Evaluation of the effects of skeletal anchoraged Forsus FRD using miniplates inserted on mandibular symphysis: A new approach for the treatment of Class II malocclusion

To evaluate the skeletal, dentoalveolar, and soft tissue effects of the Forsus Fatigue Resistant Device (FRD) appliance with miniplate anchorage for the treatment of skeletal Class II malocclusion. The prospective clinical study group included 17 patients (11 girls and 6 boys; mean age 12.96 ± 1.23...

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Veröffentlicht in:The Angle orthodontist 2015-05, Vol.85 (3), p.413-419
Hauptverfasser: Unal, Tuba, Celikoglu, Mevlut, Candirli, Celal
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Celikoglu, Mevlut
Candirli, Celal
description To evaluate the skeletal, dentoalveolar, and soft tissue effects of the Forsus Fatigue Resistant Device (FRD) appliance with miniplate anchorage for the treatment of skeletal Class II malocclusion. The prospective clinical study group included 17 patients (11 girls and 6 boys; mean age 12.96 ± 1.23 years) with Class II malocclusion due to mandibular retrusion and treated with skeletal anchoraged Forsus FRD. After 0.019 × 0.025-inch stainless steel archwire was inserted and cinched back in the maxillary arch, two miniplates were placed bilaterally on the mandibular symphysis. Then, the Forsus FRD EZ2 appliance was adjusted to the miniplates without leveling the mandibular arch. The changes in the leveling and skeletal anchoraged Forsus FRD phases were evaluated by means of the Paired and Student's t-tests using the cephalometric lateral films. The success rate of the miniplates was found to be 91.5% (38 of 42 miniplates). The mandible significantly moved forward (P < .001) and caused a significant restraint in the sagittal position of the maxilla (P < .001). The overjet correction (-5.11 mm) was found to be mainly by skeletal changes (A-VRL, -1.16 mm and Pog-VRL, 2.62 mm; approximately 74%); the remaining changes were due to the dentoalveolar contributions. The maxillary and mandibular incisors were significantly retruded (P < .001). This new approach was an effective method for treating skeletal Class II malocclusion due to the mandibular retrusion via a combination of skeletal and dentoalveolar changes.
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The overjet correction (-5.11 mm) was found to be mainly by skeletal changes (A-VRL, -1.16 mm and Pog-VRL, 2.62 mm; approximately 74%); the remaining changes were due to the dentoalveolar contributions. The maxillary and mandibular incisors were significantly retruded (P &lt; .001). 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The overjet correction (-5.11 mm) was found to be mainly by skeletal changes (A-VRL, -1.16 mm and Pog-VRL, 2.62 mm; approximately 74%); the remaining changes were due to the dentoalveolar contributions. The maxillary and mandibular incisors were significantly retruded (P &lt; .001). This new approach was an effective method for treating skeletal Class II malocclusion due to the mandibular retrusion via a combination of skeletal and dentoalveolar changes.</abstract><cop>United States</cop><pub>Edward H. Angle Society of Orthodontists</pub><pmid>25279724</pmid><doi>10.2319/051314-345.1</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record>
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subjects Adolescent
Bone Plates
Cephalometry - methods
Child
Dental Alloys - chemistry
Female
Humans
Incisor - pathology
Male
Malocclusion, Angle Class II - therapy
Mandible - pathology
Maxilla - pathology
Miniaturization
Original
Orthodontic Anchorage Procedures - instrumentation
Orthodontic Appliance Design
Orthodontic Appliances, Functional
Orthodontic Wires
Overbite - therapy
Prospective Studies
Retrognathia - therapy
Stainless Steel - chemistry
title Evaluation of the effects of skeletal anchoraged Forsus FRD using miniplates inserted on mandibular symphysis: A new approach for the treatment of Class II malocclusion
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