Wear simulation effects on overdenture stud attachments
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概要
- 論文の詳細を見る
The aim of this study was to evaluate wear effects on overdenture resilient attachments. Six commercially available attachments were investigated: ERA orange and white (EO and EW), Locator pink, white and blue (LRP, LRW and LRB) and OP anchor (OP). Five specimens were used for wear simulation while other two specimens served as controls. Fifteen thousands insertion-removal cycles were simulated. Dimensional changes and surface characteristics were evaluated using light microscopy and SEM, respectively. Sudden decrease of retentive force was characteristic for EO and EW attachments. Retentive force of Locator attachments fluctuated throughout the wear simulation period. Dimensional changes and surface wear was more expressed on plastic cores than on plastic rings of attachment males. Based on SEM analysis, some of the specimens obtained smoother surface after wear simulation. Mechanism of retention loss of resilient overdenture attachments can be only partially explained by dimensional changes and surface alterations.
- 日本歯科理工学会の論文
- 2011-11-01
著者
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Mizutani Hiroshi
Department Of Removable Prosthodontics Graduate School Tokyo Medical And Dental University
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Mizutani Hiroshi
Department Of Neurosurgery Bokuto Municipal Hospital Of Metropolitan Tokyo
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Takahashi Hidekazu
Oral Biomaterials Engineering Course Of Oral Health Engineering School Of Oral Health Care Sciences
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Iwasaki Naohiko
Oral Biomaterials Engineering Course Of Oral Health Engineering School Of Oral Health Care Sciences
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RUTKUNAS Vygandas
Division of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University
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Rutkunas Vygandas
Division Of Prosthodontics Institute Of Odontology Faculty Of Medicine Vilnius University
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IWASAKI Naohiko
Oral Biomaterials Engineering, Department of Oral Materials Sciences and Technology Course of Oral Health Engineering, School of Oral Health Care Sciences, Faculty of Dentistry Tokyo Medical and Dental University
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TAKAHASHI Hidekazu
Oral Biomaterials Engineering, Department of Oral Materials Sciences and Technology Course of Oral Health Engineering, School of Oral Health Care Sciences, Faculty of Dentistry Tokyo Medical and Dental University
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