The International journal of prosthodontics最新文献

{"title":"Evaluation of the Mechanical Properties of Provisional 3D-Printed Resin After Repair with Different Materials: An In Vitro Study.","authors":"Selin Çelik Öge, Cafer Anıl Erdem, Murat Eser, Orhun Ekren","doi":"10.11607/ijp.9172","DOIUrl":"10.11607/ijp.9172","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the mechanical properties of the 3D-printed provisional restoration material after it was repaired using different materials.</p><p><strong>Materials and methods: </strong>Bar specimens were manufactured using 3D-printing technology in accordance with the ISO 10477:2020 standards and divided into five groups randomly. For repair material application and replacement on the standardized silicone mold, the test specimens were ground at the center by 1 × 2 × 2 mm. No grinding was done on the control group specimens. Flowable composite, bis-acryl composite resin, polymethyl methacrylate resin, and temporary 3D-printing resin were used as repair materials (n = 16). The specimens underwent a three-point bending (3PB) test with a crosshead speed of 1 mm/minute to assess their flexural strength (FS) and flexural modulus (FM). The data received statistical analysis with one-way ANOVA and Tukey test. Weibull analysis was performed, and the Weibull modulus of the specimens was calculated.</p><p><strong>Results: </strong>Control group specimens showed the highest FS (142 ± 12.6 MPa) and FM (4,497 ± 1,205 MPa) values. Among the test groups, the use of temporary 3D-printing resin as a repair material exhibited the greatest FS (67 ± 33.3 MPa) values and showed statistical significance when compared to all other groups.</p><p><strong>Conclusions: </strong>Repairing 3D-printed provisional resin material weakens its mechanical properties. However, using the original 3D-printed provisional resin material can be an effective choice for implementing minor modifications and additions.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"538-544"},"PeriodicalIF":1.8,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142562970","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 of Surface Characteristics and Bacterial Adhesion in Composite Resin-Based Materials for Additive, Subtractive, and Conventional Manufacturing.","authors":"Sevde Gül Batmaz, Zehra Süsgün Yildirim, Zeynep Ceren Çelik, Dilajla Ardiç, Cihan Küden","doi":"10.11607/ijp.9212","DOIUrl":"10.11607/ijp.9212","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the surface roughness (SR), contact angle (CA), surface free energy (SFE), and bacterial adhesion of resin-based materials used in additive, subtractive, and conventional manufacturing techniques.</p><p><strong>Materials and methods: </strong>This study involved four groups of 23 specimens: indirect conventional resin composite (ICRC), subtractively manufactured resin composite (SMRC), additively manufactured resin composite (AMRC), and soda-lime-silica glass (SLSG). One specimen per group was analyzed with energy dispersive X-ray spectroscopy (EDS) before polishing. Following the polishing procedure, SR, CA, and SFE were measured. The sterilized specimens were divided into two subgroups for Streptococcus mutans and Streptococcus mitis adhesion. One randomly selected specimen from each group was also reserved for visualization of bacterial adhesion using scanning electron microscopy (SEM), and bacterial adhesion was quantified in the remaining specimens (n = 10). Data for SR, CA, SFE, and bacterial adhesion were analyzed using one-way ANOVA, Tukey post-hoc tests, and Pearson correlation (α = .05).</p><p><strong>Results: </strong>Among the resin groups, the ICRC group had the lowest SR values (P < .001). A higher CA was observed in the SMRC group than the AMRC group (P = .016). AMRC displayed significantly lower S mitis adhesion compared to ICRC and SMRC (P < .001 and P = .003, respectively). A positive correlation was found between SR and S mutans adhesion (R = .455, P < .003).</p><p><strong>Conclusions: </strong>Resin materials designed for different manufacturing techniques exhibited diverse surface characteristics. Nevertheless, the 3D-printable permanent resin demonstrated comparable S mutans adhesion to that of ICRC and SMRC.