Mechanical analysis of conventional and small diameter conical implant abutments
The Journal of Advanced Prosthodontics
;
: 158-161, 2012.
Article
in English
| WPRIM
| ID: wpr-166996
ABSTRACT
PURPOSE:
The aim of the present study was to evaluate if a smaller morse taper abutment has a negative effect on the fracture resistance of implant-abutment connections under oblique compressive loads compared to a conventional abutment. MATERIALS ANDMETHODS:
Twenty morse taper conventional abutments (4.8 mm diameter) and smaller abutments (3.8 mm diameter) were tightened (20 Ncm) to their respective implants (3.5 x 11 mm) and after a 10 minute interval, implant/abutment assemblies were subjected to static compressive test, performed in a universal test machine with 1 mm/min displacement, at 45degrees inclination. The maximum deformation force was determined. Data were statistically analyzed by student t test.RESULTS:
Maximum deformation force of 4.8 mm and 3.8 mm abutments was approximately 95.33 kgf and 95.25 kgf, respectively, but no fractures were noted after mechanical test. Statistical analysis demonstrated that the evaluated abutments were statistically similar (P=.230).CONCLUSION:
Abutment measuring 3.8 mm in diameter (reduced) presented mechanical properties similar to 4.8 mm (conventional) abutments, enabling its clinical use as indicated.
Full text:
Available
Index:
WPRIM (Western Pacific)
Main subject:
Piperidones
/
Dental Implants
/
Collodion
/
Compressive Strength
/
Benzeneacetamides
/
Displacement, Psychological
/
Dental Implant-Abutment Design
Limits:
Humans
Language:
English
Journal:
The Journal of Advanced Prosthodontics
Year:
2012
Type:
Article
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