2 Planmeca ProMax tomography Four tomography modesWide beam linear tomography (film)Wide beam true linear tomography (film)Digital linear tomographyDigital Transtomography™
3 Film tomography Wide beam linear tomography Cassette is perpendicular to the X-ray beamWide beam true linear tomographyCassette is kept parallel to the image layerConstant resolution over the whole exposed area
4 Linear vs true linear tomoraphy pin phantomLinear:The thickness of the layer is not regularTrue linear:The thickness of the layer is regular
5 Linear vs true linear tomoraphy The resolution is optimum only in the middle of the imageTrue linear:The resolution is constant all over the imageTomography
6 Digital tomography Digital linear tomography One sweep - the rotating point moves along the layer during imagingStraight 6mm layerFastDigital Transtomography™Multiple sweep - the beam makes oscillating and transitional movementStraight layers, adjustable thicknessBetter layer separation
7 Tomography features Straight cuttings Layer thickness selectable (1, 3, 6, 9, 18, 36 mm)Adjustable step between layersConstant 1.50x magnificationPre-programmed cutting sites (based on jaw size)Pre-programmed cutting angles (based on jaw shape)Automatic or manual operationsSpecialised imaging at the dental practiceHigh value for implantology
8 Tomography programsCross-sectional tomograms1-4 cross-sectional images (manual)4 cross sectional images (automatic)3 cross sectional images with different angles (automatic)4 cross-sectional with anatomical angles3 cross sectional images from sinus and nasal cavity (automatic)The interval between cuttings is selectable by the user (1, 3, 6, 9 or 12 mm)Angle between cuttings in multi- angle tomograms is ±6°, the image no 2 corresponds to the selected target positionAnatomical angles are according to the curvature of the jaw, the image no 2 corresponds to the selected target position
9 Tomography programsLongitudinal tomograms1-4 longitudinal images (manual)3 longitudinal images (automatic)3 longitudinal images with different angles (automatic)3 longitudinal images from the sinus and nasal cavityangle between cuttings in multi- angle tomograms istranstomogram
10 Tomography programsMixed tomograms1 cross-sectional and 1 longitudinal images (automatic)3 cross-sectional images and 1 longitudinal image (automatic)3 cross-sectional images with different angles and 1 longitudinal image (automatic)Mixed tomograms give 3D- information from the target siteNecessary for exact measurementsthe interval between cuttings is selectable by the userangle between cuttings in multi- angle tomograms istranstomogram
11 Taking tomogram Step #1 Take impression Step #2 Mark the target Step #3 Impression in machineStep #4 Make program selectionsStep #5 Set layer to markStep #6 Patient in machineStep #7 Touch ReadyStep #8 Exposure
16 Taking tomogramProMax's concept positions the patient automatically so the area to be exposured is precisely within the focal layer.The operator simply selects the proper coordinates of the object, and ProMax goes to the right position.
17 Taking tomogram Step #5 Set layer to mark with joystick Adjust angle with the angle buttons
18 Taking tomogram Step # 6 Patient in machine Patient bites the impressionWhen the target is upper jaw, adjust the maxillary alveolar ridge horizontalWhen the target is lower jaw adjust the lower part of the mandible horizontalFine adjust the target with the positioning lights
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