Table 1.
Parameters | Model situation (missing teeth) | CEREC Primescan AC (group PRI) | CEREC AC Omnicam (group OMN) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Min | Med | Max | 95% CI | Min | Med | Max | 95% CI | |||
Linear parameters | E (μm) | A (46–44) | 23.98 | 175.01B/1/b/α | 306.70 | 151.88/205.97 | 78.63 | *193.84A/1/a/α | 981.77 | 171.67/317.55 |
B (45, 44, 34, 35) | 20.00 | *158.05B/1/b/β | 1017.87 | 149.22/341.95 | 175.24 | *286.92B/2/b/α | 643.42 | 256.95/336.45 | ||
C (42–32) | 40.17 | *141.38A,B/1/a,b/α | 893.45 | 105.32/214.39 | 22.88 | 186.25A/2/a/β | 306.22 | 158.30/210.60 | ||
D (without) | 45.74 | 120.97A/1/a/α | 218.91 | 100.03/135.89 | 118.03 | *195.74A/2/a/β | 336.04 | 172.12/214.04 | ||
E (x) (μm) | A (46–44) | − 126.10 | − 58.50B/1/a/α | 35.50 | − 73.52/ − 37.33 | − 7.10 | *135.65B/2/a/β | 229.30 | 95.63/136.56 | |
B (45, 44, 34, 35) | − 143.90 | * − 40.10A,B/1/a/β | 72.30 | − 61.46/ − 17.22 | 39.10 | 122.95B/2/a/α | 177.90 | 111.89/139.97 | ||
C (42–32) | − 137.50 | − 24.00A/1/a/β | 78.60 | − 33.78/9.36 | − 51.50 | 56.75A/2/b/α | 150.70 | 37.08/75.92 | ||
D (without) | − 146.30 | − 9.40A,B/1/a/α | 69.80 | − 37.46/ − 3.32 | − 84.80 | 66.75A/2/b/β | 197.00 | 36.54/90.02 | ||
E (y) (μm) | A (46–44) | 11.40 | 112.70C/2/b/α | 230.00 | 95.76/140.72 | − 220.00 | 34.55A/1/a/β | 165.67 | − 16.99/48.43 | |
B (45, 44, 34, 35) | − 56.00 | 116.30B,C/2/b/β | 244.90 | 74.35/130.81 | − 218.20 | − 104.90B/1/b/α | 60.60 | − 122.38/ − 78.38 | ||
C (42–32) | − 63.30 | 71.25A,B/2/a,b/β | 169.20 | 40.45/85.04 | − 119.00 | − 28.65A/1/a/α | 121.80 | − 42.13/ − 0.71 | ||
D (without) | − 29.00 | 51.50A/2/a/α | 132.80 | 40.75/72.64 | − 115.90 | * − 14.55A/1/a/α | 195.40 | − 17.14/46.33 | ||
E (z) (μm) | A (46–44) | − 241.50 | − 68.55A/1/b/α | 92.70 | − 115.86/ − 50.94 | − 970.90 | *107.40A/2/a/β | 276.70 | − 71.17/132.28 | |
B (45, 44, 34, 35) | − 195.00 | *34.40B/1/a/β | 1016.80 | − 4.68/225.15 | − 631.80 | *205.90B/2/b/β | 350.10 | 77.43/236.27 | ||
C (42–32) | − 206.00 | * − 70.35A/1/b/α | 891.50 | − 104.68/35.84 | − 53.00 | 157.00A,B /2/a/β | 270.20 | 112.98/180.73 | ||
D (without) | − 44.50 | 63.50B/1/a/α | 216.90 | 48.43/94.26 | − 88.70 | 120.75A/2/a/β | 311.40 | 97.28/162.29 | ||
Angular parameters | αoverall (°) | A (46–44) | 0.04 | 0.34B/1/b/α | 0.51 | 0.29/0.38 | 0.21 | 0.37A/1/a/α | 0.69 | 0.34/0.43 |
B (45, 44, 34, 35) | 0.04 | 0.32A,B/1/a,b/β | 0.48 | 0.26/0.34 | 0.25 | 0.48B/2/b/α | 0.89 | 0.44/0.54 | ||
C (42–32) | 0.05 | *0.29A,B/1/a,b/α | 0.40 | 0.23/0.30 | 0.07 | 0.34A/2/a/β | 0.58 | 0.29/0.39 | ||
D (without) | 0.08 | 0.24A/1/a/α | 0.60 | 0.21/0.29 | 0.01 | 0.31A/2/a/β | 0.58 | 0.26/0.35 | ||
αcoronal (°) | A (46–44) | 0.01 | 0.13A,B/1/a/α | 0.35 | 0.10/0.16 | 0.05 | 0.27A/1/a/β | 0.66 | 0.22/0.32 | |
B (45, 44, 34, 35) | 0.00 | 0.07A/1/a/α | 0.34 | 0.06/0.13 | 0.11 | 0.42B/1/b/β | 0.83 | 0.36/0.48 | ||
C (42–32) | 0.02 | 0.14B/2/a/α | 0.37 | 0.13/0.20 | 0.01 | 0.29 A/1/a/β | 0.57 | 0.23/0.34 | ||
D (without) | 0.01 | *0.09A,B/1/a/α | 0.56 | 0.09/0.18 | 0.01 | 0.20A/2/a/β | 0.49 | 0.12/0.19 | ||
αhorizontal (°) | A (46–44) | 0.00 | 0.30B/1/c/α | 0.48 | 0.25/0.34 | 0.06 | 0.25B/1/a/α | 0.46 | 0.21/0.29 | |
B (45, 44, 34, 35) | 0.01 | 0.28B/2/b,c/α | 0.45 | 0.22/0.31 | 0.01 | 0.22A,B/1/a,b/α | 0.42 | 0.17/0.25 | ||
C (42–32) | 0.01 | 0.20A/1/a,b/α | 0.32 | 0.14/0.22 | 0.00 | 0.12A/1/b/α | 0.40 | 0.11/0.18 | ||
D (without) | 0.04 | 0.20A/1/a/α | 0.38 | 0.16/0.22 | 0.01 | 0.16A,B/1/a,b/α | 0.53 | 0.12/0.19 |
Not normally distributed groups are signed with *
Superscript upper-case letters indicate significant differences in trueness between different model situations, superscript numbers indicate significant differences in trueness between IOS. Superscript lower-case letters indicate significant differences in precision between different model situations, superscript Greek letters indicate significant differences in precision between IOS