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KMID : 1023820120040020061
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The Journal of Advanced Prosthodontics
2012 Volume.4 No. 2 p.61 ~ p.71
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Comparison of immediate complete denture, tooth and implant-supported overdenture on vertical dimension and muscle activity
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Farhan Khalid Shah
Ashraf Gebreel
Ali hamed Elshokouki
Ahmed Ali Habib
Amit Porwal
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Abstract
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PURPOSE : To compare the changes in the occlusal vertical dimension, activity of masseter muscles and biting force after insertion of immediate denture constructed with conventional, tooth-supported and Implant-supported immediate mandibular complete denture.
MATERIALS AND METHODS : Patients were selected and treatment was carried out with all the three different concepts i.e, immediate denture constructed with conventional (Group A), tooth-supported (Group B) and Implant-supported (Group C) immediate mandibular complete dentures. Parameters of evaluation and comparison were occlusal vertical dimension measured by radiograph (at three different time intervals), Masseter muscle electromyographic (EMG) measurement by EMG analysis (at three different positions of jaws) and bite force measured by force transducer (at two different time intervals). The obtained data were statistically analyzed by using ANOVA-F test at 5% level of significance. If the F test was significant, Least Significant Difference test was performed to test further significant differences between variables.
RESULTS : Comparison between mean differences in occlusal vertical dimension for tested groups showed that it was only statistically significant at 1 year after immediate dentures insertion. Comparison between mean differences in wavelet packet coefficients of the electromyographic signals of masseter muscles for tested groups was not significant at rest position, but significant at initial contact position and maximum voluntary clench position. Comparison between mean differences in maximum biting force for tested groups was not statistically significant at 5% level of significance.
CONCLUSION : Immediate complete overdentures whether tooth or implant supported prosthesis is recommended than totally mucosal supported prosthesis.
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KEYWORD
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Immediate denture, Implant-supported denture, Electromyography, Bite force
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