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13 results on '"Chung, Ming-Hung"'

9. Effects of thermocycling and occlusal force on the margins of provisional acrylic resin crowns

Author

Ajit Dastane, Saul Weiner, Chung-Ming Hung, and Tritala K. Vaidyanathan

Subjects
Dental Stress Analysis, Chamfer, Materials science, Hot Temperature, Surface Properties, Acrylic Resins, Dentistry, Materials testing, Bite Force, Materials Testing, Humans, Computer Simulation, Acrylic resin, Dental Leakage, Crowns, business.industry, Significant difference, Finish line, Cold Temperature, Dental Restoration, Temporary, Dental Prosthesis Design, visual_art, visual_art.visual_art_medium, Gap width, Oral Surgery, business, After treatment
Abstract

Transitional acrylic crowns were examined for changes in axial contour and increases in marginal gap width after simultaneous thermocycling and occlusal loading. Two groups of 10 crowns--one with a shoulder finish line and another with a chamfer finish line--were treated with 3400 thermocycles and 50,000 load cycles simultaneously within an artificial oral environment chamber in an MTS Dental Materials Testing System. The marginal gaps were increased for both groups after treatment. However, the group of crowns with the shoulder finish lines demonstrated a smaller gap width (x = 90 microns) after treatment than the crowns with chamfer finish lines (x = 210 microns). A statistical comparison identified a significant difference in gap width between groups (p0.01). Changes in the axial profile of the groups were similar, but one crown with a chamfer finish line exhibited a cracked margin.

Published
1993

12. IR laser-assisted micro/nano-imprinting

Author

Chen, Chun-Hung, primary, Liu, Chuan-Pu, additional, Lee, Yung-Chun, additional, Hsiao, Fei-Bin, additional, Chiu, Cheng-Yu, additional, Chung, Ming-Hung, additional, and Chiang, Ming-Hsueh, additional

Published
2006
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13. A removable telescopic splinting technique -- cases report.

Author

HSIEN-YANG CHUNG and CHUNG-MING HUNG

Subjects
PERIODONTICS, PROSTHODONTICS, DENTISTRY
Abstract

Interdisciplinary cooperation between periodontics and prosthodontics is currently a hot issue in dentistry. However, permanent splinting of the teeth with compromised periodontal support that is mostly provided by cement-fixed prostheses or by a dental implant system and the application of a removable device, i.e., telescopic designs, has not been widely reported. In this article, we present 3 periodontal-prosthetic cases in which teeth of periodontally questionable or hopeless prognoses were included in removable but tooth-supported telescopic splint units. All cases were followed-up for 3-4 years, and none showed any further periodontal breakdown. [ABSTRACT FROM AUTHOR]

Published
2006

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