The International journal of prosthodontics最新文献

{"title":"Comparison of the Marginal and Internal Fit of Ceramic Laminate Veneers Fabricated with Four Different CAM Techniques.","authors":"Nguyen Viet Anh, Vo Truong Nhu Ngoc, Tong Minh Son, Hoang Viet Hai, Nguyen Thu Tra","doi":"10.11607/ijp.8920","DOIUrl":"10.11607/ijp.8920","url":null,"abstract":"<p><strong>Purpose: </strong>Improvements in CAD/CAM have changed the methods of fabricating laminate veneers. The objective of this study was to evaluate the marginal and internal fit of ceramic veneers manufactured with different CAD/CAM techniques.</p><p><strong>Materials and methods: </strong>A metal die was made by copying and scanning a prepared plastic maxillary right central incisor to design a laminate veneer. In total, 100 laminate veneers were made with four different CAD/CAM techniques (n = 25), including milled lithium disilicate (MLD), heat-pressed lithium disilicate (PLD) with 3D-printed wax patterns, milled zirconia (MZ), and 3D-printed zirconia (PZ). The virtual marginal and internal fit of fabricated veneers was evaluated with digital crown-fitting software. The actual marginal and internal fit was measured with the silicone replica method under a digital microscope. The measured data were analyzed using one-way ANOVA and Tukey tests.</p><p><strong>Results: </strong>There were significant differences in marginal and internal fit (P < .001) among manufacturing techniques. Both the virtual and actual marginal and internal gaps were higher in the PLD and PZ groups compared to the MLD and MZ groups.</p><p><strong>Conclusions: </strong>All four CAD/CAM techniques for manufacturing veneers-MLD, PLD with 3D printed wax patterns, MZ, and PZ-have clinically acceptable marginal and internal fit. MZ and MLD veneers demonstrated superior marginal and internal fit compared to PZ and PLD veneers with 3D-printed wax patterns.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":" ","pages":"324-330"},"PeriodicalIF":0.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141904106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Color Stability of PMMA Resins for Complete Dentures Produced with CAD/CAM and 3D-Printing Technologies: An In Vitro Study.","authors":"Martina Bonvicini, Carlo Monaco, Antonio Arena, Ugo Consolo, Davide Silvestri, Francesca Zicari","doi":"10.11607/ijp.9191","DOIUrl":"10.11607/ijp.9191","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effect of a staining solution on the color stability of resins for complete dentures produced with conventional and digital technologies.</p><p><strong>Materials and methods: </strong>A total of 60 resin specimens were prepared and divided into six groups of 10 specimens each: Probase Hot (PH; Ivoclar), IvoBase CAD (IBC; Ivoclar), Ivotion Dent (ID; Ivoclar), Ivotion Dent Multi (IDM; Ivoclar), Dima Print Denture Base (DPDB; Kulzer), and Dima Print Denture Teeth (DPDT; Kulzer). One surface of each specimen was polished following the manufacturer's instructions. The CIELab color differences were evaluated before and after 28 days of immersion in a coffee solution and measured as ∆E using two dental spectrophotometers. One specimen for each group was selected for scanning electron microscopy (SEM) analysis at baseline and at 28 days.</p><p><strong>Results: </strong>Data analysis was performed with Kruskal-Wallis test and post-hoc Dunn test for comparison. Regarding specimens analyzed with VITA Easyshade, IDM white zone (polished and unpolished) scored higher (∆E = 0.87 and ∆E = 1.15, respectively). All milled samples (IBC, ID, IDM pink zone), scored significantly higher compared to PH and DPDT. Regarding SpectroShade, IDM pink zone performed better for both polished and unpolished specimens (∆E = 1.57 and ∆E = 2.07, respectively). ID demonstrated a statistically higher color stability compared to PH and DPDT. Regarding SEM analysis, any difference in surface morphology was observed between baseline and 28-day immersion analyses.</p><p><strong>Conclusions: </strong>Color stability was significantly higher in resin specimens obtained with digital technologies compared to conventional resin specimens afterimmersion in a staining solution.