The Journal of Indian Prosthodontic Society最新文献

{"title":"A comparative evaluation of marginal fit and microleakage of computer-aided design/computer-aided manufacturing-milled zirconia and prefabricated posterior occlusal veneers: An in vitrostudy.","authors":"Vasundhra Bhati, Vikram Kapoor, Neeta Pasricha, Shrimant Raman, Pallavi Sirana","doi":"10.4103/jips.jips_346_23","DOIUrl":"10.4103/jips.jips_346_23","url":null,"abstract":"<p><strong>Aims: </strong>The aim of this study was to compare the marginal fit of prefabricated occlusal veneers with computer-aided design/computer-aided manufacturing (CAD-CAM)-milled zirconia occlusal veneers in the posterior teeth.</p><p><strong>Settings and design: </strong>Forty extracted human maxillary premolars were divided into two groups of 20 each. Group 1 was prepared to receive prefabricated occlusal veneers, and Group 2 was prepared to receive CAD-CAM-milled zirconia occlusal veneers.</p><p><strong>Materials and methods: </strong>Prefabricated samples (Edelweiss) were selected for Group 1, whereas for Group 2, the tooth preparations were scanned, and occlusal veneers were fabricated using Exocad designing software and milling machine. After luting, both the groups were submerged in dye, sectioned, and evaluated for marginal fit and microleakage under a stereomicroscope using the microscope imaging software and its measurement tool.</p><p><strong>Statistical analysis used: </strong>Data collected were subjected to statistical analysis using SPSS 27.0. Intragroup and intergroup comparison was done using the Mann-Whitney U test. The Chi-square test was applied to check the depth of penetration of dye based on percentages.</p><p><strong>Results: </strong>The marginal gap of zirconia occlusal veneers fabricated with CAD-CAM is higher compared to that of prefabricated occlusal veneers. Similarly, the depth of penetration of dye is higher in CAD-CAM-milled zirconia occlusal veneers than prefabricated occlusal veneers.</p><p><strong>Conclusion: </strong>The marginal fit of prefabricated occlusal veneer is better than the marginal fit of zirconia occlusal veneers fabricated with CAD-CAM. Similarly, it can also be concluded that the microleakage of prefabricated occlusal veneer is less compared to the CAD-CAM-milled zirconia occlusal veneers.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"233-239"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321484/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470823","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Precise jaw relation recorder: An innovative device for prosthodontic rehabilitation.","authors":"C Dhinesh Kumar, Sunantha Selvaraj, Ramesh Raju, Jayashree Mohan","doi":"10.4103/jips.jips_530_23","DOIUrl":"10.4103/jips.jips_530_23","url":null,"abstract":"<p><strong>Background: </strong>The orchestration of jaw relations in edentulous scenarios poses a significant challenge, demanding acumen, and expertise from the clinician. A myriad of devices, substances, and methodologies are employed to gauge the transverse, vertical, and horizontal spectrums of jaw relations. Traditionally, a synthesis of assorted devices and techniques has been requisitioned to chronicle the spatial dynamics between the maxilla and mandible. Yet, the absence of a solitary apparatus capable of concurrently documenting the triad of jaw relations has been a notable lacuna in prosthodontic rehabilitation.</p><p><strong>Purpose: </strong>This discourse expounds on an innovative contrivance, termed the Precise Jaw Relation Recorder. This pioneering instrument is adept at capturing the tripartite jaw relation processes: the occlusal plane's alignment in parallelism to the ala-tragus line, the vertical dimension at repose, and the occlusion as well as the centric relation. The device's strategic utility lies in its ability to facilitate the creation of prostheses that are not only functionally superior but also aesthetically more pleasing.</p><p><strong>Conclusion: </strong>Its implementation is a stride toward refining the accuracy of prosthodontic outcomes, thereby elevating the standard of patient care in dental practice.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"300-305"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321475/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An evaluation of antagonist enamel wear opposing full-coverage zirconia crowns versus other ceramics full-coverage crowns and natural enamel - An umbrella review.","authors":"Naisargi Shah, Harshada Nerkar, Praveen Badwaik, Bhavna Ahuja, Rahul Malu, Nikhil Bhanushali","doi":"10.4103/jips.jips_32_24","DOIUrl":"10.4103/jips.jips_32_24","url":null,"abstract":"<p><strong>Aim: </strong>The aim of this umbrella review was to systematically review the systematic reviews on antagonist enamel wear opposing zirconia crowns compared to other ceramics and natural enamel.