Absence or loss of facial structures causes functional deficits and enormous psychological distress, so rehabilitation is necessary. However, facial prostheses have some difficulties due to mobile underlying tissues and retention. We used DENTAL implant instead of conventional maxillofacial implant and safe on four prosthetic systems which is used in over dentures for retention of auricular PROSTHESIS.

Objectives Job satisfaction in dentistry plays a crucial role in treatment success. Evaluating job satisfaction among DENTAL professionals is essential in recognizing the impact of work environment factors on performance quality. DENTAL PROSTHESIS technicians are integral members of the DENTAL treatment team. The present study aimed to assess the job satisfaction of DENTAL technicians in Iran through a questionnaire. Methods A questionnaire was distributed among 200 DENTAL technicians participating in the Congress of Iranian DENTAL Technician Association. Descriptive statistics, including relative frequencies, means, and standard deviations, were utilized to determine job satisfaction levels. The relationship between satisfaction and independent variables was analyzed using independent t-tests and analysis of variance (ANOVA). Results In this study, 190 people, including 110 (57. 6%) men and 80 (42. 4%) women, were evaluated in terms of satisfaction. The mean satisfaction score was 129 ± 15. 09. A significant relationship was observed between satisfaction and age (p <0. 001), i. e., higher satisfaction was observed in younger participants. Conclusion Despite the moderate and high job satisfaction levels among DENTAL PROSTHESIS technicians in Iran, there is an urgent need for special planning by policymakers in the field of oral health to enhance their knowledge, improve their job conditions, and elevate their academic status.

This review paper explores the transformative integration of artificial intelligence (AI) and nanotechnology in DENTAL prosthetics, emphasizing their combined potential to enhance patient-specific outcomes in prosthodontics. Nanotechnology enables the fabrication of DENTAL prostheses that closely mimic natural teeth, while AI utilizes machine learning and neural networks to optimize diagnostic imaging, treatment planning, and PROSTHESIS customization. This synergy reduces clinical time and improves therapeutic success. The paper addresses current clinical demands for personalized DENTAL care, highlighting how AI-driven analysis of patient data, combined with advanced nanomaterials, meets these needs. Despite promising progress, challenges such as limited high-quality data for AI training, high initial costs, and technical complexity limit widespread clinical adoption. This review outlines the rationale, scope, and challenges of integrating AI and nanotechnology in DENTAL prosthetics, providing a comprehensive overview of this innovative approach.

Objective: The aim of this study was to evaluate and compare the status of supporting tissue around implant-supported fixed partial denture with or without cantilever clinically and radiographically during a four-year period.Materials and Methods: One hundred and fifty nine patients who were treated by 482 implants supported fixed partial PROSTHESIS with and without cantilever after at least four years of treatment, were evaluated. Clinical and radiographic indices of plaque index, probing pocket depth, bleeding index, and marginal bone loss were measured. Collected data were analyzed by Mann-Whitney, Fridman and repeated-measures ANOVA tests using SPSS software.Results: The overall survival rate of implant supported PROSTHESIS was 95.9% after at least four years of treatment. The success rates of implant supported fixed PROSTHESIS with and without cantilever were 94.6% and 96.8% respectively. Marginal bone loss in the cantilevered fixed PROSTHESIS was significantly more than the second group after two and four years of treatment (P<0.001), however, all the clinical indices were not significantly different.Conclusion: Considering the guidelines of cantilever PROSTHESIS applications, using the cantilevered fixed partial dentures have a similar and comparable prognosis as the traditional implant-supported fixed prostheses.

Objectives: The retentive properties of implant-retained overdentures (IRO) may be influenced by the type of attachments. The aim of this research was to compare the retention of two DENTAL implant systems with compatible ball attachments, namely Straumann® system (SS) and Rhein83 SRL system (RS) after fatigue testing. Materials and Methods: Two laboratory models consisting of two parallel Straumann® fixtures at a distance of 22 mm were prepared. Five pairs of each systems' ball attachments were examined (n=5). The samples were soaked in artificial saliva. The retention strength values (RSV) were recorded before the fatigue test and after 1100, 2200, 3300, 4400, and 5500 insertion and removal cycles at a speed of 51 mm/minute with a 50-N load cell in a universal testing machine. The data were analyzed by repeated measures analysis of variance (ANOVA) followed by independent sample t-test with Bonferroni corrections. Results: There was a decrease in the RSV in both systems after 5500 cycles of insertion and removal. There was a significant statistical difference between the RSV of the normal Sphero Block of the RS (17. 52± 0. 68 N) and that of the Spare Lamella retention inserts of the SS (19. 72± 0. 74 N, P=0. 001). Conclusions: Although the RSVs of the RS and SS were almost similar before the fatigue test, as the number of insertion and removal cycles increased, the RSV decreased more significantly in the RS compared to the SS.

Complete edentulism is one of the most common problems encountered by geriatric individuals. With advanced aging, despite attempts made to retain natural dentition, loss of entire teeth is yet observed. For precise denture fabrication, a digital sensor device was used during the making procedure. The use of sensor device aided in better appreciation and more retentiveness of denture.