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"365-373"},"PeriodicalIF":0.0,"publicationDate":"2025-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524037","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"In Vitro Comparison Between Complete-Arch Implant Supported Frameworks Using Intraoral Scanning and Photogrammetry.","authors":"Julian Conejo, Michelle Ordway, Thomas H Yoo, Howard P Fraiman, Pablo J Atria, Luciano Retana, Markus B Blatz, Lea S Prott","doi":"10.11607/ijp.9363","DOIUrl":"https://doi.org/10.11607/ijp.9363","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the vertical microgap of complete arch implant supported frameworks (ISF) obtained from one intraoral scanner (IOS) and two different photogrammetry (PG) systems.</p><p><strong>Materials and methods: </strong>An edentulous mandibular model with four implants (BioHorizons) served as reference. Multi-unit abutments (BioHorizons) were inserted and torqued to 30 Ncm. A digital reference cast (Control group) was obtained by scanning the model with a laboratory scanner (inEosX5, Dentsply Sirona). Three test groups were investigated: PS (Primescan, Dentsply Sirona), ICam (ICam4D, Imetric4D Imaging Sàrl), and PIC (PIC System, PIC Dental). All scans were exported as Standard-tessellation language (STL) files and virtual bars were designed and milled out of titanium (n=2 per test group). The modified Sheffield test was used to quantitatively assess vertical microgaps. Differences between all groups were analyzed using Kruskal-Wallis test (a=0.05). Analysis of variance (ANOVA) was used to compare vertical microgaps at each respective implant position across groups (a=0.05).</p><p><strong>Results: </strong>Mean vertical microgaps varied across acquisition devices, with lowest values in the control group (22.65±7.279 µm), followed by ICam (24.10±7.991 µm), PIC (30.52± 9.809 µm), and PS (33.21±13.84 µm). Statistically significant differences were detected between Control and PS as well as Control and ICam. No statistically significant difference occurred between the two PG groups. Vertical microgaps were the highest at implant site 44, predominantly observed in groups PS and PIC.</p><p><strong>Conclusions: </strong>Frameworks fabricated from digital impressions of PG groups showed lower vertical microgaps than those fabricated using the IOS.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-17"},"PeriodicalIF":0.0,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144113278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Monomer Release from Resin Materials Used in Posterior Crowns Fabricated via Digital and Conventional Techniques: An In Vitro Study","authors":"Zehra Süsgün Yildirim, Sevde Gül Batmaz","doi":"10.11607/ijp.9199","DOIUrl":"10.11607/ijp.9199","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to evaluate resin-based posterior restorative materials by comparing the release of BPA, TEGDMA, HEMA, UDMA, and Bis-GMA monomers at 1 hour, 3 days and 1 month.</p><p><strong>Materials and methods: </strong>Five different materials were used in this study: Cerasmart (CS), Gradia-Plus Indirect (GI), G-ænial Posterior (GP), Formlabs 3D- Permanent Crown (FPC), and SonicFill-3 (SF). A total of 90 specimens, 8 x 8 x 2 mm3 in size were prepared from all the materials. The specimens were immersed in 75% ethanol / 25% water solution in an incubator for 1 hour, 3 days, and 1 month, after which the solutions were analyzed using high-performance liquid chromatography (HPLC). For the comparisons of data with normal distribution among the five different materials, Repeated Measures ANOVA followed by the Bonferroni post-hoc test was applied (a=0.05).</p><p><strong>Results: </strong>Except for BPA release in the FPC material, all other materials exhibited an increasing release of monomers over time (P < .001).At all the measured time points, the material with the lowest monomer release was CS, while the highest release was observed in GP. The GI material exhibited the statistically significant highest release of BPA, TEGDMA and BisGMA (P < .001), while the highest UDMA and HEMA release was observed in the GP material (P < .001).</p><p><strong>Conclusion: </strong>The highest monomer release was observed for UDMA (0.8%) from the GP material at the end of one month. However, the monomer release from all examined materials remained well below the clinically acceptable range (1.5% - 5%).