Cephalometry A Color Atlas and Manual - part 1 pps

... Approach 8 1. 3 Virtual Cephalograms 10 1. 3 .1 Conventional 2-D Cephalograms 10 1. 3.2 Generation of the Virtual Cephalogram 10 1. 3.3 Visualization of Virtual Cephalogram and 3-D Data 11 1. 3.4 Benefits ... Schutyser, Johan Van Cleynenbreugel 1. 1 CT Imaging of the Head 2 1. 1 .1 CT Scanner 2 1. 1.2 Characteristics of a CT Dataset 3 1. 1.3 Radiation Dose 5 1. 1.4 3-D Imag...

Ngày tải lên: 11/08/2014, 22:22

... Zygomatic arch; 10 Medial nasal concha; 11 Inferior nasal concha ;12 Nasal septum ;13 Palatine bone ;14 Maxillary tuberosity ;15 Upper right third molar ;16 Body of mandible ;17 Mandibular canal ;18 Lower ... (patient K.C.) CHAPTER 2 28 Basic Craniofacial Anatomical Outlines Skull – Paramedian Sagittal View Fig. 2.8. a Paramedian view of the skull with the mandible and calvaria removed...

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... 12 Alveolar process of maxilla; 13 Upper lateral incisor; 14 Palatine process of maxilla; 15 Posterior palatine artery canal; 16 Atlanto-occipital articulation; 17 Anterior arch of atlas; 18 ... ex- cluded and only angular and proportional measure- ments are employed. Spiral CT-based 3-D cephalometry using standard- ized CT scanning protocols (Chap. 1) has the great ad- vantag...

Ngày tải lên: 11/08/2014, 22:22

... anteri- or cranial base (S-N) plane is automatically computed. Virtual Definition of the Anterior Cranial Base (S-N) Plane The anterior cranial base (S-N) plane is a plane that passes the Nasion and ... Swennen 4 .1 Definition of 3-D Cephalometric Hard Tissue Landmarks 11 6 4.2 Set-up of 3-D Cephalometric Hard Tissue Landmarks 17 4 4.3 Additional 3-D Cephalometric Hard Tissue Landma...

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... K.C.) CHAPTER 4 17 4 3-D Cephalometric Hard Tissue Landmarks 4.2 Set-up of 3-D Cephalometric Hard Tissue Landmarks Fig. 4 .13 5 a d. Set-up of 3-D cephalometric hard tissue landmarks.(3-D CT, patient ... to amalgam artefacts, definition of Zygion r and Zygion l land- marks is not possible on the exocranial skull base view (3-D CT,patient A. G.) CHAPTER 4 15 2 3-D Cephalometric Hard Tiss...

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... facial soft tissue units (forehead, nasal, periorbital, midface and mandible) are described in detail. Additionally, ear- and head- related landmarks are listed at the end of the chapter because ... set-up of a 3-D cephalometric reference system (Chap. 3) and the automatic genera- tion of measurements (Chap. 7). The important dis- advantages of spiral-CT based 3-D cephalometry are t...

Ngày tải lên: 11/08/2014, 22:22

... (e.g. maxillary plane, mandibular plane, facial midplane) ▬ A 3-D cephalometric plane computed from four 3-D cephalometric landmarks is defined by a plane that passes two landmarks and the mean of ... Sella, Nasion and Menton landmarks define the facial midplane (linked virtual lateral and frontal cephalograms, patient K.C.) Figs. 6.30, 6. 31. Sella, Nasion and Menton landmarks def...

Ngày tải lên: 11/08/2014, 22:22

... naso-aural distance n-obi r Right lower naso-aural distance n-obi l Left lower naso-aural distance sn-obs r Right upper subnasale-aural distance sn-obs l Left upper subnasale-aural distance sn-obi r Right ... subnasale-aural distance sn-obi l Left lower subnasale-aural distance gn-obs r Right upper gnathion-aural distance gn-obs l Left upper gnathion-aural distance gn-obi r Right lower gnathi...

Ngày tải lên: 11/08/2014, 22:22

... mandibular vertical ra- mus and gonial angle by unilateral DO was planned virtually and performed via an intra-oral approach. The 3-D virtual scene approach allowed definition of the ideal position and ... (deg) Facial midplane 10 .33 Further angular measurements (deg) Co r -Go r -Men ^ z-plane (right gonial angle) 11 2.55 Co l -Go l -Men ^ z-plane (left gonial angle) 11 4.06 Linear a...

Ngày tải lên: 11/08/2014, 22:22

... shape changes during late fetal growth (13 7 -1 57 gestational days) in the pigtailed macaque (Macaca nemestrina) craniofacial complex: an application using three-dimensional coor- dinate data and ... Surg. 2002; 16 :12 9 -1 32 Chidiac JJ, Shofer FS,Al-Kutoub A, Laster LL, Ghafari J. Comparison of CT scanograms and cephalometric radiographs in craniofacial im- aging. Orthod Craniofac...

Ngày tải lên: 11/08/2014, 22:22