In vitro study of anti-suck-back ability by themselves on new high-speed air turbine handpieces
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- OZAWA Toshiko
- Department of Periodontics and Endodontics, Tsurumi University School of Dental Medicine
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- NAKANO Masako
- Department of Periodontics and Endodontics, Tsurumi University School of Dental Medicine
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- ARAI Takashi
- Department of Periodontics and Endodontics, Tsurumi University School of Dental Medicine
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説明
The anti-suck-back ability of five new high-speed air turbine handpiece models was evaluated in this study. First, suck-back pressure with water displacement within a glass tube was measured. Next, under three different conditions, how many on-off times it takes before fluorescent stains became visible on a piece of gauze at the exhaust vent was counted and the presence of fluorescent stains on the exhaust vents itself was examined. As a result, the water height for each part of one handpiece, the TWINPOWER TURBINE PAR-4HX-O, was below 0 mm. Except for under full emersion, this model, the TWINPOWER TURBINE PAR-4HX-O, did not have any visible fluorescence penetration to the exhaust vent even after 500 on-off switches under fume/mist conditions. Conversely, the other handpieces (Ti-Max X700L, T1 CONTROL, SYNEA TA-98CLED, GENTLE silence LUX 8000B) showed suck-back. In conclusion, the first mentioned new turbine handpiece, the TWINPOWER TURBINE PAR-4HX-O, had a possibility of no suck-back by itself. However, full immersion of the whole head of the handpiece which is not completely sealed must be avoided to prevent liquid intake.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 29 (6), 649-654, 2010
一般社団法人 日本歯科理工学会
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詳細情報 詳細情報について
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- CRID
- 1390001204715905280
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- NII論文ID
- 10026962498
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- NII書誌ID
- AA10443149
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- ISSN
- 18811361
- 02874547
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- PubMed
- 21099160
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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