</p><p><strong>Settings and design: </strong>This was an umbrella review following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.</p><p><strong>Materials and methods: </strong>An electronic search of PubMed, Cochrane Central, EBSCOhost, and Google Scholar search engines for articles published from January 1, 2013, to January 1, 2023, was conducted using keywords \"enamel wear,\" \"zirconia,\" \"feldspathic,\" \"dental ceramics,\" and \"Y-TZP\" to identify systematic reviews on antagonist enamel wear opposing zirconia crowns compared to other ceramics and natural enamel.</p><p><strong>Statistical analysis used: </strong>Qualitative analysis.</p><p><strong>Results: </strong>A total of 86 articles were obtained through electronic search, of which four articles were selected after abstract screening that met the inclusion criteria for evaluating antagonist enamel wear. As compared to feldspathic groups, zirconia had substantially less antagonist wear, while surface polishing exhibited less enamel wear than glazing. Because of the heterogeneity in study design, measurement methods, and outcome variables, a meta-analysis was not possible.</p><p><strong>Conclusions: </strong>Over time, the opposing enamel wear caused by polished monolithic zirconia will be either equal to or less than that of natural enamel wear. Polished monolithic zirconia also maintains lower values of enamel wear compared to metal ceramics, feldspathic porcelains, and lithium disilicate.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"217-224"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321487/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470824","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Knowledge and awareness about temporomandibular disorder among dentists in India: Questionnaire study and review.","authors":"Vaishnavi Prabhakar, N Rajvikram, Umamaheshwari Ramachandran, R Saravanan, Abraham Anandapandian Ponsekar, Davis C Thomas","doi":"10.4103/jips.jips_573_23","DOIUrl":"10.4103/jips.jips_573_23","url":null,"abstract":"<p><strong>Aim: </strong>Temporomandibular disorders (TMD) comprise ailments involving the jaw joint (temporomandibular joint) and its associated anatomical structures. The complexity involved in TMD is primarily due to its broad spectrum of conditions, clinical signs and symptoms variability, and multifactorial etiology. Considering the above, the present study was performed to help understand the prevailing knowledge and awareness of TMD among Indian dentists in the context of the new specialty \"orofacial pain\".</p><p><strong>Settings and design: </strong>Questinnaire study and review.</p><p><strong>Materials and methods: </strong>The questionnaire was distributed using a web-based portal nationwide among Indian dentists. Dentists were invited to participate, clearly stating that the intent and purpose of the questionnaire was to record the existing knowledge and awareness concerning temporomandibular disorders among Indian dentists. The questionnaire was segregated into three sections: pathogenesis, diagnosis, and management of TMDs. The questions were recorded using a Likert three-point scale (1=agree; 2=disagree; 3=not aware). 310 dentists participated in the survey, among which 105 were general dentists (BDS [Bachelor of Dental Surgery] graduates), and 205 were dentists with specialist training (MDS [Masters of Dental Surgery] graduates).</p><p><strong>Statistical analysis used: </strong>The results obtained from the study participants was used to calculate the percentage and frequency, following which tabulations were made based on graduate type and clinical experience. The values obtained from all three sections were recorded, and the responses were analysed using Pearson's Chi-Square test with statistical significance kept at P < 0.05.</p><p><strong>Results: </strong>Results of the study disclosed that only 58.1% of general dentists and 46.8% of specialists were confident in handling temporomandibular disorder patients. Splint therapy was the preferred treatment modality for general dentists, whereas dentists with specialist training preferred occlusal rehabilitation.