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Authors: Minervini, Giuseppe | Cervino, Gabriele | Chaturvedi, Saurabh | Franco, Rocco | di Francesco, Fabrizio | Fiorillo, Luca | Cicciù, Marco

Article Type: Review Article

Abstract: BACKGROUND: Edentulism conducts to a recognized impairment of oral function with both aesthetic and psychological changes. These patients suffer from a multiplicity of problems with their dentures, such as insufficient stability, retention and pain during mastication. The rehabilitation of a part edentulous patient can be established using a wide range of prosthetic treatment options. The overdenture treatment uses a removable total denture that overlies retained teeth, tooth roots, or dental implants. In the literature it was shown that patients with removable overdentures supported and retained either by tooth roots or implants have more predictable prosthodontic outcomes. OBJECTIVE: The aim of …this review is to provide an overview on the overdenture with a focus on the tooth-supported telescopic overdenture. METHODS: The literature research was performed in the Scopus, Web of Science, and Pubmed electronic databases. Document type was limited to papers written in English, without time restrictions. The Review was recorded in the international PROSPERO (International Prospective Register of Systematic Reviews) database with the following number CRD42022326415. RESULTS: A total of 256 articles published were found from electronic searches, Two independent reviewers carried out the screening and the selection process for the studies. First, duplicate citations were eliminated. Then, the two Authors independently screened the retrieved articles by title and abstract of each citation to determine its suitability for inclusion. Finally, 13 full-text articles satisfied the inclusion criteria. CONCLUSION: Prostheses supported by Frictional telescopic crowns offer an effective treatment alternative for patients with Severely reduced dentitions who do not want implant treatment or complete dentures. Show more

Keywords: Jaw rehabilitation, overdenture, tooth-supported telescopic, full arch rehabilitation, implant

DOI: 10.3233/THC-220641

Citation: Technology and Health Care, vol. 31, no. 3, pp. 791-807, 2023

Authors: Meenakshi, Srinivasa Iyer | Maheshkumar, Hima | Dureja, Shyla | Rao, Raghunath Nagasundara | Shivakumar, Ganiga Channaiah | Marrapodi, Maria Maddalena | Cervino, Gabriele | Minervini, Giuseppe

Article Type: Research Article

Abstract: BACKGROUND: Polymethyl methacrylate (PMMA) is a commonly used denture base material, but susceptibility to fracture under functional loading remains a challenge. OBJECTIVE: This preliminary screening study aims to investigate the potential of sericin and fibroin as reinforcing agents in the PMMA denture base material. METHODS: The flexural and impact strengths of PMMA incorporated with 0.01% sericin, and 0.01% each of sericin and fibroin, were evaluated. The control group consisted of PMMA without any additives. The maximum load and energy required to break the samples were measured. Statistical analysis was performed using one-way ANOVA test and Scheffe Post Hoc tests to …compare mean values between subgroups. RESULTS: The results indicated significant improvement in the flexural and impact strengths of PMMA with the addition of sericin and fibroin. The subgroups with 0.01% sericin, and 0.01% each of sericin and fibroin, demonstrated higher mean values in load and energy measurements compared to the control group. The statistical analysis confirmed the significance of these findings. CONCLUSION: The addition of 0.01% sericin and 0.01% each of sericin and fibroin to PMMA denture-based resin material significantly increases its flexural and impact strengths. These preliminary findings suggest the potential of sericin and fibroin as effective reinforcing agents in PMMA denture base materials, thereby enhancing their biomechanical properties. Show more

Keywords: PMMA, denture base material, sericin, fibroin, flexural strength, impact strength, reinforcing agents

DOI: 10.3233/THC-231772

Citation: Technology and Health Care, vol. 32, no. 4, pp. 2643-2656, 2024