2013
DOI: 10.1016/j.jpor.2013.04.002
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Abstract: When molding a mouthguard using an EVA sheet, the thickness of the incisal and molar portions of the mouthguard can be maintained by adjusting the height of the sheet frame and heating conditions, which may be clinically useful.

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Cited by 19 publications
(60 citation statements)
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“…However, it is necessary to apply a groove to the sheet with an ultrasonic cutter. Next, simplicity was prioritized, and a heating method was devised to avoid uneven softening of the sheet . That is, the sheet is heated slowly by lowering the frame of the vacuum forming machine.…”
Section: Discussionmentioning
confidence: 99%
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“…However, it is necessary to apply a groove to the sheet with an ultrasonic cutter. Next, simplicity was prioritized, and a heating method was devised to avoid uneven softening of the sheet . That is, the sheet is heated slowly by lowering the frame of the vacuum forming machine.…”
Section: Discussionmentioning
confidence: 99%
“…Measurement points for the thickness of the incisal portion were defined at the left and right central incisor positions as follows: five equally spaced points from the proximal to the distal end of the incisal edge and 10 points on the labial surface (including five equally spaced points from the cervical to incisal edge along a line located one‐third of the distance from the proximal edge corresponding to the five points along a line located one‐third of the distance from the distal edge). Measurement points for the molar portion were defined at the left and right first molars as follows: There were 10 points on the buccal surface, including five equally spaced points from the cervical bulge to the tip of the cusp along a line located one‐third of the distance from the proximal end corresponding to the five points along a line located one‐third of the distance from the distal end (Figure ) . Measurements were performed once for each specimen.…”
Section: Methodsmentioning
confidence: 99%
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“…Consequently, some studies have investigated forming methods that can control mouthguard thickness during fabrication, that do not require additional time‐consuming processes and technical skill, and that do not affect mouthguard adaptation . Several other methods have been developed to ensure sufficient mouthguard thickness (eg, temperature, notching of the EVA sheets, and angulation of the model), including a method that controls thickness by moving the model just before sheet forming to compensate for insufficient thickness in the mouthguard anterior portion. This was previously investigated by using a vacuum forming machine and the labial thickness of the mouthguard was 1.7 times thicker (3.1 ± 0.02 mm) than that obtained with the normal forming method when a 4.0‐mm‐thick EVA sheet was used.…”
Section: Discussionmentioning
confidence: 99%