The International journal of oral & maxillofacial implants最新文献

{"title":"Bibliometric Review of the Dental Implant literature: Technique/Biomaterial, Biological/Medical, and Research Funding.","authors":"Claude Robert, Concepción Shimizu Wilson, Marc Dieb","doi":"10.11607/jomi.11341","DOIUrl":"https://doi.org/10.11607/jomi.11341","url":null,"abstract":"<p><strong>Background: </strong>Due to the diversity in objectives and methodologies, the increase in the number of bibliometric studies on dental implants offers a landscape often difficult to decipher by readers.</p><p><strong>Aim: </strong>To overcome this difficulty, we review and analyze bibliometric studies published during the last decades on dental implants through three parameters: Techniques or Biomaterial relating to dental implants; Biological or Medical conditions resulting from dental implantology; and Research Funding highlighting the contribution of funding bodies in the selection and implementation of research projects.</p><p><strong>Method: </strong>Using general keywords related to dental implants, a combined search on various databases and general internet browsers was developed to collect bibliometrics papers on dental implants.</p><p><strong>Results: </strong>45 papers were collected and each paper was reviewed according to one of the following categories: techniques or biomaterials used in dental implants; biological or medical conditions related to dental implants, and research funding.</p><p><strong>Conclusion: </strong>We hope that researchers, clinicians, institutions, politicians, and decision-makers involved or interested in research in implantology will find this study a useful guide to clarify their vision of the literature on dental implants.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-31"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499992","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":"Evaluation of the Effects of Diameter, Length, Splinted or Non- Splinted Forms, and Crown-to-Implant Ratio on the Stress Distribution around Extra-Short Implants in the Posterior Mandible: Finite Element Analysis.","authors":"Hossein Salehivaziri, Hojatollah Yousefimanesh, Leila Golpasand Hagh, Mahmoud Jahangirnezhad","doi":"10.11607/jomi.11298","DOIUrl":"https://doi.org/10.11607/jomi.11298","url":null,"abstract":"<p><strong>Purpose: </strong>Significant advancements in implantology over the past decade have expanded treatment options for maxillofacial reconstructions. This study aimed to investigate the distribution of stress in the bone around extra-short posterior mandibular implants to replace two molar teeth in six different treatment plans.</p><p><strong>Materials and methods: </strong>In this experimental study, pre-existing cone beam computed tomography (CBCT) data sets were imported into image processing software (Mimics and 3-matic) to create accurate three-dimensional (3D) mandibular contours using finite element analysis (FEA). A total of 18 models for the reconstruction of the first and second mandibular molars were defined based on the implant diameter, crown height, and splinted or non-splinted forms, with a 100 N load applied at a 30- degree angle. Two extra-short implants with a length of 4mm and diameters of 4.1mm or 4.8mm were utilized. The crown heights were also 15mm, 12.5mm, and 10mm.</p><p><strong>Results: </strong>The study of stresses in cortical bone, trabecular bone, fixture, and crown revealed that the highest stress levels (e.g., 118.27 MPa in cortical bone) were associated with the treatment pla involving two implants with a diameter of 4.1mm without a splint and a crown height of 15mm. Conversely, the lowest amount of stress (e.g., 29.12 MPa in cortical bone) was observed in the treatment plan with two implants with a diameter of 4.8mm without a splint and a crown height of 10mm. Crown height most influenced stress (up to 237.6% increase), followed by diameter (up to 63.7% reduction, weakened at higher crowns), while splinting effects varied (e.g., +122.7% crown stress increase in specific cases); cortical bone stayed below a 130 MPa safe zone, but trabecular bone often exceeded 10 MPa.</p><p><strong>Conclusion: </strong>Increasing the height of the crown in non-splinted implants leads to an increase in stress distribution in all cases of the treatment plan outlined in this study, with static analysis suggesting trabecular bone risk and a need for fatigue studies.