Journal of prosthodontic research最新文献

{"title":"Evaluation of mechanical and thermal stress in an endodontically treated cracked premolar with three restorative designs: 3D-finite element analysis.","authors":"Hongzhe Fang, Peipei Wu, Cheng Qian, Yifan Gu, Lu Yu, Sheng Fang, Kailun Chen, Anna Qiu, Hongjie Huang, Qi Chen, Rui He","doi":"10.2186/jpr.JPR_D_24_00098","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00098","url":null,"abstract":"<p><strong>Purpose: </strong>We aimed to analyze the influence of different designs (inlay, onlay, and crown) on stress distribution and crack propagation in an endodontically treated cracked premolar.</p><p><strong>Methods: </strong>Three-dimensional (3D) finite element analysis (FEA) was employed to model an endodontically treated cracked premolar with three different restorations (inlay, onlay, and crown). Six types of loadings (vertical loading of 600 N; hot thermal-600 N vertical coupling loading; cold thermal-600 N vertical coupling loading; oblique loading of 200 N; hot thermal-200 N oblique coupling loading; cold thermal-200 N oblique coupling loading) were applied to simulate the hot and cold food/beverages intake. The Von-Mises Stress (VMS) on the lower margin of the crack surface was measured at 20 points in each model, and the position of the stress concentration on the crack surface was analyzed.</p><p><strong>Results: </strong>All three restoration types effectively improved stress distribution. The influence of different restorative modalities on the stress distribution at the crack tip exhibited different trends under different loading conditions. Lateral loading and/or hot thermal cycling increased the intensity of VMS, and crown restoration exhibited the highest stress concentration at the crack tip under lateral loading and hot thermal cycling.</p><p><strong>Conclusions: </strong>From a mechanical perspective, the outcome of this study suggested that a full crown restoration is not the optimal choice for preventing further crack propagation. Additionally, it is recommended to reduce the consumption of excessively hot foods and beverages daily.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the bond strength of short fiber composites to dentin using various air abrasion particles.","authors":"Ece Ucar Başol, Isil Cekic-Nagas, Sufyan Garoushi, Emre Nagas, Pekka Kalevi Vallittu, Lippo Veli Juhana Lassila","doi":"10.2186/jpr.JPR_D_24_00159","DOIUrl":"10.2186/jpr.JPR_D_24_00159","url":null,"abstract":"<p><strong>Purpose: </strong>This study investigated the bond strength between short fiber-reinforced resin composite (SFC) and dentin following air abrasion with various types of abrasive particles.</p><p><strong>Methods: </strong>A total of 120 human molars were prepared for a shear bond strength (SBS) test of the resin composite. The teeth were divided into 12 groups (n = 10/group) based on the air abrasion particle used. Half of the groups underwent phosphoric acid etching (10 s) prior to air abrasion, while the other half received no pretreatment. Air abrasion was performed using five types of particles, after which a two-part adhesive (G2 Bond) and SFC were applied on the treated surfaces. The SBS test was performed using a universal testing machine at a crosshead speed of 1.0 mm/min until failure. Two additional specimens from each group were prepared to evaluate the air abraded surface using scanning electron microscopy after being stored in simulated body fluid (SBF) for two weeks. Statistical analysis was performed using two-way analysis of variance and the Tukey test (α = 0.05).</p><p><strong>Results: </strong>The highest SBS values were observed in the control group (18.9 MPa), which did not undergo air abrasion. The use of different air abrasion particles affected the SBS of SFC to dentin (P < 0.05), as air abrasion with jet sand in the absence of pre-etching differed significantly from the other Cojet group (P < 0.05).</p><p><strong>Conclusions: </strong>Air abrasion with various particles did not improve the bond strength between the SFC and dentin.