COMPARATIVE EVALUATION OF THE PHYSICOMECHANICAL PROPERTIES OF A NEW ACRYLIC-FREE MATERIAL FOR REMOVABLE DENTURE BASES

• Published in: Актуальні проблеми сучасної медицини: Вісник Української медичної стоматологічної академії Vol. 25; no. 2; pp. 106 - 111
• Main Author: Kulish, S.A.
• Format: Journal Article
• Language: English
• Published: 29.05.2025
• ISSN: 2077-1096; 2077-1126
• DOI: 10.31718/2077-1096.25.2.106

Introduction. The issue of prosthetic rehabilitation in patients with partial or complete edentulism using removable laminar dentures remains highly relevant. The demand for removable prosthetics is substantial and increases proportionally with patient age. In our country, approximately 60% of individuals seeking dental prosthetic care require removable plate dentures. Notably, in 98% of these cases, denture bases are fabricated using acrylic plastics. Objective. To compare the physical and mechanical properties of a new self-curing, acrylic-free denture base material with those of existing analogues by evaluating a generalized quality index. Materials and methods. In accordance with ISO 20795-1:2013, laboratory tests were conducted on samples of a self-curing acrylic-free denture base material and its analogues – Ufi Gel hard (VOCO GmbH, Germany) and Acry-Free (Israel). For the qualimetric assessment, a multivariate analysis approach was employed, utilizing the informational value of individual laboratory parameters considered collectively in a comprehensive evaluation. Results. A key objective in modern prosthetic dentistry is to develop alternative denture base materials with minimal residual monomer content. The proposed self-curing acrylic-free plastic demonstrated competitive physical and mechanical properties compared to existing analogues, notably exhibiting a crack resistance index 87% higher than the standard. It also significantly outperformed (p ≤ 0.05) Ufi Gel hard (Germany) and Acry-Free (Israel) by 24.86% and 29.48%, respectively, in this parameter. Based on the generalized qualimetric index, the Acry-Free material showed the highest overall quality in terms of physical and mechanical properties (H = 1.846 bits). The new self-curing acrylic-free plastic followed closely, with a value only 3.41% lower (H = 1.783 bits). Ufi Gel hard demonstrated the lowest quality index (H = 1.618 bits). Conclusions. The self-curing acrylic-free plastic developed for removable denture bases meets the requirements of ISO 20795-1:2013 with regard to its physical and mechanical properties. Its high generalized quality index, exceeding the baseline quality level by a factor of 3.6, confirms its potential as a viable alternative to conventional materials. These findings support further research and technological development aimed at optimizing the clinical application of acrylic-free plastics in removable denture fabrication, with the goal of enhancing the overall quality of prosthetic treatment.