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499994","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":"Histological and Immunohistochemical Analysis of Peri-implant Tissue Regeneration at the Interface of Prosthetic Abutments Treated with Anodizing: A Prospective, Randomized Controlled Clinical Trial on the Early Postoperative Period.","authors":"Vilton Zimmerman de Souza, Rafael Manfro, Lucas Novaes Teixeira, Carlos Nelson Elias, Julio Cesar Joly, Elizabeth Ferreira Martinez","doi":"10.11607/jomi.11301","DOIUrl":"https://doi.org/10.11607/jomi.11301","url":null,"abstract":"<p><strong>Objectives: </strong>This clinical trial aimed to assess the effects of anodized prosthetic abutments versus machined abutments on peri-implant connective tissue.</p><p><strong>Materials and methods: </strong>Following dental implant placement and osseointegration, custom healing abutments with machined surfaces (G1) and anodized surface treatment (G2) were attached to 28 dental implants. After a soft tissue healing period of approximately 30 days (±7 days), 5 mm circular biopsies were taken from the peri-implant tissue and the area adjacent to the prosthetic abutment. Histological analysis was conducted on the stained specimens using hematoxylin- eosin, focusing on parameters such as vascular proliferation, the presence of polymorphonuclear and mononuclear cells, collagen fibrils, and re-epithelialization. A grading scale from 0 to 3 evaluated the extent of the inflammatory response. Masson's trichrome staining was used to analyze collagen fiber presence and organization, while immunohistochemical staining assessed the expression of beta-catenin and CD34. The prosthetic abutments were evaluated through electron microscopy and three-dimensional roughness analysis.</p><p><strong>Results: </strong>Histological findings revealed that peri-implant tissue adjacent to anodized surfaces exhibited epithelial stratification and a parakeratin layer in the lamina propria. Both groups displayed a typical mononuclear lymphocytic inflammatory infiltrate, but the intensity was significantly higher adjacent to the machined abutment (p<0.05). Quantification of blood vessels indicated increased immunopositivity for CD34 in G2 compared to G1 (p<0.05). Immunolabeling of beta-catenin was detected in the epithelial tissue, showing weak intensity in G1 and strong intensity in G2. The average surface roughness (Ra) measurements were determined to be 0.097 (0.006) µm for G1 and 0.182 (0.008) µm for G2.</p><p><strong>Conclusion: </strong>Anodized surfaces are promising and exhibit beneficial effects on peri-implant tissue healing. They play an important role in preserving the epithelial mucosal integrity and functionality near the prosthetic abutment, thereby potentially minimizing the risks of mucositis, peri-implantitis, and implant failure.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-27"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499995","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":"Accuracy and Reliability of Artificial Intelligence Chatbots as Public Information Sources in Implant Dentistry.","authors":"Filiz Yagcı, Ravza Eraslan, Haydar Albayrak, Funda İpekten","doi":"10.11607/jomi.11280","DOIUrl":"https://doi.org/10.11607/jomi.11280","url":null,"abstract":"<p><strong>Purpose: </strong>The purpose of this study was to evaluate the accuracy, completeness, comprehensibility and reliability of widely available AI chatbots in addressing clinically significant queries pertaining to implant dentistry.</p><p><strong>Materials and methods: </strong>Twenty questions were devised based on those that were most frequently asked or encountered during patient consultations by three experienced prosthodontists. That questions were asked to ChatGPT- 3.5, Gemini, Copilot AI chatbots. All questions were asked to the each chatbot three times with a twelve days intervals and a three-point Likert scale (Grade 0: incorrect, grade 1: incomplete or partially correct, and grade 2: correct) and a two point scale (true and false) were employed by the authors to grade the accuracy of the responses independently. Also completeness and comprehensibility were evaluated using a three-point Likert scale. Frequently asked five questions to each chatbot were analyzed. The comparison of total scores of the chatbots was made with one-way analysis of variance. Two point scale data were analysed by Chi-Square test. The reliability of the responses for each chatbot was analyzed by assessing the consistency of repeated responses by calculating Cronbach's alpha coefficients.