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950532","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A novel virtual reality blowgun game for rehabilitation of older adults: A preliminary case series.","authors":"Shohei Hasegawa, Kohei Yamaguchi, Ayane Horike, Ryota Kanai, Yoshiko Hara, Tomoya Sasaki, Atsuko Miyazaki, Atsushi Hiyama, Haruka Tohara","doi":"10.2186/jpr.JPR_D_24_00160","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00160","url":null,"abstract":"<p><strong>Patients: </strong>Three residents of a long-term care home volunteered to participate in a rehabilitation program involving a virtual reality blowgun game. The participants played the game 5 days a week as a new exercise routine. After 4 weeks of intervention, tongue pressure and forced expiratory volume in 1 s improved in all participants. In addition, the jaw-opening force and forced expiratory volume in 6 s improved in two participants. All three participants rated the virtual reality blowgun game as more enjoyable than their regular rehabilitation programs.</p><p><strong>Discussion: </strong>Previous studies have shown that gamification can be useful in dysphagia rehabilitation. However, there are no previous reports describing the use of virtual reality in rehabilitation programs aimed at improving swallowing and respiratory functions in older adults while investigating participant motivation. The outcomes of the cases described herein suggest that such programs can be as effective as conventional expiratory training. Furthermore, gamification can enhance enjoyment, even in exercises designed to improve physical function.</p><p><strong>Conclusions: </strong>These cases indicate that the virtual reality blowgun game may effectively improve swallowing and respiratory functions in older adults while being enjoyable.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142950531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association between decreased occlusal support and diabetes mellitus diagnosed by the oral glucose tolerance test with and without periodontal disease: The Suita Study.","authors":"Takayuki Kosaka, Yoko Yoshimuta, Yoshihiro Kokubo, Momoyo Kida, Yoshinobu Maeda, Kazunori Ikebe, Takahiro Ono","doi":"10.2186/jpr.JPR_D_24_00147","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00147","url":null,"abstract":"<p><strong>Purpose: </strong>Several studies have reported a close association between periodontal disease (PD) and diabetes mellitus (DM). In addition, the decline in masticatory function due to decreased occlusal support may worsen DM due to poor nutritional intake. We aimed to elucidate the relationship between PD, decreased occlusal support, and DM.</p><p><strong>Methods: </strong>We surveyed 968 participants (411 men and 557 women) aged 50-79 years in the Suita study. An oral glucose tolerance test was performed with 75 g glucose, and fasting and 2 h post-challenge plasma glucose levels were measured. The participants were classified into following four groups: normal glucose tolerance, impaired fasting glucose (IFG), impaired glucose tolerance (IGT), and DM. Occlusal support was evaluated by the Eichner Index. PD was assessed using the Community Periodontal Index, and participants were classified into two groups: without PD and with PD. Logistic regression analysis was performed using the incidence of IFG, IGT, and DM as objective variables in the without PD and PD groups.</p><p><strong>Results: </strong>In the without PD group, body mass index (BMI) was significantly associated with IFG, IGT, and DM, and a history of hypertension was significantly associated with DM. In the PD group, male sex and BMI were significantly associated with IGT and DM, a history of hypertension was significantly associated with DM, and decreased occlusal support was significantly associated with IGT and DM.</p><p><strong>Conclusions: </strong>Decreased occlusal support was associated with DM in patients with PD.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Enhanced vertical bone augmentation in rat parietal bone using hydroxyapatite-coated polytetrafluoroethylene domes with Erbium Yttrium Aluminum Garnet pulsed laser deposition.","authors":"Takeryo Adachi, Ken-Ichiro Yasui, Aki Nishiura, Jun-Ichiro Jo, Shigeki Hontsu, Yoshiya Hashimoto, Naoyuki Matsumoto","doi":"10.2186/jpr.JPR_D_24_00201","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00201","url":null,"abstract":"<p><strong>Purpose: </strong>To perform vertical bone augmentation on rat parietal bone by coating the inner surface of dense polytetrafluoroethylene (d-PTFE) domes with hydroxyapatite (HA) using Erbium Yttrium Aluminum Garnet (Er:YAG) pulsed laser deposition in a rat model.