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"595-606"},"PeriodicalIF":1.8,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142866898","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":"Effect of Cutting and Rescanning Methods on Trueness and Mesh Density of Digital Intraoral Scans.","authors":"Neslihan Güntekin, Sema Ateşalp İleri, Mehmet Gözen","doi":"10.11607/ijp.9383","DOIUrl":"10.11607/ijp.9383","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effects of different cutting and rescanning methods on the trueness of digital impressions and mesh density. In particular, the contribution of the high definition (HD) rescanning mode to scanning results was analyzed.</p><p><strong>Materials and methods: </strong>The fully dentate model with a prepared mandibular right first molar was scanned using a reference scanner. The main model was repeatedly scanned with Trios 3 (T) and Medit i700 (M; T0, M0). Two copies of each scan were obtained. The crown region of the mandibular right first molar was cut and rescanned in standard resolution (T1, M1) and high resolution (T2, M2). The digital data were analyzed using CloudCompare and Meshlab software. Trueness was assessed based on RMS values obtained from 3D comparisons with the reference model.</p><p><strong>Results: </strong>While no significant differences were observed in the RMS values of full-arch scans, significant differences were found in crown RMS values (P < .001). T0 (29.03 μm) exhibited lower deviation compared to M0 (33.89 μm). M2 (29.29 μm) showed a significantly lower RMS value than M0 (33.89 μm). No significant differences were found between T0 (29.03 μm), T1 (29.28 μm), and T2 (27.22 μm). Significantly higher mesh density was detected in the M1 and M2 groups compared to the others (M1 = 42,170, M2 = 42,956).</p><p><strong>Conclusions: </strong>Rescanning methods may affect scanning accuracy and mesh density. Specifically, the high-resolution mode of the Medit i700 has the potential to provide better accuracy and detail in localized areas.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"607-614"},"PeriodicalIF":1.8,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144304122","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":"Comparison of Horizontal Arch Relation Pathways of Edentulous Patients Recorded with a Digital Arch Motion-Tracking Device.","authors":"Leonardo Ciocca, Mattia Maltauro, Federico Tozzi, Elisa Vargiu, Roberto Meneghello, Angela Montanari, Laura Anderlucci","doi":"10.11607/ijp.9232","DOIUrl":"10.11607/ijp.9232","url":null,"abstract":"<p><strong>Purpose: </strong>To compare condylar path elements (CPEs) in edentulous patients using fully adjustable (FA) and semiadjustable (MS) digital articulators.</p><p><strong>Materials and methods: </strong>A total of 10 patients with at least one edentulous arch were included. Arch relation records were digitally set in the articulators using two approaches: The MS group employed standard mean occlusal parameter values, while the FA group used individual values obtained using a digital arch motion-tracking device. Differences in CPEs, represented as Δ-values, were statistically analyzed using nonparametric Wilcoxon signed-rank test and post-hoc Tukey test. These analyses evaluated overall differences between FA and MS articulators, identified the regions with the greatest Δ-errors, and determined the percentage of movement required for statistical significance.</p><p><strong>Results: </strong>CPEs differed significantly between MS and FA articulators. Significant variations were observed in individual CPEs (P < .001), with motion percentage significantly influencing Δ-values (P < .001). Notably, within the first 20% of CPE MS pathways, significant differences were found within the initial 2 mm of movement, a critical range for prosthetic rehabilitation.</p><p><strong>Conclusions: </strong>This study highlights statistically significant differences in CPEs between MS and FA digital articulators, particularly within the initial 2 mm of movement. These findings underscore the importance of precise CPE replication for occlusal design of complete dentures.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"518-529"},"PeriodicalIF":1.8,"publicationDate":"2025-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144050994","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 Effects of Gastric Acid Exposure on the Surface, Color, and Mechanical Properties of Dental Ceramics: An In Vitro Study.","authors":"Yeliz Hayran, Işıl Sarıkaya, Süha Kuşcu","doi":"10.11607/ijp.9474","DOIUrl":"https://doi.org/10.11607/ijp.9474","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the impact of gastric acid exposure on the surface roughness (Ra), color change (ΔE), and biaxial flexural strength (BFS) of lithium disilicate (IPS), zirconia-reinforced lithium silicate (VS), and feldspathic (VM) ceramics, simulating the conditions in patients with eating disorders (EDs).