</p><p><strong>Results: </strong>When the total scores of the chatbots were analyzed (ChatGPT-3.5 = 28.78 ± 4.06, Gemini = 30.89 ± 4.08, Copilot = 29.11 ± 3.22), one-way ANOVA revealed no statistically significant differences (P=.461). Evaluation of two-point scale data which analysed by Chi-Square test, revealed no statistical difference among the chatbots (P=.336). Gemini has shown higher completeness level than ChatGPT-3.5 (P=.011). There was no statistically significant difference among AI chatbots in terms of comprehensibility. Copilot demonstrated the greatest overall consistency among the three chatbots, with a Cronbach's alpha value of 0.863. This was followed by ChatGPT-3.5 with a Cronbach's alpha value of 0.779 and Gemini with a Cronbach's alpha value of 0.636.</p><p><strong>Conclusions: </strong>The accuracy of three chatbots was found similar. All three chatbots demonstrated an acceptable level of consistency. However, given the low accuracy rate of chatbots in answering questions, it is clear that they should not be the sole decision-maker. The clinician's opinion must be given priority.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-23"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499990","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":"Beta-Tricalcium Phosphate (β-TCP) for Customized Bone Regeneration (CBR) in the Aesthetic Area of the Maxillary Anterior Alveolar Ridge.","authors":"Silvio Valdec, Fabienne A Bosshard, Andrea Patrizi, Nadja Naenni, Adib Al-Haj Husain","doi":"10.11607/jomi.11352","DOIUrl":"https://doi.org/10.11607/jomi.11352","url":null,"abstract":"<p><strong>Purpose: </strong>Beta-tricalcium phosphate (β-TCP), a ceramic material renowned for its excellent biocompatibility, is widely used in oral tissue regeneration owing to its superior osteoconductive properties. This case report presents the surgical and prosthodontic management, along with a two-year clinical and radiological follow-up, of a patient-specific β TCP scaffold designed using computer-aided design and manufacturing (CAD/CAM) for the augmentation of a complex maxillary anterior alveolar ridge defect.</p><p><strong>Material and methods: </strong>A 37-year-old male presented with a mispositioned implant in the maxillary anterior region, initially placed during adolescence. Ongoing alveolar ridge growth resulted in increased infraposition, exposed implant surface, and aesthetic concerns, requiring repeated prostheti corrections. Removal of the implant, followed by treatment using a patient-specific β-TCP scaffold, was performed to address both functional and aesthetic deficiencies. The scaffold was designed by means of CAD/CAM, providing a tailored solution for bone augmentation. Since the final restoration was planned without an implant-based rehabilitation, a resorbable magnesium screw was chosen as the fixation element to minimize the need for reintervention. Despite a buccal dehiscence that necessitated additional soft tissue grafting, the first year demonstrated excellent integration and successful prosthetic restoration. The two-year follow up still demonstrated successful clinical and aesthetic outcomes. However, radiological findings revealed ambiguous resorption patterns in the scaffold area, prompting concerns about potential complications.</p><p><strong>Conclusions: </strong>This case highlights the benefits of using CAD/CAM-based β-TCP scaffolds for complex alveolar ridge augmentation, offering enhanced predictability and reduced perioperative technical challenges. Despite the complication of soft tissue dehiscence, the long-term clinical outcome was favorable. Further clinical research is necessary to assess the long-term effectiveness and possible limitations of β-TCP scaffolds in regenerative and reconstructive dentistry, particularly regarding resorption patterns and soft tissue integration. Close clinical monitoring is recommended to ensure optimal healing and prevent any adverse effects on the treatment outcome.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499991","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":"Comparative Accuracy of Static vs Dynamic Guidance for Dental Implant Placement on Vascularized Bone Flap Reconstruction: A Retrospective Study.","authors":"Jie Liang, Yifan Kang, Zichao Wang, Yanjun Ge, Xiaofeng Shan, Zhigang Cai","doi":"10.11607/jomi.11330","DOIUrl":"https://doi.org/10.11607/jomi.11330","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate and compare the accuracy of dental implant placement on vascularized bone flaps (VBFs) reconstructed for jaw defects using static computer-assisted implant surgery (s-CAIS) and dynamic computer-assisted implant surgery (d-CAIS).