</p><p><strong>Methods: </strong>The d-PTFE plate surface, α-tricalcium phosphate (α-TCP) coating, and HA coating were measured using scanning electron microscopy and X-ray diffraction to confirm the replacement of α-TCP with HA via high-pressure steam sterilization. The dome was glued to the center of the rat parietal bone and closed with periosteal and epithelial sutures. The rats were euthanized at 4, 8, and 12 weeks postoperatively, and the d-PTFE dome and surrounding tissues were harvested for radiological and histological evaluation.</p><p><strong>Results: </strong>In a group without HA coating (control group), a small amount of layered neosteum was observed in the d-PTFE dome. Conversely, a new balloon-shaped bone was observed in a HA-coated group (experimental group). Bone growth and number of bone beams were higher in the HA-coated group from 4 to 12 weeks postoperatively than those in the control group. However, no significant differences in bone mineral density values or bone bridge widths were observed.</p><p><strong>Conclusions: </strong>The HA coating enhanced bone augmentation without bone replacement. Histological findings indicated that the new bone comprised normal bone tissue with cartilage lumen and matrix. Therefore, our results indicate that bone augmentation with a HA coating may be mediated by endochondral ossification, a process similar to that of ectopic ossification.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932286","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bonding efficacy of highly translucent zirconia and lithium disilicate glass ceramics after femtosecond laser irradiation.","authors":"Kaiqi Xu, Masanao Inokoshi, Kumiko Yoshihara, Masayuki Kakehata, Hidehiko Yashiro, Rena Takahashi, Mao Yamamoto, Shingo Kamijo, Masaomi Ikeda, Shunsuke Minakuchi","doi":"10.2186/jpr.JPR_D_24_00134","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00134","url":null,"abstract":"<p><strong>Purpose: </strong>This study investigated the effects of femtosecond laser (FL) irradiation on the surface roughness and shear bond strength of high-translucency zirconia (6 mol% yttria-partially stabilized zirconia [6Y-PSZ]) and lithium disilicate (Li₂SiO₃) glass ceramics.</p><p><strong>Methods: </strong>Fully sintered square-shaped specimens of 6Y-PSZ (7 groups; 20 specimens/group) and Li₂SiO₃ (8 groups; 20 specimens/group) were surface-treated via sandblasting (50-μm alumina sand or glass beads) or FL irradiation (20- or 40-μm dot or cross-line patterns) or using Monobond Etch & Prime (Ivoclar Vivadent AG; only for Li₂SiO₃ specimens). The surface roughness (arithmetic average [Sa] and developed interfacial area ratio [Sdr]) and shear bond strength after 24 h and 10,000 thermal cycles were measured and statistically analyzed.</p><p><strong>Results: </strong>The surface roughness of both ceramics significantly increased after 40-μm cross-line FL irradiation. The Sdr also significantly increased after FL irradiation. The 20- and 40-μm cross-line laser-irradiated 6Y-PSZ samples showed the highest shear bond strength after 24 h and 10,000 thermal cycles, respectively. Li₂SiO₃ glass-ceramic specimens showed the highest shear bond strength after Monobond Etch & Prime treatment for both groups. The 40-μm cross-line laser-irradiated Li₂SiO₃ glass-ceramic specimens exhibited high shear bond strength after thermal cycling.</p><p><strong>Conclusions: </strong>FL significantly increases the bonding efficacy of 6Y-PSZ and Li₂SiO₃ glass ceramics. Furthermore, Monobond Etch & Prime is effective for the surface treatment of Li₂SiO₃ glass ceramics. Therefore, FL can be used to effectively treat the surfaces of dental restorations in clinical settings, facilitating enhanced adhesion between the restoration and the tooth.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932159","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comprehensive review of polyetheretherketone use in dentistry.","authors":"Yongheng Zhang, Weifang Zhang, Mingyuan Yang, Li Mengqi, Liping Zhou, Ying Liu, Lvhua Liu, Yanyan Zheng","doi":"10.2186/jpr.JPR_D_24_00142","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00142","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to comprehensively summarize the current state, shortcomings, and challenges regarding the use of polyetheretherketone (PEEK) in various fields of stomatology.