</p><p><strong>Conclusion: </strong>The results of the current survey indicate that Indian dentists lack sufficient training in dental schools on all three sections and face difficulty diagnosing and treating TMDs.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"284-291"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321477/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of microtensile bond strength of prepared teeth treated with proanthocyanidin, Camellia sinensis - Polyphenols, and metal crowns luted with resin-modified glass ionomer cement: An in vitro study.","authors":"B Gayathrie, Murugesan Krishnan, Suganya Srinivasan, Fathima Banu Raza, Balasubramanium Muthukumar","doi":"10.4103/jips.jips_127_24","DOIUrl":"10.4103/jips.jips_127_24","url":null,"abstract":"<p><strong>Aim: </strong>The aim of this study was to evaluate the effect of proanthocyanidin and C. sinensis-polyphenols on microtensile bonding properties of prepared teeth with resin-modified glass ionomer cement (GIC).</p><p><strong>Setting and design: </strong>This was an in vitro study.</p><p><strong>Materials and methods: </strong>Seventy-eight maxillary premolars were selected and mounted into auto-polymerizing acrylic resin blocks. The samples were prepared and metal crowns were fabricated. The samples were randomly divided into three groups. Samples under Group 1 were not treated with any of the extracts and followed conventional bonding protocol. Samples under Group 2 and Group 3 were treated with proanthocyanidin and C. sinensis-polyphenols, respectively. After dentin treatment, these samples were luted to metal crowns using resin-modified GIC. Universal testing machine was used to measure the load at which the crowns were debonded and microtensile bond strength in MPa was calculated.</p><p><strong>Statistical analysis: </strong>The results were statistically analyzed using one-way ANOVA and post hoc Tukey HSD.</p><p><strong>Results: </strong>Samples treated with C. sinensis polyphenols (Group 3) had maximum bond strength followed by Group 2, where the samples were treated with proanthocyanidin.</p><p><strong>Conclusion: </strong>C. sinensis polyphenols due to their anti-proteolytic and antioxidant properties showed improved bond strength compared to proanthocyanidin, a cross-linking agent, followed by conventional bonding protocol.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"279-283"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321478/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparative evaluation of osseodensification drilling versus conventional drilling technique on dental implant stability: A systematic review.","authors":"Saurav Banerjee, Dolanchanpa Dasgupta, Nikita Parasrampuria, Dipankar Pal, Udey Vir Gandhi","doi":"10.4103/jips.jips_480_23","DOIUrl":"10.4103/jips.jips_480_23","url":null,"abstract":"<p><strong>Aim: </strong>The present systematic review compares the stability, crestal bone levels and efficacy of osseodensification (OD) drilling techniques for dental implant placement to traditional drilling methods.</p><p><strong>Settings and design: </strong>The Cochrane online library, PubMed, Scopus, and other well-known online resources are used in the research. Using a systematic review design, the current study examines published qualitative studies with an emphasis on analysis.</p><p><strong>Materials and methods: </strong>Using precise keywords, a thorough search of pertinent databases was carried out in accordance with PRISMA standards. Studies testing dental implant stability, crestal bone levels and clinical results using both OD and traditional procedures were covered by the inclusion criteria.</p><p><strong>Statistical analysis used: </strong>The risk of bias and quality of included studies was assessed using the Newcastle-Ottawa Scale for observational studies and the Cochrane Risk of Bias tool for randomized controlled trials.</p><p><strong>Results: </strong>A total of 170 patients and 334 implants from Egypt, India, and Brazil were included in eight papers that made up the systematic review. In several clinical situations, osseodensification outperformed standard drilling in terms of implant durability, bone development, and torque data. Statistical analysis presented the lowest risks, while blinded outcome assessment, allocation concealment, random sequence generation, incomplete outcome data and experimental technique revealed higher risks. Bias assessment found various risks across different components.