8 corresponding to total toxin levels in this patient.
Abbreviations: RFTs, root-filled teeth; VSCI, volatile sulfur compound indicator.