</p><p><strong>Study selection: </strong>This study reviewed articles retrieved from PubMed, Google Scholar, Web of Science, and ScienceDirect databases. The main keywords used during the search included \"polyetheretherketone (PEEK),\" \"dental materials,\" \"orthodontics,\" \"prosthodontics,\" \"oral implantology,\" \"oral and maxillofacial surgery,\" \"periodontics\" \"osseointegration,\" and \"surface modification.\"</p><p><strong>Results: </strong>Numerous studies have highlighted the properties of PEEK that contribute to its usefulness in dentistry, including its high biocompatibility, fracture resistance, aesthetics, radiolucency, and bone-like mechanical properties. Promising applications of PEEK in dentistry include orthodontic archwires, interceptive orthodontic appliances, fixed lingual retainers, crowns, post and cores, fixed partial dentures, removable partial dentures, maxillofacial prostheses, dental implants, implant abutments, alveolar bone scaffolds, jaw reconstruction, temporomandibular joint reconstruction, periodontal splints, and occlusal splints. In addition, many in vitro and in vivo experiments have demonstrated that the in vivo bone integration capability can be effectively improved using advanced surface modification technologies.</p><p><strong>Conclusions: </strong>PEEK has been explored in several dentistry fields owing to its excellent properties. PEEK and its modifications are most frequently used in clinical dentistry. However, most of its applications are based on in vitro or short-term in vivo evaluations. Additional long-term clinical data are required to demonstrate the applicability and superiority of PEEK in dentistry.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy of different intraarticular injection materials in the arthrocentesis of arthrogenic temporomandibular disorders: A systematic review and network meta-analysis of randomized controlled trials.","authors":"Kata Kelemen, János König, Szilárd Váncsa, Bence Szabó, Péter Hegyi, Gábor Gerber, Péter Schmidt, Péter Hermann","doi":"10.2186/jpr.JPR_D_23_00272","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_23_00272","url":null,"abstract":"<p><strong>Purpose: </strong>Arthrogenic temporomandibular disorders (TMDs) that do not respond to conservative treatment necessitate the use of semi-conservative methods, such as arthrocentesis. However, the ranking of intraarticular devices used in arthrocentesis remains controversial. Therefore, a network meta-analysis and systematic review were conducted to compare the different materials used for arthrocentesis.</p><p><strong>Study selection: </strong>Databases of Cochrane Library, EMBASE, PubMed, and Web of Science were searched systematically to retrieve randomized controlled trials (RCTs) published in English comparing the efficacy of different intraarticular materials used for arthrocentesis. The mean differences (MD) and 95% confidence interval (CI) were calculated for maximum mouth opening (MMO) and pain perception using Bayesian network meta-analysis.</p><p><strong>Results: </strong>Among the 7674 studies retrieved, 13 RCTs were included in the quantitative synthesis. Evaluation of the short-term follow-up (1-3 months) outcomes revealed that saline-platelet-rich plasma (saline-PRP) and saline-steroid yielded the greatest improvement in MMO, with MDs of 3.49 (CI: -4.23, 10.81) and 3.36 (CI: -4.70, 10.46), respectively. Saline-PRP exhibited improvement in terms of pain reduction (MD=-2.72 (CI: -5.80, 0.35). Evaluation of the long-term follow-up outcomes revealed that saline-PRP yielded promising results for both outcomes: MD of 1.58 (CI: -6.84, 9.92) and -2.79 (CI: -9.44, 3.60) for MMO and pain reduction, respectively.</p><p><strong>Conclusion: </strong>Saline-PRP injection led to a clinically noticeable shift in MMO and pain perception in the short term; in contrast, the results of saline-PRP, saline-hyaluronic acid (HA), and saline steroids were statistically insignificant. Saline-HA and saline-steroid effectively increased MMO in the long term, whereas saline-PRP yielded the most distinct reduction in pain.