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Fariña et al. Plast Aesthet Res 2017;4:144-9 Plastic and
DOI: 10.20517/2347-9264.2017.49
Aesthetic Research

www.parjournal.net
Original Article Open Access

A novel skeletal anchorage for rigid

external distractor

Rodrigo Fariña , Felipe Salinas
1
2
1 Department of Oral and Maxillofacial Surgery, Hospital del Salvador, Hospital San Borja Arriarán, Universidad de Chile, Santiago 7510052, Chile.
2 Department of Oral and Maxillofacial Surgery, Hospital San José de Melipilla, Santiago 9580000, Chile.
Correspondence to: Dr. Rodrigo Fariña, Department of Oral and Maxillofacial Surgery, Hospital del Salvador, Hospital San Borja Arriarán,
Universidad de Chile, Providencia 2330, appt. 23, Santiago 7510052, Chile. E-mail: rofari@gmail.com
How to cite this article: Fariña R, Salinas F. A novel skeletal anchorage for rigid external distractor. Plast Aesthet Res 2017;4:144-9.

Dr. Rodrigo Fariña, DDS, Master in Education, Oral and Maxillofacial Surgeon. He is Assistant Profesor of Oral and
Maxillofacial Surgery, Universidad de Chile. He was Residence in Maxillofacialb Surgery, hospital 12 de Octubre,
Madrid España, in 2005 and Residence in Plastic Surgery, NYU medical Center, New York, in 2006. Also he was
Visitor Observer in Hospital das Clinicas, ENT service, Sao Paulo, Brazil, in 2007 and Fellow in Cosmetic Plastic
Surgery, IBPG, Sao Paulo, Brazil, in 2009. He is Member of International Association of Oral and Maxillo Facial
Surgeons (IAOMS) and Latin American Association of Oral and Maxillo Facial Surgeons (ALACIBU). He is also
Active Member of the Chilean Society of Oral and Maxillofacial Surgery since 2004. He was Director of the Chilean
Society of Maxillofacial Surgery, elected for the period 2006-2008, 2010-2012.

ABSTRACT
Article history: Aim: Maxillofacial surgery has always aimed to find alternative therapies to treat severe
Received: 10-07-2017 maxillary hypoplasia. Distraction osteogenesis of the midface has become the technique
Accepted: 24-08-2017 with the best functional and aesthetic results. Nevertheless, anchoring a distractor to the
Published: 05-09-2017 middle third of the face continues to involve complex planning. Plus, achieving the desired
force vector can sometimes be cumbersome and uncomfortable. The aim of this study is
Key words: to propose a novel skeletal anchorage technique for the rigid external distractor. Methods:
Rigid external device, Non-controlled, prospective study of 9 patients with severe midface hypoplasia who were
rigid external distractor, treated with distraction osteogenesis using a rigid external distractor anchored to the
maxillary hypoplasia, infraorbital rims and the bilateral pyriform apertures. The activation phase started the first
maxillary retrusion postoperative day at a rate of 1 mm per day. The consolidation period lasted 6 to 8 weeks.
Results: Eight patients achieved the desired distraction objective (24.5 mm on average), with
only 1 suffering a 5-mm relapse. None of the patients reported complications. Conclusion:
Distraction osteogenesis of the midface by skeletal anchorage is an alternative method when
treating patients with severe maxillary hypoplasia. It has significant advantages compared
to traditional anchoring because it simplifies the procedure, diminishes the costs and
complications.

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