Serial Extraction or Premolar Extraction in the Permanent Dentition? Comparison of Duration and Outcome of Orthodontic Treatment.

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  • Author(s): Wagner, Michael; Berg, Rolf
  • Source:
    Journal of Orofacial Orthopedics/Fortschritte der Kieferorthopadie; May2000, Vol. 61 Issue 3, p207-216, 10p
  • Additional Information
    • Abstract:
      Treatment outcome and duration of 2 different treatment approaches in 2 groups of comparable extraction cases were analyzed: Group I: serial extraction performed in the early mixed dentition followed by orthodontic treatment in the permanent dentition; group II: extractions as well as orthodontic treatment in the permanent dentition. The following conclusions were reached: 1. The treatment period with fixed appliances was highly significantly shorter in group I; however, the number of appointments was significantly higher and the total duration of treatment/observation time significantly longer. 2. In both groups the reduction in PAR score was either improved or greatly improved in all cases. [ABSTRACT FROM AUTHOR]
    • Abstract:
      Behandlungsergebnis und -dauer bei zwei unterschiedlichen Behandlungsansätzen in zwei Gruppen vergleichbarer Extraktionsfälle wurden untersucht: Gruppe I: Serienextraktion, eingeleitet im frühen Wechselgebiss, gefolgt von einer kieferorthopädischen Behandlung im bleibenden Gebiss; Gruppe II: Extraktionen und Behandlung im bleibenden Gebiss. Folgende Schlussfolgerungen konnten gezogen werden: 1. Die Behandlungsdauer mit festsitzenden Geräten war in Gruppe I hochsignifikant kürzer, jedoch waren die Zahl der Termine und die Gesamtdauer von Beobachtungs- und Behandlungszeit signifikant länger. 2. In beiden Gruppen konnte der PAR-Wert bei allen Patienten im Laufe der Behandlung so weit reduziert werden, dass sich am Behandlungsende eine Einstufung in die Kategorien “verbessert” oder “wesentlich verbessert” ergab. [ABSTRACT FROM AUTHOR]
    • Abstract:
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