</p><p><strong>Conclusion: </strong>The thorough examination of eight papers demonstrates that osseodensification is a technique with great promise in the field of dental implants. It exhibits superior torque values, bone development, and stability when compared to traditional drilling. The overall results highlight the potential of osseodensification to improve clinical outcomes and advance the science of dental implantology, even in the face of variances in bias concerns.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"225-232"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321476/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An observational analysis to evaluate the influence of occlusion on body posture and plantar pressure - An in vivo study.","authors":"Aishwarya Deshmukh, Shwetha Kumari Poovani, Prafulla Thumati","doi":"10.4103/jips.jips_497_23","DOIUrl":"10.4103/jips.jips_497_23","url":null,"abstract":"<p><strong>Aim: </strong>The aim of this study is to evaluate the influence of occlusion on body posture and plantar arch pressure.</p><p><strong>Settings and design: </strong>An Observational analysis to Analyze the Influence of Occlusion on Plantar Pressure and Body Posture.</p><p><strong>Materials and methods: </strong>A total of 30 asymptomatic subjects were selected for the study including 18 females and 12 males from age group 22 years to 28 years with a mean age of 24.83 years. Each subject underwent evaluation of occlusion at MIP using a Digital Occlusal analyzer (T-Scan III). At this point, the subjects were made to stand on a mat scan which consisted of a large postural platform sensor and a computer that displayed the plantar pressure data. The computer connected to the T Scan displayed the occlusal pressure analysis. This was followed by an evaluation of body posture using a posture grid where the photographs were taken and an evaluation of the frontal and lateral photos was done using the APECS - posture analysis app.</p><p><strong>Statistical analysis used: </strong>Statistical package for social sciences (SPSS) for windows version 22.0 Released 2013, Armonk, N Y: IBM Corp., was used to perform Statistical Analysis. A chi-square test was applied for qualitative variables to find the association. Paired t-test was applied to compare the changes in the quantitative parameters in eye-open and eye-closed conditions. The level of significance was set at 5%.</p><p><strong>Results: </strong>As observed from the results, occlusion for 40% of the subjects, where n = 12, was dominant on the right side. Occlusion for 23.3% of subjects, where n = 7, was dominant on the left side. Whereas, for 36.7% of subjects, where n = 11, the pressure distribution was almost equal on both sides. The inclination of body posture for 23.3% of subjects, where n = 7, was towards the right side. The inclination of body posture for 50% of subjects, where n = 11, was towards the left side. And, the inclination of body posture for 26.7% of subjects, where n = 8, was neutral i.e., balanced on the right and left side. Plantar pressure for 6.7% of subjects, where n = 2, was dominant on the right side. Plantar pressure for 36.7% of subjects, where n = 11, was dominant on the left side. Whereas, for 56.7% of subjects, where n = 17, the plantar pressure distribution was almost equal on both sides.</p><p><strong>Conclusion: </strong>On correlating the three parameters, it was found that occlusion for most of the subjects dominated on the right side, while body posture and plantar pressure dominated on the contralateral i.e., left side.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"273-278"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321483/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Selection of research topic.","authors":"Anand Kumar Vaidyanathan","doi":"10.4103/jips.jips_198_24","DOIUrl":"10.4103/jips.jips_198_24","url":null,"abstract":"","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"215-216"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321488/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of flexural strength and microhardness in Vaccinium macrocarpon (cranberry)-added self-cure polymethyl methacrylate dental resin: An in vitro study.","authors":"K V Anitha, Rajkumar Krishnan","doi":"10.4103/jips.jips_25_24","DOIUrl":"10.4103/jips.jips_25_24","url":null,"abstract":"<p><strong>Aim: </strong>Occurrence of denture stomatitis and prosthesis breakage are common problems faced by elderly people wearing removable dentures. To overcome this, several attempts are made to improve the denture material by addition of antimicrobials without compromising original properties. The aim of the study was to evaluate flexural strength and microhardness of self-cured polymethyl methacrylate (PMMA) denture base resin after addition of Vaccinium macrocarpon (commonly called as cranberry), extract as antimicrobial, at varying proportions.