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effectivenessofpiezographytechniqueforremovablepartialdentureconstruction-130626044836-phpapp01
Transcript of effectivenessofpiezographytechniqueforremovablepartialdentureconstruction-130626044836-phpapp01
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Effectiveness of Piezography technique for removable
partial denture construction
Y. ISHIKAWA1, H. SHIMPO2, and C. OHKUBO2,
1Sakuragawa Dental Clinic, Aomori, Japan, 2Tsurumi University, Yokohama, Japan
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Materials and Methods Electroencephalograph & Image scanner
Measurement of alpha wave
Subjectsmale female total mean age years old
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Both wax model denture was finished occlusal adjustment
Conventional wax model removable partial denture
Piezographic wax model removable partial denture
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For PPDs, Piezography was applied using silicon impression material, and polished surface was formed according to
the Piezographic space.
For PPDs, Piezography was applied using ADHESIVE
For PPDs, polished surface was applied using silicon impression material
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Piezography was applied for each subject was pronounced ,Sa,Shi,Su,Se,So
Ta,Chi,Tsu,Te,To,after it was doing dry swallow at three times.
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Conventional and Piezographic wax model removable partial denture in the mouth
Conventional wax model removable partial denture in the mouth
Piezographic wax model removable partial denture in the mouth
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For PPDs, Piezography was applied using silicon impression material, and polished surface was formed according to the
Piezographic space
Wax model dentures polished surface was used to silicone impression material
Wax model dentures polished surface was Formed according to the Piezographic space
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Both CPD and PPD were fabricated
For conventional removable partial denture (CPD) into the model
For Piezographic removable partial denture (PPD) into the model
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Duplicated removable partial dentures first molar artifical polished surface cutting depth compare CPD with PPD
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Duplicated removable partial dentures first molar artifical polished surface cutting depth compare
CPD with PPD
PPD was depther 1.0 mm than CPD (the right buccal side). PPD was depther 0.9 mm than CPD (the right lingual side).
PPD was depther 1.5 mm than CPD (the left buccal side) PPD was depther 0.7 mm than CPD (the left lingual side)
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Apply Piezography to make removable partial denture
Old denture New denture
Apply Piezography
Subject 78 years old female