The International journal of prosthodontics最新文献_第2页

Fixed Prosthetic Rehabilitation with Full Digital Workflow Based on Jaw Kinematics Recording: A Case Series. 基于下颌运动记录的全数字化工作流程的固定假体康复。病例系列。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.2024

Mauro Merli, Luca Aquilanti, Umberto Pagliaro, Giorgia Mariotti, Marco Merli, Michele Nieri, Giorgio Rappelli

{"title":"Fixed Prosthetic Rehabilitation with Full Digital Workflow Based on Jaw Kinematics Recording: A Case Series.","authors":"Mauro Merli, Luca Aquilanti, Umberto Pagliaro, Giorgia Mariotti, Marco Merli, Michele Nieri, Giorgio Rappelli","doi":"10.11607/ijp.2024","DOIUrl":"10.11607/ijp.2024","url":null,"abstract":"Purpose: To evaluate the impact of a full digital workflow on the restoration of masticatory function and esthetic features in subjects rehabilitated with a fixed prosthesis.Materials and methods: The study involved 12 adult participants in need of complex rehabilitation due to masticatory dysfunction. They underwent a comprehensive diagnostic examination involving intraoral scans, facial 3D-photos, jaw kinematics recording, and CBCT extended to the temporomandibular joint (TMJ). The subjects were consecutively treated with a fixed prosthesis following surgical and implant therapy using a full digital individualized workflow. Three different study moments were set: diagnostic phase (T0), 1 week after the delivery of the prototype (T1), and 1 week after the delivery of the final prosthetic solution (T2).Results: Jaw kinematics recording showed a widening of movements at T2 compared to T0. Sagittal movements increased by 5.7 ± 6.4 mm (95% CI from 1.7 to 9.8, P = .010), frontal movements increased by 7.2 ± 5.6 mm (95% CI from 3.6 to 10.8, P = .001), and horizontal movements increased by 1.7 ± 4.5 mm (95% CI from -1.1 to 4.6, P = .210). Occlusal adjustment timing at T1 was 350 ± 175 seconds, while at T2 it was 677 ± 286 seconds. At T2, functional visual analog scale (VAS) was 9.4 ± 0.4 while esthetic VAS was 9.3 ± 0.4.Conclusions: The rehabilitation process using the full digital workflow showed a widening of the sagittal and frontal masticatory movements with short occlusal adjustment time and with functional and esthetic satisfaction by all the subjects.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"165-174"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524038","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}

引用次数: 0

Immediate Loading of Three-Unit Posterior Fixed Dental Prostheses on Three vs Two Implants: Comparison and Evaluation with up to 10-Year Follow-up. 在 3 颗种植体和 2 颗种植体上即刻安装 3 单元后固定义齿，对比并评估长达 10 年的随访。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8972

Francesco Amato, Giorgio A Spedicato

{"title":"Immediate Loading of Three-Unit Posterior Fixed Dental Prostheses on Three vs Two Implants: Comparison and Evaluation with up to 10-Year Follow-up.","authors":"Francesco Amato, Giorgio A Spedicato","doi":"10.11607/ijp.8972","DOIUrl":"10.11607/ijp.8972","url":null,"abstract":"Purpose: To evaluate and compare the implant survival rate, marginal bone levels, and prosthesis failure rate of a three-unit fixed dental prosthesis (FDP) supported with three or two implants immediately loaded in the posterior area.Materials and methods: Partially edentulous patients in need of a three-unit implant-supported FDP in the maxillary/mandibular posterior region were recruited and randomly split into two groups: a control group with three-unit FDPs supported by three implants (3I group), and a test group with three-unit FDPs supported by two implants (2I group). Implants were inserted and immediately loaded with a temporary FDP.Results: In total, 63 patients were included in the study. A total of 178 implants were placed and immediately loaded (128 maxillary and 50 mandibular) to support 74 immediate provisional fixed prostheses (52 maxillary and 22 mandibular) delivered on the same day of implant placement: 30 in 3I group and 44 in 2I group. The comparison of three vs two implants resulted in comparable implant survival rates, marginal bone loss (MBL), and prosthesis failure rates. All implants healed uneventfully with no adverse clinical and radiographic signs or symptoms except for one implant failure in the 3I group resulting in a cumulative success rate of 99.5%-98.9% for the 3I group and 100% for the 2I group-with a follow-up of 6 to 10 years (mean: 7 years). Once loaded, the implants remained in function from a minimum of 6 years to 10 years.Conclusions: Although more studies and larger sample sizes are needed to validate this study, the results showed no difference between the two groups, demonstrating the potential viability of both clinical options.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"175-184"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140960999","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}

