Transversal Palatal Expansion Using a Palatal Distractor

Gerlach, Klaus; Zahl, Christian

doi:10.1007/s00056-003-0241-7

Cited by 56 publications

(58 citation statements)

References 11 publications

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“…Direct fixation of the Hyrax expansion screw using an osteosynthesis screw and an extraoral implant with supraperiosteal abutment is a minimally invasive procedure that dispenses with the need to open up the palatal gingiva and to fix osteosynthesis plates [6,14]. The additional guidance of the two halves of the maxilla using crossed segmented archwires ensures adequate stability during expansion.…”

Section: Discussionmentioning

confidence: 99%

“…Die direkte Fixierung der Hyraxschraube mittels Osteosyntheseschraube und extraoralem Implantat mit Schulterauflage ermöglicht ein minimalinvasives Vorgehen und macht die Aufklappung der Gaumenschleimhaut und Befestigung von Osteosyntheseplatten überflüssig [6,14]. Die zusätzliche Führung der Kieferhälften mittels überkreuzter Teilbögen gewährleistet eine ausreichende Stabilität während der Erweiterung.…”

Section: Diskussionunclassified

Section: Introductionmentioning

confidence: 99%

“…Die dentale Verankerungsqualität kann auch durch eine weit nach kaudal ausladende Kieferhöhle reduziert werden [8,13]. Zur Vermeidung dieser Nachteile schlugen Mommarts [10] und Gerlach & Zahl [6,14] einen direkten Kraftangriff durch Fixierung der Hyraxschraube über Osteosyntheseplatten am Gaumen vor.…”

Section: Introductionunclassified

“…The dental anchorage quality may also be reduced if the maxillary sinus extends far downwards [8,13]. To prevent these disadvantages, Mommarts [10] and Gerlach & Zahl [6,14] suggested direct force application by fixing the Hyrax expansion screw to the hard palate with osteosynthesis plates.The aim of the present pilot study was minimally invasive direct fixation of the Hyrax expansion screw, using an implant on one side and an osteosynthesis screw on the other. The implant was to continue to be used for orthodontic anchorage purposes during the retention phase following successful expansion.…”

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confidence: 99%

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Rapid Maxillary Expansion with Palatal Anchorage of the Hyrax Expansion Screw?Pilot Study with Case Presentation

2004

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The tooth axis inclination measured on cut sections of the plaster casts made at the beginning and end of treatment was largely without transversal discrepancies. Direct fixing of the transversal screw in the palatal arch prevents buccal tipping of the posterior teeth, especially in patients with a small apical base. Compared with other direct procedures involving osteosynthesis plates, this technique offers adequate guiding stability and is minimally invasive.

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Section: Discussionmentioning

confidence: 99%

Section: Diskussionunclassified

Section: Introductionmentioning

confidence: 99%

Section: Introductionunclassified

mentioning

confidence: 99%

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Rapid Maxillary Expansion with Palatal Anchorage of the Hyrax Expansion Screw?Pilot Study with Case Presentation

2004

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Surgically Assisted Rapid Maxillary Expansion

Taylor¹,

Johnson²

2016

Orthognathic Surgery

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Bone-Anchored Rapid Palatal Expansion

Kim

2014

Temporary Skeletal Anchorage Devices

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It has been a common practice to use rapid palatal expansion (RPE) in correcting transverse maxillary defi ciency and arch-length discrepancies. It is, however, known that RPE can cause signifi cant periodontal problems such as excessive buccal crown tipping, root resorption, dehiscence, fenestration, and instability of results [ 1 -5 ]. A few studies have reported that there is more dentoalveolar tipping than true skeletal expansion with RPE [ 6 , 7 ]. Older patients have more dentoalveolar tipping after RPE becomes greater with its resultant gingival recessions.There have been many attempts to minimize these side effects while maximizing the skeletal expansion [ 8 -13 ]. One particular study, which compares a surgically assisted, bone-anchored RPE with a traditional tooth-anchored RPE, concludes that the bone-anchored expander produces more skeletal changes than dental changes [ 14 ]. However, another study has reported that both expanders show similar results [ 10 ]. It is still unclear whether bone-anchored RPE has less dentoalveolar tipping and more skeletal expansion. Therefore, there appears to be a need for a randomized clinical trial. It might seem logical that there would be advantages over tooth-borne RPE in regard to periodontal consequences, as the expanders are not directly attached to the posterior teeth. This chapter shows a few variations of bone-anchored RPE in different types of cases. No Tooth Attachment DesignFour metal rings with a diameter of 1.6 mm were laser-welded with a jackscrew on the predetermined paramedial area. Four miniscrew implants were placed through the metal rings

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Transversal Palatal Expansion Using a Palatal Distractor

Abstract: Because of the short treatment period, the absence of relapses, and the handling simplicity for the patient, this method is recommended for clinical application.

Cited by 56 publications

References 11 publications

Rapid Maxillary Expansion with Palatal Anchorage of the Hyrax Expansion Screw?Pilot Study with Case Presentation

Rapid Maxillary Expansion with Palatal Anchorage of the Hyrax Expansion Screw?Pilot Study with Case Presentation

Surgically Assisted Rapid Maxillary Expansion

Bone-Anchored Rapid Palatal Expansion

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