Table 4 ΔΔZ (%ΔZR) and ΔLD values for enamel lesions under different remineralising treatments in situ

MC Gel

830.4 ± 626.1^Aa

19.3 ± 15.0^Aa

694.2 ± 458.8^Aa

18.1 ± 17.2^Aa

713.3 ± 580.7^Aa

11.5 ± 10.5^Aa

(29.6 ± 20.5^Aa)

(27.8 ± 16.2^Aa)

(27.7 ± 16.8^Aa)

PA Gel

345.6 ± 307.0^Ba

11.3 ± 19.0^ABa

336.8 ± 237.3^ABa

12.5 ± 8.6^Aa

531.3 ± 629.0^Aa

15.9 ± 12.4^Aa

(22.8 ± 19.9^ABa)

(22.2 ± 11.7^Aa)

(29.9 ± 19.3^Aa)

TEMDP

295.8 ± 683.8^Ba

5.0 ± 18.1^Ba

622.3 ± 451.3^ABa

15.1 ± 12.9^Aa

572.1 ± 335.7^Aa

13.0 ± 12.7^Aa

(8.4 ± 19.5^Ba)

(19.9 ± 11.6^Aa)

(20.1 ± 10.6^Aa)

Buffer

181.7 ± 171.0^Ba

5.9 ± 5.7^ABa

223.8 ± 322.1^Ba

10.9 ± 10.5^Aa

447.9 ± 367.2^Aa

2.9 ± 15.4^Aa

(14.3 ± 11.6^ABa)

(14.5 ± 32.5^Aa)

(27.1 ± 12.4^Aa)