引用次数: 0

Effect of Model Resin and Shaft Taper on the Trueness and Fit of Additively Manufactured Removable Dies in Narrow Ridge Casts. 模型树脂和轴锥度对窄脊模型中添加式制造可拆卸模具的真实性和匹配性的影响。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8785

Gülce Çakmak, Steven Cetin, Mustafa Borga Dönmez, Manrique Fonseca, Çiğdem Kahveci, Francisco X Azpiazu-Flores, Martin Schimmel, Burak Yilmaz

{"title":"Effect of Model Resin and Shaft Taper on the Trueness and Fit of Additively Manufactured Removable Dies in Narrow Ridge Casts.","authors":"Gülce Çakmak, Steven Cetin, Mustafa Borga Dönmez, Manrique Fonseca, Çiğdem Kahveci, Francisco X Azpiazu-Flores, Martin Schimmel, Burak Yilmaz","doi":"10.11607/ijp.8785","DOIUrl":"10.11607/ijp.8785","url":null,"abstract":"Purpose: To evaluate how model resin and shaft taper affect the trueness and fit of additively manufactured removable dies in narrow ridge casts.Materials and methods: A typodont model with a prepared mandibular molar was scanned to design virtual dies with different shaft tapers (0-degree [straight], 5-degree tapered, and 10-degree tapered). In total, 15 dies and one hollowed cast per taper were additively manufactured from two resins (G PRINT 3D Model [GP] and DentaMODEL [DM]). Dies and casts were digitized to evaluate their trueness (root mean square [RMS]). The fit of the dies was evaluated with crown portion's RMS when seated in the cast and with distance deviations. Kruskal-Wallis and Mann-Whitney U tests were used to analyze data (α =.05).Results: GP dies had lower overall, root, and base RMS, while DM dies had lower crown RMS (P ≤ .016). Straight dies had the highest overall, root, and base RMS within GP (P ≤ .030). The 10-degree dies had the lowest overall and base RMS, lower crown RMS than straight dies, and lower root RMS than 5-degree dies within DM (P ≤ .047). When the dies were seated, GP had lower crown portion RMS within 5- and 10 degree dies, and 5-degree dies had the highest RMS within DM (P ≤ .003). GP had smaller distance deviations within 5- and 10-degree dies. The 5-degree dies had the largest deviations within DM (P ≤ .049).Conclusions: GP dies mostly had higher trueness and better fit. Straight dies mostly had lower trueness within GP, and 10-degree taper mostly led to higher trueness within DM. The shaft taper affected the fit of DM dies.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"247-256"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140899007","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}

引用次数: 0

Replacement Implant-Retained Ear Prosthesis Using a Semidigital Workflow: A Case Report. 使用半数字化工作流程更换植入物固定的耳假体：病例报告。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.9021

Ceyda Başak İnal, Umut Berk Can Ayten, Seçil Karakoca Nemli

引用次数: 0

Color Stability of Pressed Lithium-Disilicate Ceramics Under Repeated Firings Evaluated by Different Methods. 用不同方法评估压制二硅酸锂陶瓷在反复烧制过程中的颜色稳定性。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8953

Abdullah Alnahdi, Yuwei Fan, Konstantinos Michalakis, Russell Giordano

{"title":"Color Stability of Pressed Lithium-Disilicate Ceramics Under Repeated Firings Evaluated by Different Methods.","authors":"Abdullah Alnahdi, Yuwei Fan, Konstantinos Michalakis, Russell Giordano","doi":"10.11607/ijp.8953","DOIUrl":"10.11607/ijp.8953","url":null,"abstract":"Purpose: To determine and compare color differences of pressed lithium-disilicate ceramic specimens after repeated firing cycles. Another objective was to determine and evaluate the correlation of CIEDE2000 values analyzed using X-Rite Color i5 spectrophotometer, VITA EasyShade Advance 4.0, and Adobe Photoshop.Materials and methods: Tile specimens (n = 36) with 8 × 10 × 1.5 mm dimensions were prepared using lithium-disilicate monochromatic ingots (IPS e.max Press MT, Ivoclar) and lithium-disilicate multichromatic ingots (IPS e.max Multi Press, Ivoclar). Specimens were exposed to seven repeated firing cycles. Color analysis was performed after the first, second, third, fifth, and seventh firing cycles. CIE L*a*b* values were measured with Color i5 spectrophotometer, EasyShade, and Photoshop. CIE DE*2000 (ΔE*00) was calculated to estimate color differences.Results: Linear regression and multiple comparison analysis (Tukey HSD test) showed a statistically significant (P < .001) color difference ΔE*00 after multiple firing cycles. Statistically significant differences (P < .05) were also noted in different shade groups and between different instruments used for shade evaluation. Moreover, significant differences (P < .05) were found in interactive effects between different shades tested using different instruments, different shades tested after multiple firing cycles, and different instruments after multiple firing cycles.Conclusions: Lithium-disilicate material shows significant color differences after repeated firing cycles tested with three color analysis instruments. However, those differences are considered clinically acceptable. Measuring instruments used to evaluate CIE L*a*b* color values showed significant differences in color values analysis. Nevertheless, those differences are within the human perceptible tolerance threshold.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"214-223"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140112559","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}