</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A New Digital Technique to Analyze the Inclination of Tooth Emergence Profile and Distance of Bone Crest From Cement- Enamel Junction.","authors":"Carlo Monaco, Davide Silvestri, Tommaso Di Felice, Antonio Arena, Martina Bonvicini, Adolfo Di Fiore, Francesca Zicari","doi":"10.11607/ijp.9272","DOIUrl":"https://doi.org/10.11607/ijp.9272","url":null,"abstract":"<p><strong>Purpose: </strong>This observational study introduces a novel digital technique for analyzing theinclination of the tooth emergence profile and the distance between the bone crest and thecementoenamel junction (CEJ), essential in prosthetic dentistry.</p><p><strong>Material and methods: </strong>Thestudy used cone-beam computed tomography (CBCT) scans from 24 patients, analyzing 57teeth for emergence profile inclination and 206 teeth for the bone crest-CEJ distance. Digitalmeasures were taken using an implant planning software.</p><p><strong>Results: </strong>The emergence profileangle varies according to the tooth anatomy. Results indicated an increase in emergenceprofile angle from an average value of 13° to 19° when simulating prosthetic chamferpreparation, highlighting the importance of maintaining the natural tooth anatomy inrestorative procedures. The average distances between bone crest and CEJ were 2.43 ± 1.08mm on the buccal side, 1.96 ± 0.88 mm on the palatal side, 1.88 ± 1.05 mm on the mesialside, and 1.97 ± 0.92 mm on the distal side. Discrepancies in bone crest heights, particularlyat the vestibular reference point, were found, which could affect periodontal health.</p><p><strong>Conclusion: </strong>The research provides a foundation for future studies to refine soft tissuemanagement techniques in dental practice. These findings underscore the needing for adeeper understanding of supracrestal tissues in prosthetic rehabilitation, aiming to enhancethe design of anatomical implant abutments and improve patient outcomes.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-21"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Alginate Impressions vs IOS Optical Scanners Using Reverse Engineering Technology: A Comparative Study.","authors":"Manlio Santilli, Gianmaria D'addazio, Bruna Sinjari, Tafuri Giuseppe, Beatrice Femminella, Sergio Caputi","doi":"10.11607/ijp.9202","DOIUrl":"https://doi.org/10.11607/ijp.9202","url":null,"abstract":"<p><strong>Purpose: </strong>this study aims to compare the precision and accuracy of traditional alginate impressions and digital optical impressions taken by second-year dental students using reverse engineering technology. The null hypothesis posits no significant difference in the accuracy between the two methods when performed by inexperienced operators.</p><p><strong>Materials and methods: </strong>Twenty dental students performed 128 impressions: 64 traditional alginate impressions (Group A) and 64 digital impressions using a intraoral scanner (Group B). The impressions were analyzed and compared to reference models created by an expert operator. Data was captured using reverse engineering software (Geomagic Control X), and precision was evaluated through 3D and point-by-point analyses. Statistical analyses, including paired t tests and the Wilcoxon signed-rank test, were conducted to compare the deviations from the reference model.</p><p><strong>Results: </strong>The digital impressions demonstrated superior accuracy compared to traditional alginate impressions, with significantly smaller deviations from the reference model. Digital impressions consistently exhibited higher precision and trueness, rejecting the null hypothesis. Statistical significance was found at key points, with p-values below 0.05 for all comparisons.</p><p><strong>Conclusions: </strong>This study demonstrates that digital impressions provide significantly greater accuracy and precision than traditional alginate impressions, with lower deviations and higher reproducibility. The findings highlight the dimensional instability of alginate impressions and reinforce the advantages of digital intraoral scanning for standardization and consistency in clinical practice. Intraoral scanners provide more precise and accurate impressions than traditional methods, even when used by inexperienced operators. This study supports the integration of digital impression techniques into dental education to enhance student proficiency and improve clinical outcomes.