4. Esthetic
• Better soft tissue
contour ,emergence profile
and tissue support
• No worry about soft tissue
shrinkage
• Better tissue color when soft
tissue is thin
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5. Custom
• Better retention form and
resistance form
• Less chance of crown
dislodge
• Easier for implant supported
bridge fabrication
• White,A1,A2,A3 color
available
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23. Myth of zirconium
abutment
• Fracture
0.5mm minimal thickness can withstand daily occlusion force
0.5mm minimal thickness set up during abutment design(CAD)
• Loosening
Hex as anti rotation structure
Retentive groove increase retention
Zero degree Ti-base structure ,intimacy between ti-base &zirconium(0.03mm,30um)
which increase resistance(CAM)
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24. Reference
Experimental zirconia abutments for implant-supported single-tooth restorations in esthetically
demanding regions: 4-year results of a prospective clinical study.
The International Journal of Prosthodontics [2004, 17(3):285-290]
An overview of zirconia ceramics: Basic properties and clinical applications
J Dent. 2007 Nov;35(11):819-26. Epub 2007 Sep
Bacterial Adhesion on Commercially Pure Titanium and Zirconium Oxide Disks: An In Vivo Human Study
Journal of Periodontology
February 2004, Vol. 75, No. 2, Pages 292-296 , DOI 10.1902/jop.2004.75.2.292
The mucosal barrier at implant abutments of different materials
Clinical Oral Implants Research Volume 19, Issue 7, pages 635–641, July 2008
Survival rate, fracture strength and failure mode of ceramic implant abutments after chewing simulation
Journal of Oral Rehabilitation Volume 32, Issue 11, pages 838–843, November 2005
Zirconia implant abutment fracture: clinical case reports and precautions for use.
Int J Prosthodont. 2009 Nov-Dec;22(6):616-9.
Single-tooth implant reconstructions: esthetic factors influencing the decision between titanium and
zirconia abutments in anterior regions
Eur J Esthet Dent. 2007 Autumn;2(3):296-310.
Fracture Resistance of Yttria-Stabilized Zirconia Dental Implant Abutments
Journal of Prosthodontics Volume 18, Issue 1, pages 17–22, January 2009
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