Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro

Abstract Background Removal of oral biofilm from the oral mucosa is essential for preventing risk of respiratory and gastrointestinal infection in elderly people. Currently, no device is available which can remove oral biofilm from oral mucosa effectively and safely. Therefore, the effectiveness and...

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Main Authors: Hiroki Hihara, Ryo Tagaino, Jumpei Washio, Kittipong Laosuwan, Dimas Prasetianto Wicaksono, Kuniyuki Izumita, Rie Koide, Nobuhiro Takahashi, Keiichi Sasaki
Format: Article
Language:English
Published: BMC 2021-06-01
Series:BMC Oral Health
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Online Access:https://doi.org/10.1186/s12903-021-01647-4
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author Hiroki Hihara
Ryo Tagaino
Jumpei Washio
Kittipong Laosuwan
Dimas Prasetianto Wicaksono
Kuniyuki Izumita
Rie Koide
Nobuhiro Takahashi
Keiichi Sasaki
author_facet Hiroki Hihara
Ryo Tagaino
Jumpei Washio
Kittipong Laosuwan
Dimas Prasetianto Wicaksono
Kuniyuki Izumita
Rie Koide
Nobuhiro Takahashi
Keiichi Sasaki
author_sort Hiroki Hihara
collection DOAJ
description Abstract Background Removal of oral biofilm from the oral mucosa is essential for preventing risk of respiratory and gastrointestinal infection in elderly people. Currently, no device is available which can remove oral biofilm from oral mucosa effectively and safely. Therefore, the effectiveness and safety of the Micro Scale Mist UNIT (MSM-UNIT), a newly developed dental plaque removal device utilizing high speed sprays of fine water droplets, were evaluated for biofilm removal, including the rate and surface roughness for simulated tooth surface and mucous membrane. Methods Simulated tooth and oral mucosa coated with an artificial biofilm of Streptococcus mutans were used for evaluation of effectiveness, with uncoated substrates as the controls. The MSM-UNIT and a conventional air ablation device were operated under recommended instructions. The effectiveness was evaluated from the rate of removal of the biofilm, and the safety was evaluated from the damage observed by scanning electron microscope and surface roughness. Results The biofilm removal rate of the MSM-UNIT was significantly higher than that of AIRFLOW. Little damage was observed in the area treated by the MSM-UNIT. The surface roughness of the MSM-UNIT treated area on simulated tooth surface and oral mucosa showed no significant difference to the control area. In contrast, cracks and powder were observed in the area treated by AIRFLOW. In particular, the surface roughness of the AIRFLOW treated area for Toughsilon was significantly larger than that of the control. Conclusions The MSM-UNIT could be used safely and effectively for removing biofilm not only on simulated tooth surfaces but also simulated mucous membrane. The MSM-UNIT has no harmful effect on teeth or oral mucosa, and may be used for comprehensive oral care for patients during nursing care and the perioperative period.
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spelling doaj.art-affe3901c7224276ba693de646d64dbb2022-12-21T22:21:17ZengBMCBMC Oral Health1472-68312021-06-012111810.1186/s12903-021-01647-4Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitroHiroki Hihara0Ryo Tagaino1Jumpei Washio2Kittipong Laosuwan3Dimas Prasetianto Wicaksono4Kuniyuki Izumita5Rie Koide6Nobuhiro Takahashi7Keiichi Sasaki8Division of Advanced Prosthetic Dentistry, Tohoku University Graduate School of DentistryDivision of Advanced Prosthetic Dentistry, Tohoku University Graduate School of DentistryDivision of Oral Ecology and Biochemistry, Tohoku University Graduate School of DentistryDepartment of Oral Biology and Oral Diagnostic Sciences, Faculty of Dentistry, Chiang Mai UniversityFaculty of Dental Medicine, Department of Pediatric Dentistry, Universitas AirlanggaDivision of Advanced Prosthetic Dentistry, Tohoku University Graduate School of DentistryDivision of Advanced Prosthetic Dentistry, Tohoku University Graduate School of DentistryDivision of Oral Ecology and Biochemistry, Tohoku University Graduate School of DentistryDivision of Advanced Prosthetic Dentistry, Tohoku University Graduate School of DentistryAbstract Background Removal of oral biofilm from the oral mucosa is essential for preventing risk of respiratory and gastrointestinal infection in elderly people. Currently, no device is available which can remove oral biofilm from oral mucosa effectively and safely. Therefore, the effectiveness and safety of the Micro Scale Mist UNIT (MSM-UNIT), a newly developed dental plaque removal device utilizing high speed sprays of fine water droplets, were evaluated for biofilm removal, including the rate and surface roughness for simulated tooth surface and mucous membrane. Methods Simulated tooth and oral mucosa coated with an artificial biofilm of Streptococcus mutans were used for evaluation of effectiveness, with uncoated substrates as the controls. The MSM-UNIT and a conventional air ablation device were operated under recommended instructions. The effectiveness was evaluated from the rate of removal of the biofilm, and the safety was evaluated from the damage observed by scanning electron microscope and surface roughness. Results The biofilm removal rate of the MSM-UNIT was significantly higher than that of AIRFLOW. Little damage was observed in the area treated by the MSM-UNIT. The surface roughness of the MSM-UNIT treated area on simulated tooth surface and oral mucosa showed no significant difference to the control area. In contrast, cracks and powder were observed in the area treated by AIRFLOW. In particular, the surface roughness of the AIRFLOW treated area for Toughsilon was significantly larger than that of the control. Conclusions The MSM-UNIT could be used safely and effectively for removing biofilm not only on simulated tooth surfaces but also simulated mucous membrane. The MSM-UNIT has no harmful effect on teeth or oral mucosa, and may be used for comprehensive oral care for patients during nursing care and the perioperative period.https://doi.org/10.1186/s12903-021-01647-4Oral careOral biofilmMicro scale mistOral mucosaTranslational research
spellingShingle Hiroki Hihara
Ryo Tagaino
Jumpei Washio
Kittipong Laosuwan
Dimas Prasetianto Wicaksono
Kuniyuki Izumita
Rie Koide
Nobuhiro Takahashi
Keiichi Sasaki
Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
BMC Oral Health
Oral care
Oral biofilm
Micro scale mist
Oral mucosa
Translational research
title Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
title_full Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
title_fullStr Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
title_full_unstemmed Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
title_short Effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
title_sort effectiveness and safety of a new dental plaque removal device utilizing micro mist spray for removing oral biofilm in vitro
topic Oral care
Oral biofilm
Micro scale mist
Oral mucosa
Translational research
url https://doi.org/10.1186/s12903-021-01647-4
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