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of different CAD-CAM post and core materials in endodontically treated teeth without ferrule and with non-circular root canals: 3D finite element analysis.","authors":"Chonnapha Phattanaphirom, Pongsakorn Poovarodom, Onauma Angwaravong, Thidarat Angwarawong","doi":"10.2186/jpr.JPR_D_24_00170","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_24_00170","url":null,"abstract":"<p><strong>Purpose: </strong>Restoring ferrule-lacking, noncircular canal endodontically treated teeth (ETT) poses challenges owing to the increased susceptibility to root fracture and post dislodgement. We aimed to evaluate the influence of different post and core materials on the stress distribution and maximum Von Mises stress in ETT.</p><p><strong>Methods: </strong>Four three-dimensional models were generated using different customized post and core materials: gold alloy, resin nanoceramic, polyetheretherketone (PEEK), and polyetherketoneketone (PEKK). A static load of 200 N was applied at an angle of 45 ° to the occlusal surface. The stress distribution and maximum Von Mises stress were analyzed using finite element analysis.</p><p><strong>Results: </strong>The stress distribution patterns in all the models were concentrated in the tooth structure, post and core, and cortical bone. The gold model exhibited stress accumulation predominantly on the buccal side along the post length, with the highest maximum Von Mises stress value (330.69 MPa). The resin nanoceramic model exhibited an even stress distribution. The PEEK and PEKK models showed stress transfer to adjacent structures with the lowest maximum Von Mises stress values in the post and core sections (21.50 MPa and 29.46 MPa, respectively).</p><p><strong>Conclusions: </strong>Different post and core materials influenced the stress distribution and maximum Von Mises stress values in ferrule-lacking, noncircular canal ETT. Resin nanoceramics have emerged as promising alternative materials, exhibiting an even stress distribution owing to their similar elasticity to dentin, thus potentially mitigating the risk of root fracture and post debonding.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142932311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantitative analysis of basal bone width as an index for immediate implant placement in the aesthetic zone: A retrospective study.","authors":"Mengru Shi, Shijie Chen, Haiwen Liu, Gengbin Cai, Zhuohong Gong, Jiamin Shi, Guangqi Gao, Zhuofan Chen, Quan Liu, Zetao Chen","doi":"10.2186/jpr.JPR_D_23_00299","DOIUrl":"https://doi.org/10.2186/jpr.JPR_D_23_00299","url":null,"abstract":"<p><strong>Purpose: </strong>The basal bone of the anterior maxilla plays a crucial role in maintaining primary stability of immediate implants. However, no consensus exists on the relationship between basal bone width and immediate implant success, unlike for basal bone length. This study presents a clinical scheme to predict the primary stability of immediate implants using the basal bone width.</p><p><strong>Methods: </strong>Cone-beam computed tomography (CBCT) images were acquired from 1000 patients to determine the quantitative characteristics of the basal bone of the anterior maxilla. Basal bone dimensions, including the length and width along the tooth and bone axes, and immediate implant-related hard tissue indices, were measured on the sagittal sections. Descriptive statistics, frequency, multiple correlation, and canonical correlation analyses were performed.</p><p><strong>Results: </strong>Basal bone indices were significantly greater in men than in women and exhibited different patterns of change with increasing age. Canonical correlation analyses revealed that the basal bone indices, especially basal bone width, correlated with other immediate implant-related indicators, among which the total width of the basal bone at 2 mm apical to the apex (Apical-2mm) exhibited the greatest contribution. Apical-2mm was positively correlated with the coronal bone dimensions, apical bone dimensions, basal bone length, and angulation.</p><p><strong>Conclusions: </strong>The basal bone width of the maxillary anterior tooth may reflect the distribution of other implant-related anatomical indices, which may provide an additional reference for predicting the primary stability of an immediate implant.</p>","PeriodicalId":16887,"journal":{"name":"Journal of prosthodontic research","volume":" ","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}