</p><p><strong>Material and methods: </strong>The present retrospective study included patients who underwent s- or d-CAIS implant placement following VBFs reconstruction between October 2021 and October 2023. Accuracy was assessed by comparing the preoperative design and postoperative results from cone-beam computed tomography. Key parameters, such as angulation deviation, global deviation at the platform and apex, and bidirectional deviations (mesiodistal, buccolingual, and apicocoronal), were measured and compared between groups.</p><p><strong>Results: </strong>A total of 23 patients were included: nine patients (33 implants) in the d-CAIS group and 14 patients (41 implants) in the s-CAIS group. The d-CAIS group demonstrated significantly lower global deviation (p < 0.01) and apicocoronal deviation at the apex (p < 0.05) compared to the s-CAIS group. Superior accuracy was also observed in the d-CAIS group for posterior implants, particularly in apicocoronal deviation at both the platform and apex levels (p < 0.01). Additionally, d-CAIS outperformed s-CAIS for mandibular implants, showing significantly lower buccolingual deviation at both the platform and apex levels (p < 0.05). For implants on iliac flaps, d-CAIS exhibited lower angulation deviation and global deviation at the platform and apex levels (p < 0.05).</p><p><strong>Conclusion: </strong>When placing implants on VBFs reconstructed jaws, dynamic guidance demonstrated superior precision, particularly in controlling depth and apex deviation.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-23"},"PeriodicalIF":0.0,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144499993","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":"Influence of Prosthetic Interface and Manufacturing Metal on Mechanical Behavior of Two Extra Narrow Implants.","authors":"Eduardo Zancopé, Karla Zancopé, Ana Vitória Carvalho Pinto, Carolina Neves Tannous Dib, Eduarda Betiati Menegazzo, Lucas Zago Naves, Ricardo Faria Ribeiro, Christian Felippi, Flavio Domingues das Neves","doi":"10.11607/jomi.10960","DOIUrl":"https://doi.org/10.11607/jomi.10960","url":null,"abstract":"<p><strong>Purpose: </strong>It is still unclear if modifications in prosthetic/implant interface and implant alloy could affect mechanical behavior of extra-narrow implants. The aim of this study was to evaluate the mechanical behavior of two types of 2.9mm in diameter dental implant, by using physical and virtual mechanical testing.</p><p><strong>Materials and methods: </strong>Two different Morse taper implant systems were evaluated in the current study: Facility implants (2.9mm diameter, 5° angulation of the internal conical portion) versus Narrow GM implants (2.9mm diameter, 16° angulation of the internal conical portion). Groups were evaluated, according to these methodologies: Strength to failure test, Fractographic analyses, Strain gauge test and Thermomechanical cycling test.</p><p><strong>Results: </strong>Statistical analysis revealed a significant distinction (p<0.001) between groups, the mechanical fracture efficiency of the Narrow group was 25% superior to Facility group. The examination using SEM revealed that all implants experienced fractures, with a tendency for these fractures to transpire in the area where there was a lack of continuity at the abutment/implant interface. There was no difference between groups considering the strain around the cervical region of the Morse taper implants tested (p=0.987). The survival rate of crowns and prosthetic connections was 100%. There was no crown loosening, prosthetic component detachment, or fracture of either.</p><p><strong>Conclusion: </strong>The proposed modifications for the new implant/abutment system had a positive impact on the mechanical behavior of the implant, with a 25% increased in fracture resistance and better stress distribution. Clinically, the GM Narrow system has become more resistant, but both systems can securely be used in restricted areas, with low masticatory effort, as upper lateral incisor and inferior incisors.