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Article: Research on life sciences discussed by scientists at Tongji University.(Report)
- Article from:
- Biotech Week
- Article date:
- October 7, 2009
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"The purpose of this study was to compare the differences in cephalometric parameters after active orthodontic treatment applying mini-screw implants (G1) or transpalatal arches (G2) as anchorage in adult patients with bialveolar dental protrusion needing extraction of four premolars. A total of 34 Chinese patients (18-33 years) with bialveolar dental protrusion were randomly assigned to G1 and G2," researchers in Shanghai, People's Republic of China report (see also Life Sciences).
"Sliding mechanics and en-masse retraction of anterior teeth were applied to close extraction spaces. The changes in skeletal, dental and soft tissues were analyzed in both groups on ...
<0 center dot 01). Although the upper molars were found with no significant distalization (P>