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-24"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Health Quality Domains of IoM, WHO and OECD in a One Year Prospective Quality Register Study on Implant Treatment in Patients with Dental Agenesis.","authors":"Vlad Andrei Florescu, Christian Lerche, Michael Boelstoft Holte, Else Marie Pinholt","doi":"10.11607/ijp.9261","DOIUrl":"https://doi.org/10.11607/ijp.9261","url":null,"abstract":"<p><strong>Purpose: </strong>This 1-year prospective study evaluates the implementation of the AMETO register in the region of Southern Denmark and how data application relates to the following Institute of Medicine, World Health Organization, and Organisation for Economic Co-operation and Development health domains: Efficiency, Effectiveness, Patient Centered Care- , Timeliness, Safety, and Equitability.</p><p><strong>Materials and methods: </strong>Implementation of the register was measured using patients registered by the age of 18 years. Inclusion criteria were access to the following data: type of treatment, one- or two-stage procedures, bone augmentation, implant characteristics, and suprastructure retention methods as optional measures of Efficiency; treatment outcome measures, implant survival, peri-implant bone level and health, suprastructure conditions, and cosmetic results as optional measures of Effectiveness; anamnestic information and Oral Health Impact Profile (OHIP)-5 questionnaires as optional measures of Patient Reported Outcome Measures Patient Centered Care; patient readiness for implant insertion by performed orthodontic pre-implant treatment as a measure of Timeliness; avoiding adverse effects of medication, allergic reactions, and tissue damage as optional measures of Safety; age, gender, ethnicity, geographic location, and socioeconomic data as optional measures of Equitability.</p><p><strong>Results: </strong>There were 227 registered patients. Twenty-six patients (25 with dental agenesis and one with trauma) were included, fulfilling the study's power estimate that was calculated using peri-implant bone level at 1-year follow- up. Patients lacking OHIP questionnaires, implant information, or intraoral radiographs were excluded.</p><p><strong>Conclusions: </strong>Implementing the AMETO register was challenging. The clinical data in the AMETO register correlate well with the domains used by the IoM, WHO, and OECD.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Who are the Hybrid Ceramics? Bibliometric Review.","authors":"Roman Tatiana, Naji Kharouf, Calinescu Matei Dan, Bérangère Cournault, Olivier Etienne","doi":"10.11607/ijp.9210","DOIUrl":"10.11607/ijp.9210","url":null,"abstract":"<p><strong>Purpose: </strong>An abundance of novel materials has been added to the dental prosthodontics market. Among these materials, a new category - the 'hybrid ceramic' seems to have gained researcher's interest. It is yet unclear which biomaterials should be labelled as 'hybrid ceramics'. This bibliometric and narrative review aims to find which biomaterials are referred to as 'hybrid ceramic' and describe their principal properties, when available.</p><p><strong>Materials and methods: </strong>Two reviewers executed a literature search up to the 15th June 2024 in three electronic databases PubMED, Web of Science and Scopus. All commercial names of biomaterials labelled as \"hybrid ceramic\" were retrieved, if pertinent to the dental prosthesis. Articles referring to hybrid ceramic abutments were excluded.</p><p><strong>Results: </strong>771 studies mentioning a 'hybrid ceramic' have been identified and 226 have been selected for this bibliometric study. 25 biomaterials have been identified labelled a 'hybrid ceramics,' including 4 experimental biomaterials, 2 indirect lutable composites, 3 glass ceramics, 2 printable permanent crown resins and 14 resin based CAD/CAM blocks. Their mechanical, optical and biological properties have been described, when available.</p><p><strong>Conclusions: </strong>Hybrid ceramics are popular in the research field yet are often mislabelled. A new, detailed classification is needed.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-31"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144102932","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficiency of Diamond Rotary Instruments in Cutting Through Zirconia and Lithium Disilicate Restorations.","authors":"Taiseer A Sulaiman, Tariq A Alsahafi, Aous A Abdulmajeed, Mostafa Sulaiman, Abdulhaq A Suliman","doi":"10.11607/ijp.9341","DOIUrl":"https://doi.org/10.11607/ijp.9341","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the impact of diamond rotary instrument grit size and rotational speed on cutting efficiency through lithium disilicate and zirconia ceramic materials.