Tratamiento ortodóncico-quirúrgico de la deficiencia mandibular transversal por distracción osteogénica

Translated title of the contribution: Surgical-orthodontic approach by intraoral distraction osteogenesis to treat transverse mandibular deficiency

C. Guerrero, A. Rojas, F. Figueroa

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Transverse mandibular deficiency with crowding of the mandibular anterior teeth is frequently present in patients with class I and II malocclusions. The hallmarks of treatment by compensating orthodontics, functional appliances or orthopaedic devices are instability, compromised periodontium and compromised facial aesthetics. A new intraoral surgical technique has been developed to widen the mandible. The method is based upon gradual osteodistraction following vertical interdental symphyseal oateotomy. Two hundred and fifty-five patients with transverse mandibular deficiency and significant dental crowding were treated by symphyseal distraction and subsequent non-extraction decompensating orthodontic treatment. Either a tooth-borne Hyrax or a Dynaform appliance, bone-borne or hybrid dental-bone-borne distractor was used to gradually widen the mandible. The surgical procedures were accomplished under local anesthesia and intravenous sedation in an ambulatory surgical setting using an individualized distraction protocol. The appliances were activated 7 days after symphyseal osteotomies, at a rate of 1 mm per day and stabilized for 30-60-90 days after distraction. After the segments were distracted, non-extraction orthodontic alignment of the mandibular anterior teeth was accomplished. All the symphyseal distraction areas were bridged by new bony regenerate after consolidation, the new mandibular perimeter allowed the new dental alignment without relapse following a long-term follow up of from 2 to 15 years. Distraction osteogenesis provides an efficient surgical alternative to orthognathic surgery for widening the mandible and treatment of transverse mandibular deficiency without dental extractions.

Original languageSpanish
Pages (from-to)201-211
Number of pages11
JournalCirugia Plastica Ibero-Latinoamericana
Volume28
Issue number3
StatePublished - Jul 2002
Externally publishedYes

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Distraction Osteogenesis
Orthodontics
Tooth
Mandible
Malocclusion
Hyraxes
Functional Orthodontic Appliances
Orthognathic Surgery
Bone and Bones
Periodontium
Tooth Extraction
Crowding
Local Anesthesia
Osteotomy
Esthetics
Orthopedics
Therapeutics
Recurrence
Equipment and Supplies

Keywords

  • Distraction Osteogenesis
  • Transverse mandibular deficiency

ASJC Scopus subject areas

  • Surgery

Cite this

Tratamiento ortodóncico-quirúrgico de la deficiencia mandibular transversal por distracción osteogénica. / Guerrero, C.; Rojas, A.; Figueroa, F.

In: Cirugia Plastica Ibero-Latinoamericana, Vol. 28, No. 3, 07.2002, p. 201-211.

Research output: Contribution to journalArticle

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