Stress Assessment Of Recent BioHPP Abutments And Telescopic Implant Retained Over Denture On The Supporting Structure
Yasmine Said Elsherbeeny;
Abstract
Completely edentulous mandibular cast was prototyped using 3D printing technology.
This was done via scanning an educational model and designing an STL file including all the details required; implants beds, mucosal space for mucosa simulation and vertical slots for strain gauges which were 1mm distal and labial to each implant.
Mucosa simulation was planned to mimic the viscoelasticity of the fibrous mucoperiostium by prototyping a mucosa simulator over the scanned model after removing 2 mm space over the crest of the ridge and making interlocking grooves for stabilization of the removable mucosa
Printing was ordered and mucosa simulation was done by an addition silicon rubber base utilizing the printed mucosa simulator. Two dummy implants were placed in their beds.
Primary copings with 1-2 degrees taper were made by making wax patterns on Ti-based abutments and checking their taper by a dental surveyor. Then BioHPP was pressed utilizing the conventional lost wax technique.
This study will be divided into 2 groups according to the type of telescopic over denture materials:
Group (1): BioHPP telescopic implant retained overdenture fabricated on BioHPP abutments.
Group (2): conventional acrylic resin with cobalt-chromium framework fabricated telescopic implant retained overdenture on BioHPP abutments.
Strain gauges were supplied with fully encapsulated grid and attached wires. The wire used for strain gauges were insulated by a packing material.
This was done via scanning an educational model and designing an STL file including all the details required; implants beds, mucosal space for mucosa simulation and vertical slots for strain gauges which were 1mm distal and labial to each implant.
Mucosa simulation was planned to mimic the viscoelasticity of the fibrous mucoperiostium by prototyping a mucosa simulator over the scanned model after removing 2 mm space over the crest of the ridge and making interlocking grooves for stabilization of the removable mucosa
Printing was ordered and mucosa simulation was done by an addition silicon rubber base utilizing the printed mucosa simulator. Two dummy implants were placed in their beds.
Primary copings with 1-2 degrees taper were made by making wax patterns on Ti-based abutments and checking their taper by a dental surveyor. Then BioHPP was pressed utilizing the conventional lost wax technique.
This study will be divided into 2 groups according to the type of telescopic over denture materials:
Group (1): BioHPP telescopic implant retained overdenture fabricated on BioHPP abutments.
Group (2): conventional acrylic resin with cobalt-chromium framework fabricated telescopic implant retained overdenture on BioHPP abutments.
Strain gauges were supplied with fully encapsulated grid and attached wires. The wire used for strain gauges were insulated by a packing material.
Other data
| Title | Stress Assessment Of Recent BioHPP Abutments And Telescopic Implant Retained Over Denture On The Supporting Structure | Other Titles | تحليل إجهاد لدعامات و اطقم تليسكوبية مثبتة على الزرعات المصنوعة من مادة الراتينجيات البيولوجية عالية الاداء على الانسجة الداعمة | Authors | Yasmine Said Elsherbeeny | Issue Date | 2017 |
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