Physical and mechanical properties of endodontic absorbent paper points

Edwards, R. O.; Bandyopadhyay, Sri

doi:10.1016/s0099-2399(81)80126-4

Cited by 15 publications

(10 citation statements)

References 3 publications

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“…Results of this study are also in agreement with those reported by Edwards et al [5], who found no correlation between point size and absorbency. The authors also report desirable properties that absorbent paper points should have: they should quickly absorb a series of medications, water, blood and fluids; they should be straight, conical, have a uniform length and a shape in compliance with International Standard Organization specifications.…”

Section: Discussionsupporting

confidence: 94%

“…Very few studies [1,[5][6][7][9][10][11][12][13][14] report absorption property of absorbent paper points. There is also a lack of standardization in the study protocols, which describe methods with no specific nomenclatures, thereby hindering comparisons between studies [7].…”

Section: Discussionmentioning

confidence: 99%

“…Root canal sealing has played an important role in dental therapy and biomechanical preparation by itself is not capable of disinfecting root canals [2][3][4]. [5]. Drying root canal is therefore an important step for successful hermetic sealing, given that adhesion are altered by moisture.…”

Section: Introductionmentioning

confidence: 99%

“…Paper points are also used to apply intracanal medication, remove microbial cultures from the canal and as an indicator of the quality and color of the canal exudate [7]. However, little attention has been paid to the assessment of biological, physical, and mechanical properties of this dental accessory [5,8,9].…”

Section: Introductionmentioning

confidence: 99%

“…Less time and fewer points are needed to dry root canals when paper point exhibits greater absorption capacity [8]. Few studies report on absorption capacity of paper points [1,5,6,9,10]. Pereira et al [7] analyzed two different methods for assessing absorption capacity of absorbent paper points.…”

Section: Introductionmentioning

confidence: 99%

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Effect of sterilization methods on the absorption capacity of absorbent paper points

Aguiar

Torres²,

Mendes³

et al. 2012

BDS

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A BSTR A CTdifferent brands of standardized absorbent paper points, testing the hypothesis that there is a positive correlation between the percentage of increased absorption capacity and sterilization method. Standardized endodontic absorbent paper points (size rank from #15 to #40) from three different brands of three manufacturers were used for this study (Dentsply, Endopoints, Tanari). Twenty absorbent paper points of each size were used. The initial weight (iw) of each absorbent paper point was recorded using a digital scale. After sterilization, the dry weight (dw) of each absorbent paper point was determined. Each paper point was then introduced into a 2% methylene blue solution during 20 seconds until complete saturation. The paper points were removed from the solution and the wet weight (ww) was determined, with absorption capacity calculated from a difference between ww-dw. Data was statistically analyzed using Tukey's test and the Student's t-test (p<0.05). Tanari paper points exhibited the best absorption capacity among the brands analyzed, but the difference K EYWORDS

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Section: Discussionsupporting

confidence: 94%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of sterilization methods on the absorption capacity of absorbent paper points

Aguiar

Torres²,

Mendes³

et al. 2012

BDS

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Electroextraction of Large Volume Samples Using Paper Points Coupled With Hollow Fiber Membranes: Study of Parameters and Strategies to Enhance Analytical Performance

Orlando,

Dvořák,

Kubáň

2024

Electrophoresis

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Electroextraction (EE) encompasses a range of sample preparation methods whose effectiveness, selectivity, and efficiency are significantly influenced by the physical‐chemical characteristics of analytes, samples, and instrumental conditions. This article explores, for the first time, various strategies aimed at enhancing the extraction efficiency of a recent approach of EE utilizing a paper point (PP) combined with a hollow fiber (HF) (abbreviated as PP‐HF‐EE) to extract various cationic and anionic model compounds from water samples. The study also explores, experimentally, the impact of agitation, organic filter composition, PP diameter, and PP brand on extraction performance, and proves that all these factors are quite important, especially when digital image analysis is utilized for determination. Furthermore, this work demonstrates the ease and feasibility of simultaneously extracting cations and anions using PP‐HF‐EE and proposes a straightforward method to enhance analyte concentration on the vertex of the PP through a base‐to‐vertex focusing. Lastly, it is demonstrated, using capillary electrophoresis coupled to a UV‐Vis detector, that for PP‐HF‐EE, the extraction efficiency and pre‐concentration factor are less dependent on other parameters when multiple PPs per sample are utilized, with signal enhancement values of up to 111 and 339 for nortriptyline and haloperidol, respectively. All the findings and strategies presented herein constitute significant contributions that can facilitate future research in method development, particularly in the utilization of PP‐HF‐EE and similar EE approaches.

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Report of the Committee on scientific investigation of the American Academy of Restorative Dentistry

Phillips¹,

Charbeneau²,

Hamilton³

et al. 1982

The Journal of Prosthetic Dentistry

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Physical and mechanical properties of endodontic absorbent paper points

Cited by 15 publications

References 3 publications

Effect of sterilization methods on the absorption capacity of absorbent paper points

Effect of sterilization methods on the absorption capacity of absorbent paper points

Electroextraction of Large Volume Samples Using Paper Points Coupled With Hollow Fiber Membranes: Study of Parameters and Strategies to Enhance Analytical Performance

Report of the Committee on scientific investigation of the American Academy of Restorative Dentistry

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