Three-Dimensional Changes of the Auditory Canal in a Three-Year Period during Adolescence Using CBCTs

Table 2

Change in distances between T1 and T2.

Distances	Change in distance (T2-T1)
	Mean	SD
Left ECLOS to left ECMOS	−1.80	8.87
Right ECLOS to right ECMOS	−1.81	11.81
Left ECLOI to left ECMOI	0.21	2.94
Right ECLOI to right ECMOI	0.18	3.25
Left FO to left ECLOS	−2.97	12.38
Right FO to right ECLOS	0.73	10.04
Left FO to left ECMOS	−4.37	18.30
Right FO to right ECMOS	−3.39	17.39
Left FR to left ECLOS	0.51	4.61
Right FR to right ECLOS	1.30	5.04
Left FR to left ECMOS	−2.54	12.24
Right FR to right ECMOS	−2.12	11.69
Left HC to left ECLOS	0.53	2.95
Right HC to right ECLOS	1.14	3.85
Left HC to left ECMOS	−1.66	9.82
Right HC to right ECMOS	−1.04	8.73
FM to left ECLOS	0.71	3.29
FM to right ECLOS	0.43	2.87
FM to left ECMOS	−1.48	9.05
FM to right ECMOS	−0.48	3.85
Left ECLOS to left ECLOI	−1.35	12.38
Right ECLOS to right ECLOI	−2.37	14.80
Left ECLOP to left ECLOA	0.27	0.94
Right ECLOP to right ECLOA	0.30	0.99
Left ECMOS to left ECMOI	−1.22	5.22
Right ECMOS to right ECMOI	−1.23	5.19
Left ECMOP to left ECMOA	−0.31	0.63
Right ECMOP to right ECMOA	−0.22	0.71