Table 1.

Selected variables from studies of molar intrusion

	Intrusion	Pg	Pg′	N-Me/LAFH	Me′	Lower lip	Overjet	Overbite
Sherwood et al. [19] a	− 1.99 g			− 2.62 g				3.62 g
Sugawara et al. [18] a	− 1.7 (0.91)			− 1.5 g			− 1.3 g	4.9 g
Erverdi et al. [20] a	− 2.6 (1.39)						− 2.0 (2.53)	3.7 (2.4)
Erverdi et al. [23] b	− 3.6 (1.4)			− 2.9 (1.3)			− 1.4 (1.5)	5.1 (2.0)
Kuroda et al. [24] a	− 2.3 (2.0)			− 3.6 (1.8)			3.6 (2.4)	6.8 (1.7)
Xun et al. [25] b	− 1.8 (0.7)	2.5 (2.6) c		− 1.6 (0.9)			−2.0 (2.2)	4.2 (0.9)
Lee and Park [26] a	− 2.2 (1.7)	2.17 (2.47)		− 2.63 (1.96)				5.47 (1.86)
Akay et al. [27] b	− 3.4 g			− 3.7 g				4.8 g
Baek et al. [28] a	− 2.39 (1.76)	2.4 (2.32)		− 2.53 (1.9)				5.56 (1.94)
Buschang et al. [29] a	N/A	2.4 (2.3)	N/A	N/A	N/A	N/A	N/A	N/A
Deguchi et al. [30] a	− 2.3 (1.3)			− 2.6 (2.5)		− 3.1 (2.7) d	− 3.0 (2.9)	6.2 (1.7)
Akan et al. [31] b	− 3.37 (1.21)			− 4.16 (1.71)		− 0.42 (1.17) e	− 1.68 (2.0)	4.79 (1.36)
Foot et al. [32] b	− 2.9 (0.8)			− 0.9 (1.1)			− 0.1 (1.2)	3.0 (1.5)
Scheffler et al. [33] b	− 2.3 (1.4)			− 1.6 (2.2)				2.2 (1.6)
Hart et al. [34] b	− 2.3 (0.06)			− 1.5 (0.03)			− 1.1 (1.4)	3.8 (0.94)
Marzouk et al. [35] b	− 3.1 (0.74)						− 1.7 (0.82)	6.55 (1.83)
Marzouk and Kassem [36] a	− 3.04 (0.79)	2.45 (0.05)	N/A	− 3.57 (1.15)	N/A	N/A	− 3.39 (2.04)	6.93 (1.99)
Marzouk and Kassem [37]a	− 3.04 (0.79)	N/A	2.43 (0.47)	N/A	− 3.12 (0.58)	− 1.15 (0.22) d − 1.23 (0.05) e 1.78 (0.74)f	N/A	N/A

^aMeasurements taken post-treatment and extractions were involved

^bMeasurements taken post-intrusion

^cMeasured at point B

^dMeasured to Sn-Pg′

^eMeasured to E-line

^fMeasured to true vertical

^gS.D. not reported