Comparison of contact angle of Flexor®, Molloplast® B and GC-Reline II Soft® denture liners
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Zakład Protetyki Stomatologicznej, Uniwersytet Medyczny im. Piastów Śląskich, Polska
Submission date: 2021-03-04
Final revision date: 2021-03-11
Acceptance date: 2021-03-17
Publication date: 2021-03-24
Corresponding author
Zdzislaw Artur Bogucki   

Zakład Protetyki Stomatologicznej, Uniwersytet Medyczny im. Piastów Śląskich, Krakowska 25, 50-432, Wrocław, Polska
Prosthodontics 2021;71(1):67-73
The clinical application of soft denture liners is well known. They are commonly used to reduce soreness caused by the action of hard denture plate on the mucoosseous denture base and are suitable for both complete and partial dentures. Their significant application is in postoperative procedures following craniofacial surgeries, particularly for cleft palate prostheses, and for prostheses after resections. Their application has been described in the literature, however, little research has been conducted on their wettability.

Aim of the study:
To assess the contact angle and hydrophilic or hydrophobic properties of three silicone resin materials: Molloplast® B, Flexor® and GC-Reline II Soft®.

Material and methods:
Cylindrical samples were placed in the electronic measurement appliances. The contact angle was examined immediately after the samples were made, after one week, one month and three months.

The measurements of contact angle of soft lining materials are presented in tables. After the three-month period, the contact angle for Flexors® specimens was 104.85°, it was 2.70 degrees higher than in the first measurement (2.63%). For Molloplast® B the mean contact angle was 106.35° after three months and it was 0.04 degrees higher (0.37%) and for GC-Reline II Soft®, after three months, the mean value of the angle increased from 104.44° to 104.7° (0.24%).

From the results of the present series of studies, it is evident that the differences in the contact angle index were insignificant in the clinical treatment.

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