Tensile Properties of Orthodontic Elastomeric Chains

Dittmer, Marc; Demling, A.; Borchers, Lothar; Stiesch, Meike; Kohorst, Philipp; Schwestka-Polly, Rainer

doi:10.1007/s00056-010-1020-x

Cited by 6 publications

(5 citation statements)

References 26 publications

(80 reference statements)

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“…In the first 24 hours there was a sudden drop in the force in all three types of e chains both in control and experimental group and after 24 hours the force decay became stable throughout the study period. This result is similar to the studies conducted by Nattrass et al, 26 Dittmer et al, 27 Samules et al 28 and Balhoff et al 29 Among all the experimental groups, it was observed that the force degradation of Elastomeric chains was least in continuous elastomeric chains (87.75 gm) followed by long (97.25 gm) and short (97 gm). control group is also having similar result that is force degradation was least in continuous (85.75 gm) followed by short (95 gm) and long (96 gm) e-chains which was similar with the study done by Mousavi et al 12 Even though there was difference in the force decay between control and experimental group significant change was seen only in the third week.…”

Section: Discussionsupporting

confidence: 90%

Effect of chlorhexidine mouth rinse in force decay of closed, short and long elastomeric chain - An in vitro study

Sam¹,

Mishra²,

Yadav³

et al. 2022

IJODR

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: Elastomeric chain is one of the most commonly used orthodontic material, Evaluating the force transmission ability of elastomeric chains is essential so that orthodontists can estimate the actual force transferred to the dentition. The aim of this study was to assess effect of chlorhexidine mouth rinse on force decay of continuous, short and long elastomeric chain in chlorhexidine mouth wash. : The sample consisted three commercially available Orthodontic elastomeric chain (American Orthodontics, clear) such as continuous, short and long. These elastomeric chains were analysed with one experimental group and one control group. In control group all the three types of chain were dipped in distilled water for 30 second every day while in experimental group these elastomeric chains were dipped in mouth wash (Clohex Mouth Wash ADS) for 30 second every day. The result was tested by digital dynamometer and was statistically evaluated using ANOVA test. : Continuous elastomeric chain showed least force decay in both experimental and control group throughout the study. In the inter group comparison there was significant difference of force decay between elastomeric chains with the control group and experimental group in the 3 week in both continuous and short elastomeric chain, experimental group showed more force decay.: Mouthwash does not accelerate force degradation of elastomeric chains which could clinically affect their effectiveness. However, the results could be variable in the presence of other biological factors in the oral environment and their interactions between oral microorganisms with the host.

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Section: Discussionsupporting

confidence: 90%

Effect of chlorhexidine mouth rinse in force decay of closed, short and long elastomeric chain - An in vitro study

Sam¹,

Mishra²,

Yadav³

et al. 2022

IJODR

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show abstract

“…The subsequent test program in the test machine for generating the force-displacement diagrams considered the standard specifications stating that after initial extension to four times the test lengths the samples must be extended to three times their test length before the failure test. To determine forces and extensions, we used a calibrated universal testing machine already applied in previous studies [4,5,15]. The international literature on this subject contains mostly studies that compared PCs from just one or a few manufacturers [3,6,12,13].…”

Section: Diskussionmentioning

confidence: 99%

“…On the other hand, if the influence of artificial aging is not examined according to chain type, rather according to the speKräfte und Dehnungen kam eine kalibrierte, bereits in frühe-ren Untersuchungen verwendete Universalprüfmaschine zum Einsatz [4,5,15].…”

Section: Diskussionunclassified

The influence of simulated aging on the mechanical properties of orthodontic elastomeric chains without an intermodular link

et al. 2012

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“…no inter‐modular link) or open (i.e. with inter‐modular link) chain types employed 6 . Additionally, the clinician can leave chain rings between brackets unapplied to modulate the resulting force 7 .…”

Section: Introductionmentioning

confidence: 99%

“…with inter-modular link) chain types employed. 6 Additionally, the clinician can leave chain rings between brackets unapplied to modulate the resulting force. 7 Force measurements with a gauge are rarely done in the day-to-day practice and can be time consuming and imprecise.…”

mentioning

confidence: 99%

Force behaviour of elastic chains during a simulated gap closure in extraction therapy cases

Sabbagh¹,

Bamidis²,

Keller³

et al. 2022

Orthod Craniofacial Res

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Objective Tooth movement with elastic chains requires defined force magnitudes. This study assessed the force behaviour of different elastic chains at different configurations of gap width. Methods Self‐ligating brackets of teeth 5 & 6 and 2 & 3 were bonded to two movable aluminium plates. The plates were positioned on a joint basis with varying distances of 0.5, 2.0, 4.0, 6.0, and 8.0 mm. Reset forces of open and closed chains from four different manufacturers were investigated in four different configurations. Configurations differed in either having an additional intermediate ring within the gap (#1, #3) and/or having intermediate rings between teeth adjacent to the gap (#1, #2), or by no intermediate rings (#4). Forces were measured with a universal testing machine. The results were statistically analysed using U‐test, H‐test and (if applicable) post‐hoc tests with a significance level of .05. Results Configurations #1 and #3, and #2 and #4 formed homogenous subgroups (P < .001). Initial forces in configuration #4 were significantly higher than in configuration #3 (P = .029). Initial forces in closed chains were significantly higher than for open chains (P = .029). Conclusions Intermediate chain rings adjacent to the gap are not required to modulate the force. In contrast, leaving a ring unapplied in the tooth gap can help modulate the force. Open thermoset chains with an additional ring within the gap (#3) seem to produce suitable initial forces for a gap closure of 4 mm. With a residual gap width of <2 mm, open thermoset chains and closed thermoset chains (#4) seem suitable.

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Tensile Properties of Orthodontic Elastomeric Chains

Abstract: The tensile properties of different manufacturers of elastomeric orthodontic chains differ statistically significantly. Hence the amount of orthodontic force that is applied depends significantly on the type of elastomeric chains used in combination with labial or lingual appliances.

Cited by 6 publications

References 26 publications

Effect of chlorhexidine mouth rinse in force decay of closed, short and long elastomeric chain - An in vitro study

Effect of chlorhexidine mouth rinse in force decay of closed, short and long elastomeric chain - An in vitro study

The influence of simulated aging on the mechanical properties of orthodontic elastomeric chains without an intermodular link

Force behaviour of elastic chains during a simulated gap closure in extraction therapy cases

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