引用次数: 0

Frequency of Locator Legacy Insert Changes with Implant Overdentures in a UK Population. 英国人口中种植体覆盖义齿的定位器遗留嵌入件变化频率。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8778

Jack McSweeney, David W Bartlett, Sachin Varma

{"title":"Frequency of Locator Legacy Insert Changes with Implant Overdentures in a UK Population.","authors":"Jack McSweeney, David W Bartlett, Sachin Varma","doi":"10.11607/ijp.8778","DOIUrl":"10.11607/ijp.8778","url":null,"abstract":"Purpose: To determine the frequency of insert changes for combined maxillary and mandibular implant overdentures (IODs) using the Locator Legacy system and to assess the survival of dental implants with IODs.Materials and methods: This retrospective audit reviewed clinical records with up to 12 years of follow-up from 785 patients who received IODs using the Locator system at a dental hospital. In total, 151 had a combined maxillary IOD opposed by a mandibular IOD and of those, 37 had data retrieved using a minimum data set. The frequency of insert change was recorded and descriptive analysis was provided by means and SDs for continuous variables. Frequencies of categorical values were reported as percentages.Results: In total, 222 implants were placed in 21 men and 16 women with a mean age of 67.5 years (SD 8.8). All patients were reviewed at least once. Maxillary and mandibular IODs experienced 1.9 (SD 2.0) and 1.2 (SD 1.2) mean insert changes per patient, respectively. The mean time (SD) between initial and first insert change for maxillary and mandibular IODs was 3.4 months (SD 3.2) and 6.4 months (SD 7.2) and between the first and second insert change was 9.9 months (SD 9.0) and 10.0 months (SD 8.3), respectively. Implant failure was 21.6% and 2.7% in the maxilla and mandible, respectively.Conclusions: Clinicians should anticipate the first insert change around 3 months for maxillary IODs and 6 months for mandibular IODs. Subsequently, the second insert change should be expected around 10 months for both maxillary and mandibular IODs.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"191-195"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140103067","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}

引用次数: 0

A Case-Control, Split-Mouth Study Comparing Maximum Occlusal Forces in Endodontically Treated Teeth and Vital Counterparts. 牙髓治疗过的牙齿与正常牙齿最大咬合力比较的病例对照分口研究

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8849

Mohd Khairul Firdaus Mazlan, Melati Mahmud, Rohana Ahmad, Tong Wah Lim

{"title":"A Case-Control, Split-Mouth Study Comparing Maximum Occlusal Forces in Endodontically Treated Teeth and Vital Counterparts.","authors":"Mohd Khairul Firdaus Mazlan, Melati Mahmud, Rohana Ahmad, Tong Wah Lim","doi":"10.11607/ijp.8849","DOIUrl":"10.11607/ijp.8849","url":null,"abstract":"Purpose: To compare the maximum occlusal force (MOF) in endodontically treated teeth (ETT) and their vital contralateral counterparts and to evaluate the intraoral factors affecting them.Materials and methods: A total of 30 adult participants presenting with an endodontically treated tooth and its vital contralateral counterpart were recruited for this split-mouth study. MOFs were measured using a wireless sensor network occlusal force recorder, and the mean MOF of ETT was compared to that of their vital contralateral counterparts. Multiple-factor ANOVA was used to examine the association between various clinical factors and MOF.Results: The mean MOF for ETT was significantly higher than their vital counterparts (215.44 ± 74.11 N and 202.40 ± 70.67 N, respectively; P < .001). Among the clinical factors, the MOFs were significantly influenced by the location of teeth (P < .01) and the crown-root ratio (P = .01). Upon further analysis of ETT and control teeth, the location of teeth was identified as the sole factor associated with MOF, with P < .05.Conclusions: The MOFs for ETT were statistically significantly higher than those of their corresponding vital contralateral teeth.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"157-164"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142524036","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}

引用次数: 0

Postoperative Rehabilitation with a CAD/CAM- Fabricated Occlusal Splint Following Plate Reconstruction After Hemimandibulectomy and Condylectomy: A Case Report. 半月板和髁状突切除术后使用 CAD/CAM 制造的咬合夹板进行术后康复：病例报告。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8904

