Evaluation of convential and CAD CAM technology in fabrication of removable partial denture | ||||
| Al-Azhar Journal of Dentistry | ||||
| Volume 2024, Issue 1, January 2024 | ||||
| DOI: 10.58675/2974-4164.1634 | ||||
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| Authors | ||||
| Walaa Abd ElRehim Sayed Ahmed1; Amany Ahmed Abdel Fattah2; Shereen Mohamed Kabeel3 | ||||
| 1Dentist at Egyptian ministry of health | ||||
| 2Professor of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University for Girls. | ||||
| 3Assistant Professor of Removable Prosthodontics, Faculty of Dental Medicine, Al-Azhar University for Girls. | ||||
| Abstract | ||||
| Objective: The aim of this study was to detect the electromyographic activity (EMG) and patient satisfaction of removable partial dentures (RPDs) framework constructed by different techniques in mandibular Kennedy class I cases. Material and methods: This clinical trial included ten partially edentulous patients with age between 40 and 50 who were recruited from the outpatient clinic of the Removable Prosthodontics Department, Faculty of Dental Medicine for Girls, Al-Azhar University. All patients had mandibular Kennedy class I, each patient received three RPDs. The first was metal framework constructed by the conventional technique, the second and third were acetal resin (Polyoxymethylene) fabricated by thermo injectable and CAD/CAM techniques respectively. Evaluation of electromayographic activity(EMG) and patients satisfaction was carried out for each patient at insertion of the partials denturs, and one and three months after denture use. Results: EMG found the highest values in patients with conventionally manufactured partial dentures. At different follow-up times, however, acetal resin partial denture using CAD/CAM technology demonstrated higher patient satisfaction with significant difference was P-value < 0.001 than the others at the follow up time. Conclusion: According to the findings, acetal resin partial dentures designed and fabricated using CAD/CAM technology can be considered a favorable treatment modality for the construction of partial denture framwork as a nonmetallic material alternative to the conventional cobalt chromium one with excellent functional performance and patient satisfaction. | ||||
| Keywords | ||||
| partial dentures; Electromyographic activity; Acetal Resin; CAD /CAM | ||||
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