Differential assessment of skeletal, alveolar, and dental components induced by microimplant-supported midfacial skeletal expander (MSE), utilizing novel angular measurements from the fulcrum

Progress in Orthodontics

Table 1 Skeletal, alveolar bone, and dental linear measurements

Linear measurements		Before expansion		After expansion		Treatment change
Linear measurements	Unit	Mean	SD	Mean	SD	Mean	SD	P value
Skeletal linear measurements
Right zygomaticomaxillary line	mm	44.46	2.54	46.77	2.65	2.31	1.02	< 0.0001*
Left zygomaticomaxillary line	mm	44.30	2.49	46.67	2.62	2.37	1.18	< 0.0001*
Alveolar bone linear measurements
Right alveolar bone line	mm	29.07	2.32	32.01	2.53	2.93	1.16	< 0.0001*
Left alveolar bone line	mm	29.38	2.23	32.45	2.33	3.06	1.47	< 0.0001*
Dental linear measurements
Right dental line	mm	22.44	2.69	26.28	2.66	3.84	1.65	< 0.0001*
Left dental line	mm	23.12	2.42	27.30	2.32	4.17	1.86	< 0.0001*