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Orthod Fr. 2001 Dec;72(4):355-73.

[The distal active concept applied to the mixed dentition: a comparative study].

[Article in French]

Author information

1
Département d'Orthopédie Dento-Faciale, Faculté d'Odontologie, Rue Guillaume Paradin, 69372 Lyon cédex 08.

Abstract

The "Distal Active Concept" (DAC) therapy used during the mixed dentition period shows a mandibular growth of 7.6 mm whereas the same treatment applied on the permanent dentition only shows a mandibular growth of 3.9 mm. This difference is highly significant. The DAC therapy is prescribed to a group of 30 nine years old patients with a mixed dentition for six months. The DAC therapy is prescribed to a group of 34 twelve years old patients with a permanent dentition for 24 months. As the mandibular answer to treatment seems to be more effective at the age of 9 than later, during the prepubertal period, the DAC therapy appears to be of interest and an alternative to activator treatments. Our results show the efficiency of a first stage treatment, for all the patients showing a significant class II malocclusion.

PMID:
11820028
[Indexed for MEDLINE]
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