By Gwen Swennen
This colour atlas and guide offers clinicians with systematic, standardized, but in addition individualized step by step suggestions on 3D digital analysis, therapy making plans, and consequence overview in sufferers present process orthognathic surgical procedure for maxillofacial deformities. Drawing on twenty years of expertise, the authors elucidate the medical capability of the process whereas additionally highlighting present pitfalls and boundaries. the outlet chapters speak about the 3D imaging workflow and its integration into day-by-day scientific regimen and comprehensively describe cone-beam CT digital analysis. The stepwise 3D digital making plans of orthognathic surgical procedure and move of the 3D digital therapy plan to the sufferer within the working room are then completely defined, and the extraordinary strength of 3D digital evaluate of remedy consequence, documented. eventually, after provision of all this crucial history info, the last bankruptcy illustrates the applying of the 3D digital method in several different types of maxillofacial deformity. Orthodontists and orthognathic and orthofacial surgeons will locate 3D digital remedy making plans of Orthognathic Surgery to be a very good consultant and source.
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Additional info for 3D Virtual Treatment Planning of Orthognathic Surgery: A Step-by-Step Approach for Orthodontists and Surgeons
Evidence with lateral head films taken in centric occlusion (CO) showed that the centre of mandibular rotation was rather in the mastoid region (Sperry and colleagues 1982). All attempts in the past to calculate the “centre of mandibular autorotation” and “the arc of mandibular autorotation” were inherently biassed because of 2D image acquisition based on lateral cephalograms. The “3D virtual visualisation paradigm” and “3D Virtual Scene Approach” have the potential to visualise and calculate the “centre of mandibular autorotation” and “the arc of mandibular autorotation” in the 3D virtual scene.
J. Swennen and M. Gaboury Additional Image Acquisition of the Texture of the Patient’s Head a b c d e f . Fig. 16 Additional image acquisition of the texture of the head. ). Note that 2D clinical photographs still have a higher image quality than 3D photographs 19 Chapter 1 · Imaging Workﬂow for 3D Virtual Treatment Planning of Orthognathic Surgery Additional Image Acquisition of the Texture of the Patient’s Head g k j l n m . Fig. J. Swennen and M. 1 Principles of Rigid Registration Single CBCT image acquisition of the patient’s head (7 Sect.
Note the signiﬁcant distortion of both the lips and the cheeks 23 Chapter 1 · Imaging Workﬂow for 3D Virtual Treatment Planning of Orthognathic Surgery 3D Virtual Augmented Model (AUM) of the Patient’s Head “without the Use of Plaster Dental Models” a b . Fig. 19 “High-resolution” CBCT scan N°3 of the “Triple CBCT Scan Protocol”. 2 mm at 120 kV according to DICOM ﬁeld, 0018,0060 KVP, and 48 mA according to DICOM ﬁeld, 0018,1151 XRayTubeCurrent). 3D “surface-rendered” (Maxilim v. ). Note that the impression is placed on a commercially available sponge instead of directly on the table of the CBCT apparatus to avoid segmentation problems Rigid Registration of the CBCT scan of the patient’s head (7 Sect.
3D Virtual Treatment Planning of Orthognathic Surgery: A Step-by-Step Approach for Orthodontists and Surgeons by Gwen Swennen