In maxillofacial surgery, every patient presents special problems requiring careful evaluation. Conventional methods to study the deformities are still reliable, but the advent of tridimensional (3D) imaging, especially computed tomography (CT) scan and laser scanning of casts, created the opportunity to better understanding the skeletal support and the soft tissue structures. Nowadays, virtual technologies are increasingly employed in maxillofacial surgery and demonstrated precision and reliability. However, in complex surgical procedures, these new technologies are still controversial. Especially in the less frequent cases of three-part maxillary surgery, the experience is limited, and scienti6c literature cannot give a clear support. This paper presents the case of a young patient a7ected by a complex long face dentofacial deformity treated by a bimaxillary surgery with three-part segmentation of the maxilla. THe operator performed the surgical study completely with a virtual work8ow. Pre- and postoperative CT scan and optical scanning of plaster models were collected and compared. Every postoperatory maxillary piece was superimposed with the presurgical one, and the di7erences were examined in a color-coded map. Only mild di7erences were found near the osteotomy lines, when the bony surface and the teeth demonstrated an excellent coincidence.

Virtual planning of a complex three-part bimaxillary osteotomy / Di Blasio, Chiara; Anghinoni, Marilena Laura; Di Blasio, Alberto. - In: CASE REPORTS IN DENTISTRY. - ISSN 2090-6447. - 2017:(2017), pp. 1-5. [10.1155/2017/8013874]

Virtual planning of a complex three-part bimaxillary osteotomy

Di Blasio, Chiara;Di Blasio, Alberto
2017-01-01

Abstract

In maxillofacial surgery, every patient presents special problems requiring careful evaluation. Conventional methods to study the deformities are still reliable, but the advent of tridimensional (3D) imaging, especially computed tomography (CT) scan and laser scanning of casts, created the opportunity to better understanding the skeletal support and the soft tissue structures. Nowadays, virtual technologies are increasingly employed in maxillofacial surgery and demonstrated precision and reliability. However, in complex surgical procedures, these new technologies are still controversial. Especially in the less frequent cases of three-part maxillary surgery, the experience is limited, and scienti6c literature cannot give a clear support. This paper presents the case of a young patient a7ected by a complex long face dentofacial deformity treated by a bimaxillary surgery with three-part segmentation of the maxilla. THe operator performed the surgical study completely with a virtual work8ow. Pre- and postoperative CT scan and optical scanning of plaster models were collected and compared. Every postoperatory maxillary piece was superimposed with the presurgical one, and the di7erences were examined in a color-coded map. Only mild di7erences were found near the osteotomy lines, when the bony surface and the teeth demonstrated an excellent coincidence.
2017
Virtual planning of a complex three-part bimaxillary osteotomy / Di Blasio, Chiara; Anghinoni, Marilena Laura; Di Blasio, Alberto. - In: CASE REPORTS IN DENTISTRY. - ISSN 2090-6447. - 2017:(2017), pp. 1-5. [10.1155/2017/8013874]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2837567
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