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Pressure analysis during impression-making procedure with various tray designs using a digital occlusion analyzer: An in vitro study

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dc.contributor.author김재영-
dc.contributor.author문홍석-
dc.date.accessioned2026-01-29T06:26:27Z-
dc.date.available2026-01-29T06:26:27Z-
dc.date.issued2025-06-
dc.identifier.issn1059-941X-
dc.identifier.urihttps://ir.ymlib.yonsei.ac.kr/handle/22282913/210333-
dc.description.abstract10.1111/jopr.14087-
dc.languageEnglish-
dc.publisherWiley-Blackwell-
dc.relation.isPartOfJOURNAL OF PROSTHODONTICS-IMPLANT ESTHETIC AND RECONSTRUCTIVE DENTISTRY-
dc.rightsCC BY-NC-ND 2.0 KR-
dc.subject.MESHcomplete denture-
dc.subject.MESHdigital occlusal analyzer-
dc.subject.MESHimpression making-
dc.subject.MESHpressure-
dc.subject.MESHrelief-
dc.subject.MESHvent hole-
dc.titlePressure analysis during impression-making procedure with various tray designs using a digital occlusion analyzer: An in vitro study-
dc.typeArticle-
dc.contributor.collegeCollege of Dentistry (치과대학)-
dc.contributor.departmentDept. of Prosthodontics (보철과학교실)-
dc.contributor.googleauthorMinji Sun-
dc.contributor.googleauthorJaeyoung Kim-
dc.contributor.googleauthorSeojune Choi-
dc.contributor.googleauthorHong Seok Moon-
dc.identifier.doi40550779-
dc.contributor.localIdA06406-
dc.contributor.localIdA01395-
dc.relation.journalcodeJ01719-
dc.identifier.eissn1532-849X-
dc.subject.keywordPurpose: The purpose of this study was to evaluate the pressures generated under various relief conditions during impression-making using the digital occlusal analyzer. Materials and methods: A customized device and impression trays were designed to measure pressure during impression-making. The left half of the tray consistently had a 0.5 mm relief without vent holes as the control group, while the right half featured varying relief and vent hole designs, resulting in six different trays. Two impression materials (Materials A and B) were loaded onto each tray, and relative pressure was measured using the digital occlusal analyzer (T-Scan Novus, Tekscan, Inc.). The pressure-reduction ratio of each experimental side was calculated. Two-way analysis of variance (ANOVA) was used to evaluate the effect of relief conditions and impression materials on the pressure-reduction ratio, followed by post hoc multiple comparisons with Bonferroni adjustment (α = 0.05). Results: The pressure-reduction ratio was significantly influenced by both impression material and relief amount (p < 0.001), with a significant interaction between the two factors (p < 0.001). In Material A, pressure reduction was significantly greater at 3 mm compared to 1 and 2 mm, whereas in Material B, pressure reduction increased progressively with greater relief amount. Regarding vent hole design, both impression material and vent hole configuration significantly affected pressure reduction (p < 0.001), with no significant interaction (p = 0.767). Designs with smaller but more widely spread vent holes demonstrated significantly greater pressure reductions, with significant differences observed only between the single-hole design and the two- or five-hole designs. Conclusions: Pressure reduction during impression making was influenced by both the viscosity of the material and the pressure-relief tray design. Forming vent holes yielded more consistent and effective results than adjusting the tray relief amount, highlighting the importance of a comprehensive approach that integrates both impression material selection and the application of various pressure-relief tray designs.-
dc.contributor.alternativeNameKim, Jae-Young-
dc.contributor.affiliatedAuthor김재영-
dc.contributor.affiliatedAuthor문홍석-
dc.citation.startPageepub.-
dc.identifier.bibliographicCitationJOURNAL OF PROSTHODONTICS-IMPLANT ESTHETIC AND RECONSTRUCTIVE DENTISTRY, : epub., 2025-06-
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Prosthodontics (보철과학교실) > 1. Journal Papers
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