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. 2021 May 8;18(9):4994. doi: 10.3390/ijerph18094994

Table 7.

Assessment of the position of the mandibular incisors in both groups.

Measurement Study Group (n = 50)
“Reciprocal Clicking”
Control Group (n = 55)
“No Symptoms of TMD”
p-Value
FMIA angle [°] 0.6581 1
av. (SD) 61.4 (7.9) 60.7 (8.5)
range 45.5–76.5 42.5–85.0
median 60.5 60.0
95%CI [59.2;63.7] [58.4;63.0]
IMPA angle [°] 0.5494 1
av. (SD) 93.3 (7.6) 94.3 (9.5)
range 76.0–106.5 75.0–121.0
median 94.0 95.0
95%CI [91.2;95.5] [91.8;96.9]
L1/OcclMd angle [°] 0.6349 2
av. (SD) 71.2 (7.8) 70.1 (8.8)
range 59.0–85.5 47.0–92.5
median 70.5 68.5
95%CI [69.0;73.4] [67.8;72.5]
L1/U1 angle [°] 0.5347 1
av. (SD) 134.9 (15.6) 133.0 (14.7)
range 95.0–168.5 88.5–169.5
median 133.3 129.5
95%CI [130.4;139.3] [129.1;137.0]

1 T-Student test; 2 U Mann‒Whitney test.