</p><p><strong>Methods: </strong>CAD-CAM blocks were sectioned into 1.2mm disks, sequentially polished, and heat-treated. Hydrochloric (HCl) solution (pH 1.2) was prepared to simulate gastric acid (SGA), and specimens were immersed at 37°C for 18h 25 min. Ra was measured with a profilometer, ΔE with a digital spectrophotometer. BFS testing was performed. Data were analyzed with SPSS17. Normality was assessed with the Shapiro-Wilk test. For non-normally distributed data, Mann-Whitney U was used for independent groups, Wilcoxon signed-rank for paired data, and Kruskal-Wallis with Dunn's post-hoc for multiple comparisons (p<0.050).</p><p><strong>Results: </strong>All ceramics showed a significant decrease in Ra after SGA exposure (p=0.002). VM exhibited the highest Ra before and after exposure; VS and IPS did not differ significantly. BFS significantly decreased in VS (p=0.029), while reductions in VM and IPS were not significant. ΔE00 values differed among groups (p=0.046), but no pairwise differences were found. All ΔE00 values remained below the clinical acceptability threshold (2.25).</p><p><strong>Conclusions: </strong>This study found that SGA exposure, simulating the conditions in ED patients, affected the surface roughness, color, and BFS of ceramics. SGA reduced the Ra of all ceramic groups and did not cause clinically unacceptable ΔE. Although acid exposure decreased BFS, the ceramics maintained sufficient strength for clinical use.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-23"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145077009","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":"Effect Of Sintering Temperature on the Microstructural Characterization of Conventional and Translucent Monolithic Zirconia, with and Without Hydrothermal Degradation.","authors":"Juliana Lujan Brunetto, Aldiéris Alves Pesqueira, Rodrigo Antonio de Medeiros, Valentim Adelino Ricardo Barão, Daniela Micheline Dos Santos, Roberta Cristina Costa Guimarães, Marcelo Coelho Goiato","doi":"10.11607/ijp.9487","DOIUrl":"https://doi.org/10.11607/ijp.9487","url":null,"abstract":"<p><p>Zirconia polycrystals are widely used as dental restorative materials due to their excellent mechanical performance. However, their intrinsic opacity has traditionally restricted their use to substructures in prosthetic restorations, limiting aesthetic applications. Recent advances in manufacturing technology have enabled faster sintering cycles through elevated temperatures, potentially enhancing clinical efficiency without compromising material integrity.</p><p><strong>Purpose: </strong>This study aimed to assess the mechanical, physicochemical, and optical properties of two types of monolithic zirconia-conventional and translucent-subjected to varying sintering durations, surface treatments, and hydrothermal aging conditions.</p><p><strong>Material and methods: </strong>A total of 320 specimens, produced in two thicknesses, were divided according to zirconia type and allocated across different experimental groups based on sintering time, polishing protocol (with or without glazing), and evaluation period (before and after aging).</p><p><strong>Results: </strong>Translucent zirconia demonstrated slightly greater surface roughness (Ra = 0.62 ± 0.04 µm) compared to conventional zirconia (Ra = 0.52 ± 0.03 µm; p < 0.05). The highest microhardness values were observed in the ZCSC and ZCSR groups (≈1350 VHN), significantly surpassing those of translucent zirconia with conventional sintering (ZTSC) (p < 0.05). Surface free energy was also higher in ZCSC and ZCSR, particularly in specimens that were neither chemically polished nor aged. Glazing treatment led to a reduction in specimen dimensions and flexural strength in translucent zirconia. Fractographic analysis revealed compression curl features on the tensile side, indicating stress-induced crack propagation consistent with three-point bending.</p><p><strong>Conclusions: </strong>The mechanical and optical behavior of zirconia was significantly affected by sintering parameters and hydrothermal aging. These factors should be carefully considered during material selection and fabrication to optimize clinical outcomes.