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Year : 2015  |  Volume : 5  |  Issue : 5  |  Page : 365-371

Do flexible acrylic resin lingual flanges improve retention of mandibular complete dentures?

1 Department of Removable Prosthodontics, Faculty of Oral & Dental Medicine, Cairo University, Cairo, Egypt
2 Department of Fixed and Removable Prosthodontics, Oral and Dental Research Division, National Research Centre, Giza, Egypt
3 Department of Restorative Dental Sciences, Al-Farabi Colleges, Riyadh, Saudi Arabia

Correspondence Address:
Mohammad Zakaria Nassani
Department of Restorative Dental Sciences, Al-Farabi Colleges, PO Box 85184, Riyadh - 11691
Saudi Arabia
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Source of Support: Nil., Conflict of Interest: The authors declare no financial relationship with any commercial firm that may pose a conflict of interest for this study.

DOI: 10.4103/2231-0762.165928

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Objectives: The aim of this study was to compare the retention of conventional mandibular complete dentures with that of mandibular complete dentures having lingual flanges constructed with flexible acrylic resin “Versacryl.” Materials and Methods: The study sample comprised 10 completely edentulous patients. Each patient received one maxillary complete denture and two mandibular complete dentures. One mandibular denture was made of conventional heat-cured acrylic resin and the other had its lingual flanges made of flexible acrylic resin Versacryl. Digital force-meter was used to measure retention of mandibular dentures at delivery and at 2 weeks and 45 days following denture insertion. Results: The statistical analysis showed that at baseline and follow-up appointments, retention of mandibular complete dentures with flexible lingual flanges was significantly greater than retention of conventional mandibular dentures (P < 0.05). In both types of mandibular dentures, retention of dentures increased significantly over the follow-up period (P< 0.05). Conclusions: The use of flexible acrylic resin lingual flanges in the construction of mandibular complete dentures improved denture retention.

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