</p><p><strong>Study setting and design: </strong>Experimental in vitro study.</p><p><strong>Materials and methods: </strong>Frozen cranberry fruits were subjected to extraction process in the presence of aqueous solvents. Lyophilized extract was added in proportions of 0, 0.5, 1.0, 1.5, and 2.0 dry wt/wt % into polymer of self-cure PMMA denture base resin. Based on cranberry inclusion, the study comprised one control (0%) and four test groups (0.5%-2%) with total of 100 samples. A three-point bending test for flexural strength was done for fifty study samples (n = 10). Surface of fractured samples was analyzed using a scanning electron microscope (SEM). Microhardness was determined using Vickers hardness test.</p><p><strong>Statistical analysis used: </strong>One-way statistical ANOVA test was done to find the difference between groups, followed by Tukey's post hoc test for multiple pairwise comparison.</p><p><strong>Results: </strong>Flexural strength ranged from 66.80 to 69.28 MPa, and a statistically insignificant difference was observed between groups (P > 0.05). SEM evaluation showed uniformly dispersed strands of cranberry extract in PMMA matrix. With higher concentration, less voids were seen. Vickers microhardness value significantly decreased from 15.96 in the control group to 14.57 with 2% cranberry addition (P < 0.05).</p><p><strong>Conclusion: </strong>Incorporation of cranberry extract into self-cure PMMA denture base resin, up to 2 dry wt %, did not decline the flexural strength. However, there was a significant decrease in Vickers microhardness values when compared against the control group (0% cranberry inclusion).</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"266-272"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321482/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of different occlusal materials on peri-implant stress distribution with different osseointegration condition: A finite element analysis.","authors":"Dhanasekaran Thirumaran, Andonissamy Leoney, Abdullah Fayeez, Paramasivam Yazhini Shanmya","doi":"10.4103/jips.jips_424_23","DOIUrl":"10.4103/jips.jips_424_23","url":null,"abstract":"<p><strong>Aim: </strong>Studies have not been done to evaluate the peri-implant stress exerted by materials(like PEEK and resin matrix ceramics) in different osseointegration conditions. To investigate the effect of different occlusal materials on peri-implant stress distribution with different osseointegration condition using finite element analysis.</p><p><strong>Settings and design: </strong>Eighteen different 3D FEA models of implant fixed with abutment were created involving 6 different occlusal materials (Heat cured temporary acrylic resin (PMMA), Bis-GMA, PEEK, Lithium disilicate, Resin matrix ceramics and translucent Zirconia) and different osseointegrated conditions (50%, 75%, 100%).</p><p><strong>Materials and methods: </strong>Models were subjected to loading vertically and obliquely followed by evaluation of stress distribution.</p><p><strong>Statistical analysis used: </strong>The results of the simulation obtained were analysed in terms of Von mises, maximum principal and minimal principal stresses using descriptive stastistics.</p><p><strong>Results: </strong>PMMA (40.14 MPa on vertical loading and 66 MPa on oblique loading) resulted in the highest stresses and lithium disilicate (24 MPa on vertical loading and 52.40 MPa on oblique loading) resulted in least stresses among all the crown materials. Upon oblique loading, von Mises stress increases except for translucent zirconia and lithium disilicate (52.444 MPa on 50%, 47.733 MPa on 75%, and 43.973 MPa on 100% osseointegration). Minimal principal stress values decreased with increase in osseointegration upon oblique loading for PMMA, BisGMA, and PEEK.</p><p><strong>Conclusion: </strong>Translucent zirconia and lithium disilicate offer a better stress transmission. Minimal principal stress values of PEEK and BisGMA decreased with increasing osseointegration.</p>","PeriodicalId":22669,"journal":{"name":"The Journal of Indian Prosthodontic Society","volume":"24 3","pages":"292-299"},"PeriodicalIF":1.0,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11321481/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141470898","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}