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-25"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145077044","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":"Impact of Different Universal Adhesives on Shear Bond Strength in Composite Repairs to Different CAD/CAM Silicate Ceramics - An In Vitro Study.","authors":"Malin Janson, Nicolai Geebelen, Christoph Matthias Schoppmeier, Anja Liebermann","doi":"10.11607/ijp.9507","DOIUrl":"https://doi.org/10.11607/ijp.9507","url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated the influence of various universal adhesives (UA's) on the shear bond strength (SBS) of composite repairs to different CAD/CAM-fabricated silicate ceramics and compared silane-containing versus non-silane-containing UA's.</p><p><strong>Material and methods: </strong>270 rectangular specimens from three CAD/CAM ceramics types CTS (Cerec Tessera HT), IEC (IPS Empress CAD LT), and IXC (IPS e.max CAD LT) were bonded with composite resin (Ceram.x Spectra ST Flow) using UA's: PBA (Prime&Bond Active), CUB (Clearfil Universal Bond Quick), MBP (Monobond Plus), SBU (Scotchbond Universal), IBU (iBond Universal) and SBP (Scotchbond Universal Plus). Before SBS testing (MPa) specimens were thermally aged in distilled water (7 days, 37°C; 5000 cycles 5-55°C). Representative SEM images were analyzed for failure modes. Data were evaluated using the Kruskal-Wallis test with Dunn's correction (α < 0.05).</p><p><strong>Results: </strong>Significant SBS differences were observed across ceramics and UA's. IEC showed the highest SBS values, particularly with CUB (27.09 ± 3.75 MPa) and MBP (24.61 ± 6.36 MPa). Lowest values occurred with IXC + IBU (2.64 ± 3.74 MPa), CTS + SBP (2.05 ± 2.57 MPa), IXC + SBU (0.73 ± 0.56 MPa), and CTS + SBU (0.24 ± 0.53 MPa). IEC differed significantly from CTS and IXC (p < 0.001). Cohesive failures predominated in IEC, whereas IXC and CTS exhibited adhesive failures.</p><p><strong>Conclusions: </strong>UA type, ceramic, and microstructure significantly impact SBS in composite repairs. The selection of UA should be adapted to the type of silicate ceramic to be repaired. In this study, the UA CUB yielded the best results across all ceramic types.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-22"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076998","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 Novel Assessment Workflow of Implant Accuracy by Means of Stackable Guides: A Case Series.","authors":"Mario Beretta, Matteo Pellegrini, Mattia Manfredini, Alberto Pispero, Franco Sanseverino, Carlo Maiorana, Pier Paolo Poli","doi":"10.11607/ijp.9306","DOIUrl":"https://doi.org/10.11607/ijp.9306","url":null,"abstract":"<p><strong>Purpose: </strong>This study aims to assess the accuracy of one-piece implant placement using stackable surgical guides by means of a novel stent defined as 'number guide' screwed onto the fixed base template in order to improve the intra-surgical registration of the scan bodies.</p><p><strong>Material and methods: </strong>A digital workflow was used for one-piece implant planning and placement. Participants were selected based on specific criteria, and stackable guides were used for fully guided implant placement with immediate provisional loading. The accuracy of implant placement was assessed by comparing pre- and post-intervention data registered with the aid of the number guide.</p><p><strong>Results: </strong>Ten participants were treated with forty-seven one-piece implants placed in the maxilla and mandible. All implants achieved adequate primary stability, allowing immediate loading. Accuracy was measured by linear and angular deviations, showing greater precision in the mandible. Implant characteristics yielded statistically significant differences in terms of accuracy.</p><p><strong>Conclusions: </strong>Fully guided digital workflow ensured precise implant placement and immediate provisional loading. The additional use of the number guide allowed effective accuracy assessments of the system in terms of linear and angular deviations, highlighting its potential to assess post-operative implant placement.