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Pressure on the teeth from the labial soft tissues during the articulation of a given sentence was measured in 24 children, 8 to 14 years old, with normal incisor relationships. The points of measurem...
The Effects of Commonly Prescribed Premolar Extraction Sequences on the Curvature of the Upper and Lower Lips
Lateral facial profile Premolar extractions Lip curvature Lip depth
2008/12/19
The potential for premolar extractions to produce adverse facial effects after orthodontic treatment is still controversial. Detailed documentation of the predictability, or otherwise, of various ...
Electromyographic Activity of Lower Lip Muscles When Chewing with the Lips in Contact and Apart
EMG Incompetent lip Chewing Lower lip
2008/12/8
Masticatory muscle activity is coordinated with perioral muscle during chewing. Subjects with competent lips usually chew with the lips in light contact, whereas subjects with incompetent lips possi...