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. 2018 May 14;19:13. doi: 10.1186/s40510-018-0213-5

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