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Journal of Oral Science & Rehabilitation Issue 01/2015

36 Volume 1 | Issue 1/2015 Journal of Oral Science & Rehabilitation E ps tein – Ba rr v irus a n d pe r i i mplanti ti s Table 1 Clinical characteristics of the sample. Table 2 Differences between the two groups of patients. N (%) Mean ± S.D. Median [min.–max.] Healthy 42 (49.4) G roup Periimplantitis 43 (50.6) Number of implants assessed per subject 3.5 ± 2.2 3.0 [1.0–13.0] Number of EBV-positive implants 0.8 ± 1.4 0.0 [0.0–6.0] Positivity % 25.1 ± 39.5 0.0 [0.0–100.0] Internal surfaces, EBV copies 2941.7 ± 4433.1 100.0 [100.0–9450.0] (highest value recorded) External surfaces, EBV copies 396643.8 ± 144106 100.0 (highest value recorded) 8.4 [100.0–6840000.0] EBV-positive internal surfaces 6 (7.1) EBV-positive external surfaces 25 (29.4) Mean ± S.D Median N (%) Mean ± S.D. Median N (%) [min.–max.] [min.–max.] Number of implants assessed per subject 4.7 ± 1.8 5.0 [2.0–9.0] 2.4 ± 2.0 2.0 [1.0–13.0] 0.001* Number of EBV-positive implants 1.0 ± 1.7 0.0 [0.0–6.0] 0.6 ± 0.9 0.0 [0.0–4.0] 0.21 Positivity % 21.9 ± 37.7 0.0 [0.0–100.0] 28.3 ± 41.4 0.0 [0.0–100.0] 0.46 EBV-negative internal surfaces 39 (92.9) 40 (93.0) EBV-positive internal surfaces 3 (7.1) 3 (7.0) EBV-negative external surfaces 30 (71.4) 30 (69.8) EBV-positive external surfaces 12 (28.6) 13 (30.2) Internal surfaces, EBV copies 3216.7 ± 53 100.0 2666.7 ±  100.0 1.00 (highest value recorded) 98.2 [100.0–9450.0] 4445.6 [100.0–7800.0] External surfaces, EBV copies 805152.8 ±  2600.0 19558.5 ±  100.0 0.69 (highest value recorded) 2044335.3 [100.0–6840000.0] 37449.4 [100.0–109200.0] Subjects with 30 (71.4) 27 (62.8) EBV-positive implants 12 (28.6) 16 (37.2) Yes No 0.54 1.00 1.00 Table 1 Table 2 Healthy Periimplantitis P-value * A p-value of ≤ 0.05 was considered statistically significant. Number of implants assessed per subject 3.5 ± 2.23.0 [1.0–13.0] Number of EBV-positive implants 0.8 ± 1.40.0 [0.0–6.0] Positivity % 25.1 ± 39.50.0 [0.0–100.0] Internal surfaces, EBV copies 2941.7 ± 4433.1100.0 [100.0–9450.0] External surfaces, EBV copies 396643.8 ± 144106100.0 Number of implants assessed per subject 4.7 ± 1.85.0 [2.0–9.0] 2.4 ± 2.02.0 [1.0–13.0] 0.001* Number of EBV-positive implants 1.0 ± 1.70.0 [0.0–6.0] 0.6 ± 0.90.0 [0.0–4.0] 0.21 Positivity % 21.9 ± 37.70.0 [0.0–100.0] 28.3 ± 41.40.0 [0.0–100.0] 0.46 Internal surfaces, EBV copies 3216.7 ± 53100.02666.7 ±  100.01.00 External surfaces, EBV copies 805152.8 ±  2600.019558.5 ±  100.00.69

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