A. D. Walmsley
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View article: An In Vitro Investigation of the Impact of Ultrasound Induced‐Streaming Motions on the Flow Inside Lateral Features of the Root Canal
An In Vitro Investigation of the Impact of Ultrasound Induced‐Streaming Motions on the Flow Inside Lateral Features of the Root Canal Open
Aim The study aims to experimentally characterize the flow inside lateral canals during ultrasonic irrigation. The effect of the canal angle as well as the relative position of the endodontic file with the inlet of the channel was quantifi…
View article: Non-porous silica nanoparticles as a cavitation sensitive vehicle for antibiotic delivery
Non-porous silica nanoparticles as a cavitation sensitive vehicle for antibiotic delivery Open
Ultrasound stimulated drug delivery is attractive for controlled dose and localised delivery to reduce excess loss of drug and side effects, which for antibiotics is pertinent to the fight against antimicrobial resistance. Low frequency ul…
View article: Ultrasound activated silica particles for efficient eradication of dental biofilms
Ultrasound activated silica particles for efficient eradication of dental biofilms Open
Localised antimicrobial delivery using silica particles stimulated by ultrasound is effective in eradication bacterial biofilms.
View article: Low‐intensity pulsed ultrasound induces proliferation of human neural stem cells
Low‐intensity pulsed ultrasound induces proliferation of human neural stem cells Open
Background Low‐intensity pulsed ultrasound (LIPUS) has been highlighted as a potential therapy for tissue repair and regeneration. However, little is known about LIPUS effects on neuromodulation. This research was conducted to study LIPUS …
View article: Cleaning effects due to shape oscillation of bubbles over a rigid boundary
Cleaning effects due to shape oscillation of bubbles over a rigid boundary Open
Recent experiments have revealed the interesting cleaning effects that take place due to the shape mode oscillation of bubbles over a rigid boundary. While a microbubble was undertaking shape oscillation moving over a bacterial biofilm, it…
View article: Antibiotic entrapment in antibacterial micelles as a novel strategy for the delivery of challenging antibiotics from silica nanoparticles
Antibiotic entrapment in antibacterial micelles as a novel strategy for the delivery of challenging antibiotics from silica nanoparticles Open
Silica materials are popular in biomedical applications as composites and drug delivery platforms due to their low toxicity and biocompatibility. Mesoporous silica nanoparticles are attractive drug delivery systems based on their porous si…
View article: Antimicrobial Efficacy of Different Irrigant Solutions Using a Novel Biofilm Model: An In Vitro Confocal Laser Scanning Microscopy Experiment.
Antimicrobial Efficacy of Different Irrigant Solutions Using a Novel Biofilm Model: An In Vitro Confocal Laser Scanning Microscopy Experiment. Open
Within limitations of this model, 17% EDTA was found to be as effective as 2% NaOCl at eradicating E.faecalis biofilm following chemomechanical preparation. Further investigations with multi-species biofilms are encouraged.
View article: Exploring the neurogenic differentiation of human dental pulp stem cells
Exploring the neurogenic differentiation of human dental pulp stem cells Open
Human dental pulp stem cells (hDPSCs) have increasingly gained interest as a potential therapy for nerve regeneration in medicine and dentistry, however their neurogenic potential remains a matter of debate. This study aimed to characteriz…
View article: Intraperitoneal drain placement and outcomes after elective colorectal surgery: international matched, prospective, cohort study
Intraperitoneal drain placement and outcomes after elective colorectal surgery: international matched, prospective, cohort study Open
Background Many surgeons routinely place intraperitoneal drains after elective colorectal surgery. However, enhanced recovery after surgery guidelines recommend against their routine use owing to a lack of clear clinical benefit. This stud…
View article: Online videos: The hidden curriculum
Online videos: The hidden curriculum Open
Introduction Dental undergraduates will access the Internet searching for learning materials to complement their training; however, open access content is not generally recommended by dental schools. This study aimed to evaluate how dental…
View article: Biofilm viability checker: An open-source tool for automated biofilm viability analysis from confocal microscopy images
Biofilm viability checker: An open-source tool for automated biofilm viability analysis from confocal microscopy images Open
Quantifying biofilm formation on surfaces is challenging because traditional microbiological methods, such as total colony-forming units (CFUs), often rely on manual counting. These are laborious, resource intensive techniques, more suscep…
View article: A critical review of qualitative research publications in dental implants from 2006 to 2020
A critical review of qualitative research publications in dental implants from 2006 to 2020 Open
Objectives This critical review is aimed to investigate the current status of qualitative research in dental implant research and to explore the quality of available information. Material and methods A systematic search was done on the jou…
View article: Imaging and Quantification of the Area of Fast-Moving Microbubbles Using a High-Speed Camera and Image Analysis
Imaging and Quantification of the Area of Fast-Moving Microbubbles Using a High-Speed Camera and Image Analysis Open
An experimental and image analysis technique is presented for imaging cavitation bubbles and calculating their area. The high-speed imaging experimental technique and image analysis protocol presented here can also be applied for imaging m…
View article: Imaging and Quantification of the Area of Fast-Moving Microbubbles Using a High-Speed Camera and Image Analysis
Imaging and Quantification of the Area of Fast-Moving Microbubbles Using a High-Speed Camera and Image Analysis Open
An experimental and image analysis technique is presented for imaging cavitation bubbles and calculating their area. The high-speed imaging experimental technique and image analysis protocol presented here can also be applied for imaging m…
View article: The effect of standoff distance and surface roughness on biofilm disruption using cavitation
The effect of standoff distance and surface roughness on biofilm disruption using cavitation Open
Effective biofilm removal from surfaces in the mouth is a clinical challenge. Cavitation bubbles generated around a dental ultrasonic scaler are being investigated as a method to remove biofilms effectively. It is not known how parameters …
View article: Numerical investigation of bubble dynamics at a corner
Numerical investigation of bubble dynamics at a corner Open
This paper is concerned with bubble dynamics at a corner formed by two flat rigid boundaries associated with applications in ultrasonic cleaning and cavitation damage. This phenomenon is modeled using the potential flow theory and the boun…
View article: Data for: How does ultrasonic cavitation remove dental bacterial biofilm?
Data for: How does ultrasonic cavitation remove dental bacterial biofilm? Open
High Speed Imaging Data showing biofilm removal using cavitation generated by a dental ultrasonic scaler