Ryo Tagaino, Naoko Sato, Nobuhiro Yoda, Shigeto Koyama, Hiroshi Egusa

引用次数: 0

To Preserve or Extract? A Scoping Review and a Prognostic Decision Tool Using Multispecialty Indicators. 保存还是提取？使用多专科指标的范围综述和预后决策工具。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.9068

Reem Al Shaltoni, Batool Alsulaimani, Sunporn Namano, Reem Alsaleh, Luis Del Castillo, Hiroshi Hirayama, Konstantinos Michalakis

{"title":"To Preserve or Extract? A Scoping Review and a Prognostic Decision Tool Using Multispecialty Indicators.","authors":"Reem Al Shaltoni, Batool Alsulaimani, Sunporn Namano, Reem Alsaleh, Luis Del Castillo, Hiroshi Hirayama, Konstantinos Michalakis","doi":"10.11607/ijp.9068","DOIUrl":"10.11607/ijp.9068","url":null,"abstract":"Because implant-supported restorations have become very popular, there is a tendency to extract teeth and replace them with implants. However, the first goal of dentistry should always be the preservation of natural teeth, given the prerequisite that these can be maintained with the application of appropriate treatment modalities. Therefore, individual tooth risk assessment and prognosis are very important for the treatment planning process. Four important factors influencing the dentist's decision on whether to save or extract a compromised tooth have been identified, and an extensive search of the related English language literature has been performed. Additionally, a hand search in related journals was implemented, and classic textbooks were consulted. Identified articles on patient-related, periodontal, endodontic, and restorative factors were thoroughly analyzed, focusing on diagnosis and tooth prognosis. A total of 52 references were carefully selected and reviewed. Available information was used to develop a color-coded prognostic decision chart with four different factors and up to 14 crucial parameters. All factors and parameters were analyzed in an effort to help the restorative dentist make a prognostic decision. The proposed color-coded prognostic decision chart can be helpful when a treatment plan is made and predictable restorative care is planned. This comprehensive prognostic decision chart can aid dentists in providing clinical care of high quality and in establishing a consensus on available restorative options. It can additionally help to establish appropriate communication with patients and third-party individuals in the restorative care process, effectively manage risk factors, and provide a framework for quality assessment in restorative treatment.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"235-246"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141289087","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}

引用次数: 0

Occlusal Veneers and Load-Bearing Capacity of a Restored Tooth. 咬合贴面和修复后牙齿的承重能力。

The International journal of prosthodontics Pub Date : 2025-03-20 DOI: 10.11607/ijp.8906

Topias Yli-Urpo, Lippo Lassila, Timo Närhi, Pekka Vallittu

{"title":"Occlusal Veneers and Load-Bearing Capacity of a Restored Tooth.","authors":"Topias Yli-Urpo, Lippo Lassila, Timo Närhi, Pekka Vallittu","doi":"10.11607/ijp.8906","DOIUrl":"10.11607/ijp.8906","url":null,"abstract":"Purpose: To evaluate the influence of restoration bonding and preparation type on the load bearing capacity of a tooth restored with an indirect glass-ceramic or hybrid-ceramic occlusal veneer restoration.Materials and methods: Occlusal surfaces of extracted human molar teeth were prepared for indirect occlusal veneers with or without circumferential chamfer. The occlusal veneers were milled either from CAD/CAM hybrid- ceramic (HC; Cerasmart, GC Dental), or lithium-disilicate glass-ceramic (LDGC; IPS e.max CAD, Ivoclar) blocks. Finalized veneers were bonded to teeth following manufacturers' instructions or according to the technique for the intended deteriorated bonding using n-hexane wax solution preconditioning on restorations (n = 8/group). The ultimate fracture load was recorded, and fracture types were analyzed and classified visually. Statistical analysis was performed using one-way ANOVA.Results: The highest fracture load was recorded in teeth with bonded LDGC veneer (P ≤ .0007). The bonded HC veneers had only a marginally higher fracture load compared to nonbonded veneers. In all groups with deteriorated bonding, veneers loosened without tooth fracture, whereas in the bonded veneer groups tooth fractures were observed, especially in teeth restored with LDGC material.Conclusions: Bonded LDGC occlusal veneers have high load-bearing capacity that exceeds the fracture resistance of tooth structure. Circumferential chamfer preparation for an occlusal veneer has no influence on fracture load of a restored tooth.","PeriodicalId":94232,"journal":{"name":"The International journal of prosthodontics","volume":"0 0","pages":"206-213"},"PeriodicalIF":0.0,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140112561","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}

引用次数: 0