Separation of teeth is an important and integral aspect of orthodontic treatment. Elastomeric separators are the most common devices used today which require special instrument to place them. The purpose of this study was to design a separator placing instrument of dental probe/explorer which can be used as an alternative to the special instrument required. The materials required were two dental probes/explorers, a light wire plier and elastomeric separators. The modified instrument made is easy to fabricate, inexpensive and can partially or completely replace the special separator placing plier.
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http://dx.doi.org/10.7860/JCDR/2015/15598.6727 | DOI Listing |
Polymers (Basel)
November 2024
Department of Chemistry, Clark Atlanta University, Atlanta, GA 30314, USA.
Polymers synthesized with end-of-life consideration allow for recovery and reprocessing. "Living-anionic polymerization (LAP)" and hydrosilylation reaction were utilized to synthesize hair-end furan functionalized hairy nanoparticles (HNPs) with a hard polystyrene (PS) core and soft polydimethylsiloxane (PDMS) hairs via a one-pot approach. The synthesis was carried out by first preparing the living core through crosslinking styrene with divinylbenzene using sec-butyl lithium, followed by the addition of the hexamethylcyclotrisiloxane (D3) monomer to the living core.
View Article and Find Full Text PDFSci Adv
October 2024
Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, CO 80303, USA.
Most biosensing techniques require complex processing steps that generate prolonged workflows and introduce potential points of error. Here, we report an acoustic pipette to purify and label biomarkers in 70 minutes. A key aspect of this technology is the use of functional negative acoustic contrast particles (fNACPs), which display biorecognition motifs for the specific capture of biomarkers from whole blood.
View Article and Find Full Text PDFDrug Des Devel Ther
October 2024
Discipline of Pharmacy, Curtin Medical School, Faculty of Health Sciences, Curtin University, Bentley, Western Australia, Australia.
Purpose: Amoxicillin/clavulanate antibiotic combination is suitable for treating a range of infections, including some suited for Outpatient Parenteral Antimicrobial Therapy (OPAT). The aim of the study was to evaluate shelf-life values of amoxicillin at clinical concentrations in the presence of clavulanate for use in OPAT.
Methods: A stability-indicating HPLC assay was developed and validated.
Lasers Med Sci
September 2024
Social Development and Health Promotion Research Center, Kermanshah Medical Sciences University, Kermanshah, Iran.
This study compared the efficacy of pharmaceutical (ibuprofen) and non-pharmaceutical (photobiomodulation and chewing gum) interventions for pain reduction after elastomeric separator placement in orthodontic patients. This 3-arm, parallel-group randomized clinical trial was conducted on 90 orthodontic patients. The level of anxiety and pain threshold of patients were measured at baseline using the Pain Catastrophizing Scale (PCS) and an algometer, respectively.
View Article and Find Full Text PDFACS Appl Mater Interfaces
October 2024
Leibniz-Institut für Polymerforschung Dresden e. V., Hohe Straße 6, Dresden D-01069, Germany.
Stretchable, flexible sensors are one of the most critical components of smart wearable electronics and Internet of Things (IoT), thereby attracting multipronged research interest in the last decades. Following miniaturization and multicomponent development of several sensors in one could further propel the demand for wireless, multimodal platforms. Greener substitutes to conventional sensors that can operate in a self-powered configuration are highly desirable in terms of all-in-one sensor utilities.
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