Digital and conventional workflows for complete denture retention
- VernacularTitle:Дижитал болон уламжлалт аргаар хийсэн хоншоорын бүрэн шүдэлбэрийн тогтцыг харьцуулсан дүн
- Author:
Buyankhishig B
1
;
Javkhlan P
1
;
Baatarkhuu B
2
;
Otgonbayar B
1
Author Information
1. Department of Prosthodontics, School of Dentistry, MNUMS
2. Department of Dental Technology, School of Dentistry, MNUMS
- Publication Type:Journal Article
- Keywords:
Retention;
Adaptation;
Measurement
- From:
Mongolian Journal of Health Sciences
2026;92(2):45-48
- CountryMongolia
- Language:Mongolian
-
Abstract:
Background:Although the prevalence of complete edentulism has decreased over the past decade, there are significant regional differences. For example, among adults aged 15 and older in the United States, the prevalence of complete edentulism is 4.9%, while in China, approximately one in four elderly individuals is completely edentulous. The primary treatment for this condition is complete dentures. Over the past ten years, the use of digital technology for fabricating complete dentures has increased substantially, prompting comparative studies between conventionally fabricated and digitally fabricated complete dentures.
Aim:To compare the initial fit of complete maxillary dentures fabricated using digital and conventional methods, and to evaluate the dimensional changes after one month of denture use.
Materials and Methods:This study was conducted based on the decision No. 24-25/05-02 of the Research Ethics Committee of the Mongolian National University of Medical Sciences. The study was carried out at the School of Dentistry, specifically in the Department of Prosthodontics and the Digital Technology Laboratory. A total of 30 complete dentures-15 fabricated digitally and 15 fabricated using conventional methods-were made for 15 patients with complete edentulism. Each denture was used for a period of one month, after which denture retention was re-evaluated using a force gauge (AMF500). Statistical analysis was performed using SPSS version 26.0, and differences were considered significant at p<0.05.
Result:To compare the differences between digital and conventional methods at baseline, the Wilcoxon Signed-Rank Test was performed. The results showed a statistically significant difference (Z=-2.045, p=0.041, p<0.05). At the one-month follow-up, the Friedman test revealed a significant difference among the four groups (χ²(3)=11.40, p=0.01). Pairwise comparisons using the Wilcoxon Signed-Rank Test indicated that retention of conventional complete dentures at one month was significantly different (Z=-2.803, p=0.005), and retention of CAD/CAM-fabricated complete dentures at one month was also significantly different (Z=-2.497, p=0.013). However, comparison of baseline and one-month retention between CAD/CAM and conventional dentures showed no statistically significant difference (p=0.059).
Conclusion:At baseline, retention of conventional complete dentures was statistically higher compared to CAD/CAM-fabricated dentures. At the one-month follow-up, retention improved for both conventional and digital dentures.
- Full text:2026092615292324338.pdf
