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Table 4 In addition to the cost calculation based on composite survival rates of 15 or 31 years (Table 3), the same cost calculations were repeated with a reduced median time until need for repair (i. e., 5 years / 60 months, or 10 years / 120 months, respectively), in order to give an idea of expected costs for shorter repair intervals for composite restorations. Other than that, identical settings of dental fee increment factors (GOZ 2.3, or 3.5) and treatment fees (in Eur) have been used

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) 60 60 60 60 120 120 120 120
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
mean total (WSL + cavitation initial Tx + Re-Tx) costs, for all subjects including non-affected patients, per patient 17.76 1702.21 26.95 2594.50 15.13 1386.09 23.03 2102.93
mean initial WSL Tx costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 14.12 464.36 21.39 707.98 14.04 464.74 21.48 706.50
mean initial cavitation Tx costs following de-bracketing, per patient for patients with at least 1 WSL and/or cavitation 8.83 4.64 13.44 7.05 8.78 4.57 13.36 7.04
mean WSL Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 0.00 1822.67 0.00 2777.64 0.00 1397.78 0.00 2121.42
mean cavitation Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 34.78 18.26 52.71 27.62 26.44 13.74 40.15 21.03
mean total WSL (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least one WSL and/or cavitation 14.12 2287.04 21.39 3485.62 14.04 1862.52 21.48 2827.91
mean total cavitation (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 WSL and/or cavitation 43.61 22.90 66.15 34.67 35.22 18.31 53.51 28.07
mean total (WSL + cavitation initial Tx + Re-Tx) costs, per patient, restricted to patients with at least 1 WSL and/or cavitation 57.72 2309.93 87.54 3520.29 49.27 1880.83 74.99 2855.98
mean initial WSL Tx costs following de-bracketing, per patient, for patients with at least 1 cavitation 5.00 388.42 7.47 596.19 4.91 389.06 7.62 597.26
mean initial cavitation Tx costs following de-bracketing, per patient, for patients with at least 1cavitation 88.13 88.99 133.86 135.06 88.07 88.97 134.03 134.99
mean WSL Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least one cavitation 0.00 1527.71 0.00 2338.34 0.00 1168.57 0.00 1792.53
mean cavitation Re-Tx (follow-up) costs following de-bracketing, per patient, for patients with at least 1 cavitation 347.15 349.98 525.19 529.44 265.21 267.83 402.81 403.32
mean total WSL (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 cavitation 5.00 1916.13 7.47 2934.53 4.91 1557.63 7.62 2389.80
mean total cavitation (Tx + Re-Tx) costs following de-bracketing, per patient, for patients with at least 1 cavitation 435.28 438.96 659.05 664.50 353.28 356.79 536.84 538.31
mean total (WSL + cavitation initial Tx + Re-Tx) costs, per patient, restricted to patients with at least 1 cavitation 440.28 2355.09 666.52 3599.03 358.19 1914.42 544.46 2928.10