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Table 3 Cost calculation based on the German Private Dental Fee Catalogue, for simulated initial treatment and re-treatment of lingual or labial cavitations and WSL, separately for enamel defects following labial or lingual MB treatment, complete rehabilitation of all enamel damages or cavitations only, survival rates of 15 or 31 years, and dental fee increment factors (GOZ) 2.3 or 3.5. All costs are given in Eur

From: Comparison of potential long-term costs for preventive dentistry treatment of post-orthodontic labial versus lingual enamel cavitations and esthetically relevant white-spot lesions: a simulation study with different scenarios

Orthodontic intervention: MB Lingual Labial Lingual Labial Lingual Labial Lingual Labial
Enamel defect interventions: 1, Fluoridation of WSL; 2, single surface restoration of WSL; 3, single surface restoration of cavitation 1 + 3 2 + 3 1 + 3 2 + 3 1 + 3 2 + 3 1 + 3 2 + 3
median time until composite restoration repair (mo) 180 180 180 180 372 372 372 372
maximum number of composite re-treatments per tooth 5 5 5 5 5 5 5 5
Dental fee increment factors (GOZ, 2.3 or 3.5) 2.3 2.3 3.5 3.5 2.3 2.3 3.5 3.5
Treatment costs for one post-orthodontic WSL 6.47 84.99 9.84 129.34 6.47 84.99 9.84 129.34
Treatment costs for one post-orthodontic cavitation 84.99 84.99 129.34 129.34 84.99 84.99 129.34 129.34
Re-treatment (follow-up) costs for one post-orthodontic WSL, per cycle 0 84.99 0 129.34 0 84.99 0 129.34
Re-treatment (follow-up) costs for one post-orthodontic cavitation, per cycle 84.99 84.99 129.34 129.34 84.99 84.99 129.34 129.34
Number of patients with costs (at least one WSL and/or cavitation) [costs.pop1] 307839 736211 306613 736988 307930 736155 306626 736421
Number of patients with costs for caries (at least one cavitation, patients could have WSL in addtion) [costs.pop2] 30491 38116 30550 38349 30726 37922 30556 38519
Percentage of costs.pop1 subgroup of all simulated patients (costs.pop1/nsim) 0.308 0.736 0.307 0.737 0.308 0.736 0.307 0.736
Percentage of costs.pop2 subgroup of all simulated patients (costs.pop2/nsim) 0.031 0.038 0.031 0.038 0.031 0.038 0.031 0.039
mean number of WSLs, per patient 0.669 4.023 0.671 4.029 0.671 4.026 0.669 4.03
Number of patients with at least one WSL 286817 726844 285463 727577 286775 726942 285470 726989
mean number of cavitations, per patient 0.0316 0.0399 0.0316 0.0402 0.0319 0.0397 0.0317 0.0403
Number of patients with at least one cavitation 30491 38116 30550 38349 30726 37922 30556 38519
mean initial WSL Tx costs following de-bracketing, per patient 4.33 341.91 6.60 521.05 4.34 342.14 6.58 521.23
mean initial cavitation Tx costs following de-bracketing, per patient 2.68 3.39 4.09 5.19 2.71 3.37 4.10 5.21
mean WSL re-treatment (follow-up) costs, per patient 0.00 775.21 0.00 1180.95 0.00 399.45 0.00 606.74
mean cavitation re-treatment (follow-up) costs, per patient 6.06 7.67 9.25 11.72 3.16 3.92 4.79 6.02
mean total WSL costs (initial Tx + Re-Tx (follow-up) costs) 4.33 1117.12 6.60 1702.00 4.34 741.59 6.58 1127.98
mean total cavitation costs (initial Tx + Re-Tx (follow-up) costs) 8.74 11.06 13.34 16.91 5.86 7.30 8.90 11.23
mean total (WSL + cavitation initial Tx + Re-Tx) costs, for all subjects including non-affected patients, per patient 13.07 1128.17 19.94 1718.91 10.21 748.89 15.48 1139.21
mean initial WSL Tx costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 14.06 464.41 21.52 707.00 14.10 464.76 21.46 707.79
mean initial cavitation Tx costs following de-bracketing, per patient for patients with at least 1 WSL and/or cavitation 8.72 4.60 13.35 7.05 8.80 4.58 13.38 7.07
mean WSL Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 0.00 1052.98 0.00 1602.40 0.00 542.62 0.00 823.91
mean cavitation Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 19.69 10.41 30.16 15.90 10.25 5.33 15.63 8.18
mean total WSL (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least one WSL and/or cavitation 14.06 1517.39 21.52 2309.40 14.10 1007.38 21.46 1531.70
mean total cavitation (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 28.40 15.02 43.51 22.95 19.04 9.91 29.01 15.25
mean total (WSL + cavitation initial Tx + Re-Tx) costs, per patient, restricted to patients with at least 1 WSL and/or cavitation 42.47 1532.41 65.03 2332.35 33.14 1017.30 50.47 1546.96
mean initial WSL Tx costs following de-bracketing, per patient, for patients with at least 1 cavitation 4.99 388.27 7.48 590.45 4.99 391.17 7.55 590.17
mean initial cavitation Tx costs following de-bracketing, per patient, for patients with at least 1cavitation 87.99 88.88 133.97 135.43 88.15 88.95 134.24 135.23
mean WSL Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least one cavitation 0.00 875.79 0.00 1329.83 0.00 459.85 0.00 689.06
mean cavitation Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 cavitation 198.78 201.17 302.75 305.63 102.69 103.49 156.89 156.38
mean total WSL (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 cavitation 4.99 1264.06 7.48 1920.28 4.99 851.02 7.55 1279.23
mean total cavitation (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 cavitation 286.77 290.04 436.72 441.07 190.84 192.44 291.13 291.61
mean total (WSL + cavitation initial Tx + Re-Tx) costs, per patient, restricted to patients with at least 1 cavitation 291.75 1554.11 444.20 2361.34 195.83 1043.46 298.68 1570.84