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Revista Española de Cirugía Oral y Maxilofacial
On-line version ISSN 2173-9161Print version ISSN 1130-0558
Abstract
LOSA MUNOZ, Pedro Manuel; BURGUENO GARCIA, Miguel and GOMEZ GARCIA, Elena. Maxillary distraction with internal devices in cleft patients: Virtual planing and transference of dates to surgical field. Rev Esp Cirug Oral y Maxilofac [online]. 2017, vol.39, n.2, pp.80-84. ISSN 2173-9161. https://dx.doi.org/10.1016/j.maxilo.2016.05.005.
Objetive:
Maxillary internal distractors have not been widely used since the accurate positioning is challenging. This is because a small deviation in the positioning results in a great deviation in the final position of the distracted maxilla. Computer assisted surgery is a powerful tool to reach accurate results. The authors report a protocol for internal distractor positioning as well as a new object for transferring dates from virtual planning to surgical field.
Material and method:
Virtual planning was performed to plan the maxillary advance in 2 cleft patients. A wafer with 2 lateral attachments was used to transfer the vector of distraction from virtual planning to surgical field.
Results:
Satisfactory result was achieved in both patients.
Conclusion:
This virtual planning protocol as well as the CAD/CAM objet to transfer dates from computer to surgical field are useful in order to achieve a suitable final position of the maxilla. These tools facilitate the positioning of internal distractors, leaving the use of external distractors for advancement greater than 12 mm.
Keywords : Internal distractor; Maxillary distraction; Cleft-lip patient; Computer assisted surgery.