</p><p><strong>Material and methods: </strong>A rectangular-shaped specimen of 12.5 × 14.5 mm and 2 mm thickness of forty lithium disilicate (IPS Emax; Ivoclar) and forty 4 mol% yttria zirconia (Katana STML; Noritake) was milled and sintered according to the manufacturer's instructions. Two diamond rotary instruments (X-tra coarse, 230 µm grit size, and fine, 46 µm grit size; Komet USA) were used to cut into the ceramic materials at 200 000 and 50 000 revolutions per minute (RPM) under a continuous water cooling rate of 50 mL/min (n = 10/grit/speed). Handpiece movement was controlled, torque was maintained at 3.4 Ncm, and pressure was maintained at 2 N using a load sensor. The efficiency of each rotary instrument was calculated. Scanning electron microscope images were made of each rotary instrument to visualize wear and deterioration. Data were analyzed statistically (α = 0.05).</p><p><strong>Results: </strong>Ceramic material cutting efficiency differed amongst diamond rotary instruments (P<.001). A coarse diamond rotary instrument at 200 000 RPM cut both ceramics efficiently (P <.001)for zirconia and lithium disilicate specimens; cutting efficiency was .064 and .107 mm/sec, respectively. Only coarse diamond rotary instruments can cut 10 mm in 10 minutes. High speed led to more efficient cutting regardless of ceramic material or rotary instrument grit (P<.001). Scanning electron images show higher wear and degradation in both grit diamond rotary instruments at 200,000 RPM than at 50,000 RPM.</p><p><strong>Conclusions: </strong>Coarse-grit diamond rotary instruments cut zirconia and lithium disilicate ceramics more efficiently than fine-grit ones. High-speed 200 000 RPM cuts ceramics more efficiently than 50 000 RPM at a lower speed.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144103470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Role of Gender in Temporomandibular Disorders Subtypes: A Cross-Sectional Study in A Southern Brazilian Population.","authors":"Camila Caspary Roithmann, Caroline Hoffmann Bueno, Patrícia Saram Progiante, Marcos Pascoal Pattussi, Patrícia Krieger Grossi, Márcio Lima Grossi","doi":"10.11607/ijp.9290","DOIUrl":"https://doi.org/10.11607/ijp.9290","url":null,"abstract":"<p><strong>Objectives: </strong>To assess prevalence and the role of sex as a risk indicator for the development of temporomandibular disorders (TMD) subtypes. This population-based cross-sectional study randomly sampled subjects attending the public health system in the city of Maringá, Brazil. The Research Diagnostic Criteria for Temporomandibular Disorders (RDC/TMD) Axis I was used to classify TMD subtypes; and the RDC/TMD Axis II, to assess Graded Chronic Pain Scale (GCPS), depression, somatization with or without pain, sociodemographic data, oral and general health, and pain history. Sleep quality was assessed by the Sleep Assessment Questionnaire (SAQ®).</p><p><strong>Results: </strong>TMD in the selected sample (n=1,643, 65.85% women) was significantly more prevalent in women as compared to men: a) GCPS moderately/severely limiting (6.3% versus 2.9%), b) muscle diagnoses (34.0% versus 20.7%), c) and disc displacements (9.0 versus 5.2). Psychological related disorders were also significantly more prevalent in women: a) depression (53.0% versus 33.5%), b) somatization without pain (48.5% versus 32.8%), and c) somatization with pain (55.5% versus 34.4%), but not significant for sleep quality (56.0% versus 58.6%). TMD pain was predominantly chronic, recurrent, and significantly higher in women than men (78.2% versus 67.6%, <0.01). Female sex significantly increased the risk (adjusted odds ratio) of developing TMD in 70% for moderately and severely limiting GCPS, 50% for developing TMD muscle diagnoses, and 70% for disc displacements, even after controlling for psychological and sociodemographic related variables.</p><p><strong>Conclusions: </strong>Sex do play a role in the development of TMD subtypes (muscle diagnoses and disc displacements) and chronicity.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-24"},"PeriodicalIF":0.0,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144102007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}