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Table 1 Force and moment sensor sign conversion

From: Forces and moments generated during extrusion of a maxillary central incisor with clear aligners: an in vitro study

Component

Definition

Sign

UL1

UR1

Fx

Faciolingual

 + 

-

L

F

L

F

Fy

Mesiodistal

 + 

-

D

M

M

D

Fz

Occlusogingival

 + 

-

O

G

O

G

Mx

Angulation

 + 

-

M

D

D

M

My

Inclination

 + 

-

L

F

L

F

Mz

Rotation

 + 

-

M

D

D

M