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-28"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076951","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":"Impact of Peracetic Acid and Cetylpyridinium Chloride Disinfection on Removable Partial Denture Materials.","authors":"Carolina Alves Freiria de Oliveira, Ana Paula Macedo, Viviane de Cássia Oliveira, Leonardo Guedes Silva de Moraes, Bruna Santos, Honório Tonin, Rodrigo Galo, Valéria Oliveira Pagnano","doi":"10.11607/ijp.9470","DOIUrl":"10.11607/ijp.9470","url":null,"abstract":"<p><strong>Purpose: </strong>This in vitro study evaluated the effects of peracetic acid (PA, 0.25 mg/mL) and cetylpyridinium chloride (CPC, 0.5 mg/mL) solutions on the surfaces of heat-polymerized acrylic resin and cobalt-chromium alloy (Co-Cr).</p><p><strong>Materials and methods: </strong>Heat-7 polymerized acrylic resin specimens, 90 (_ᴓ1_4_ _× _3_ _m_m_)_,_ _7_0_ _(65 × 10 × 3.3 mm), and 78 Co-Cr (_ᴓ1_2_ _× _3_ _m_m_)_ _underwent daily 10-minute immersions for periods simulating roughly 3 years (8-23 days) or 5 years (13-38 days) in: distilled water (8/13 days), CPC 10 (23/38 days), or PA (8/13 days). Evaluated parameters for acrylic resin included: surface 11 r_o_u_g_h_n_e_s_s_ _(_R_a_,_ _μm_)_,_ _Knoop Hardness (HK, kgf/mm²), c_o_l_o_r_ _c_h_a_n_g_e_ _(_ΔE_)_,_ _a_n_d_ _f_l_e_x_u_r_a_l_ _strength (MPa). For Co-Cr, were assessed: Ra, gloss change (ΔGU), and chemical degradation and surface topography using a scanning electron microscope (SEM). Data were analyzed by ANOVA, Wald Test, and Kruskal-W_a_l_l_i_s_ _f_o_l_l_o_w_e_d_ _b_y_ _D_u_n_n_'_s_ _t_e_s_t_ _(_α _=_ _0.05).</p><p><strong>Results: </strong>PA enhanced resin flexural strength. CPC induced minor resin discoloration post 3 years (p=0.015). For Co-Cr, after 5 years, roughness values rose significantly in both CPC and PA immersions, PA also enhanced corrosion resistance through the formation of a more stable passivation layer.</p><p><strong>Conclusion: </strong>PA proved promising as a disinfectant for removable partial denture, suggesting a new clinical application due to its high oxidative potential. PA prosthesis disinfection in laboratories is recommended, considering positive impact on preserving mechanical properties and preventing metal alloy corrosion.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-21"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076985","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":"Esthetic And Functional Restoration of a Young Adult Patient After a Traumatic Injury, Using a Prosthodontics-Centered Multidisciplinary Approach: A Clinical Report.","authors":"Manousos Pissadakis, Athanasios Stratos, Savvas Kamalakidis, Athina Niakou, Louiza Papantonatou, Spyridon Kouris, Konstantinos Michalakis","doi":"10.11607/ijp.9473","DOIUrl":"https://doi.org/10.11607/ijp.9473","url":null,"abstract":"<p><p>Traumatic dental injuries are common in young patients and most often affect the maxillary anterior region, leading to complex aesthetic and functional challenges. This clinical report describes the comprehensive rehabilitation of a 17-year-old male who presented with severe trauma to the maxillary central incisors. Clinical and radiographic examinations revealed extensive tooth structure loss, short clinical crowns, diastemas and excessive gingival display. A prosthodontics-centered multidisciplinary approach was implemented, involving endodontic retreatment, orthodontic therapy, aesthetic crown lengthening, guided implant placement and definitive prosthetic restorations. Digital tools, including CBCT, intraoral scanning, and smile design software, aided diagnosis, planning and patient treatment. After orthodontic treatment and surgical crown lengthening to optimize teeth position and soft and hard tissue architecture, two dental implants were placed using a fully guided protocol. The definitive restorations included implant retained screw-retained zirconia crowns for the maxillary central incisors and lithium disilicate veneers for the maxillary adjacent teeth. The treatment sequence addressed patient's biological, functional and aesthetic concerns. This clinical report underscores the significance of diagnostics, multidisciplinary collaboration and correct treatment planning in achieving optimal long-term results for young patients with highly complex treatment needs, such as anterior dental trauma.</p>","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"1-19"},"PeriodicalIF":1.8,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145077023","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}