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Am J Orthod Dentofacial Orthop. 2007 Oct;132(4):499-503.

A long-term follow-up study of Class II malocclusion correction after treatment with Class II elastics or fixed functional appliances.

Author information

1
Department of Orthodontics, Public Dental Health Service, Malmo, Sweden.

Abstract

INTRODUCTION:

The aim of this study was to compare dentofacial morphology and long-term follow-up changes in growing males with skeletal Class II malocclusions treated without extractions and with either Begg or Herbst appliances.

METHODS:

Lateral cephalograms were obtained at the start of treatment, after active treatment, and after long-term follow-up.

RESULTS:

Treatment effects differed between the groups, with usually more favorable effects in the Herbst group. However, during the follow-up period, many of the changes were reversed. During the total observation period, maxillary prognathism and lower anterior facial height increased more in the Begg group than in the Herbst group.

CONCLUSIONS:

Although there were initial marked differences in the treatment outcomes, most of these differences were not sustained over the longer term.

PMID:
17920503
DOI:
10.1016/j.ajodo.2005.10.027
[Indexed for MEDLINE]

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