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-19"},"PeriodicalIF":0.0,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144487581","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":"Retrospective Comparative Analysis of Peri-Implant Grayscale Values and Marginal Bone Levels in Ultra-short Implants (5.2mm) Placed in Native Bone Versus Standard-Length Implants (>8mm) in Augmented Sites.","authors":"Sandra Marina Peppmeier, Paul Henn, Tobias Gust Graf, Peter Gehrke, Jörg Neugebauer, Paul Henn","doi":"10.11607/jomi.11384","DOIUrl":"https://doi.org/10.11607/jomi.11384","url":null,"abstract":"<p><strong>Objectives: </strong>This retrospective study aimed to evaluate peri-implant marginal bone level changes and radiographic grayscale value (GSV) alterations in vertically compromised bone around ultra-short implants (5.2 mm) placed in native bone compared to standard-length implants (8-14 mm) placed in augmented sites.</p><p><strong>Methods: </strong>The mean follow-up period was 38 months, with a maximum of 64 months. A total of 53 patients, collectively receiving 131 implants, were included. Each patient received at least both one ultra-short implant and one standard-length implant. In total 78 short implants and 53 standard length implants were placed. Standard-length implants were predominantly placed using alveolar ridge augmentation with autologous bone chips, sinus lifting, or retromolar bone block grafting. Autologous bone chips were supplemented with up to 50% bone substitute materials. Peri- implant marginal bone levels were assessed using the Distance Implant to Bone (DIB) method, while radiographic GSV served as a surrogate for bone density. All radiographic measurements were performed by two blinded evaluators using an automated x-ray overlay protocol, achieving high inter-rater reliability (intraclass correlation coefficients > 0.98). A linear mixed model, accounting for heterogeneous follow-up intervals, was applied to estimate changes in marginal bone levels (ΔMBL) and grayscale values (ΔGSV) (p < 0.05).</p><p><strong>Results: </strong>The mean follow-up period was 38 months, with a maximum of 64 months. A total of 123 implants were assessed for changes in marginal bone level and grayscale values, representing bone density. Ultra-short implants demonstrated significantly lower marginal bone loss over the observation period (ΔMBL = -0.61 ± 0.93 mm) than standard-length implants placed in augmented bone (ΔMBL = -1.11 ± 1.26 mm; p = 0.001). Moreover, ∆GSV around ultra-short implants significantly increased (ΔGSV = 3.26 ± 20.52 a.u), whereas standard-length implants exhibited a decrease in radiographic density (ΔGSV = -0.76 ± 21.59 a.u; p = 0.009).</p><p><strong>Conclusions: </strong>Within the limitations of this mid-term retrospective study, ultra-short implants placed in native bone exhibited statistically superior marginal bone preservation and significantly increased radiographic density when compared to standard-length implants placed in augmented sites. These results help to underscore the potential clinical advantage of opting for ultra-short implants in suitable native bone conditions to reduce the morbidity associated with extensive augmentation and less risk for periimplantitis on the long-term run in selected cases. Nevertheless, further long term, randomized investigations are warranted to confirm these findings.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-26"},"PeriodicalIF":0.0,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144487583","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 Pre-clerkship and Clerkship Dentistry Students' Perspectives on Implant Education: A Cross-Section from Türkiye.","authors":"Busra Terzioglu, Ahu Uraz Corekci, Sertac Sariyerd Seyma Ekena, Berceste Guler Ayyildiz","doi":"10.11607/jomi.11403","DOIUrl":"https://doi.org/10.11607/jomi.11403","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to compare pre-clerkship and clerkship groups to evaluate the effects of undergraduate education and clinical clerkship on dental students' perspectives on implant treatment and education.</p><p><strong>Materials and methods: </strong>This survey study was conducted on all dentistry students at two universities in .... Data were collected between June and July 2024 through a digital survey form containing various questionnaires regarding students' knowledge, attitudes, perspectives, and future plans regarding implant treatment and education. All surveys were validated and reliable, with ... validity confirmed. Survey data compared responses from pre-clerkship and clerkship groups.</p><p><strong>Results: </strong>A total of 394 students participated in this study. The survey's overall response rate was 43.7%. Of the participants, 55.8% were in the pre-clerkship group, while 44.2% were in the clerkship group. Statistically significant relationships were determined of both self-assessment knowledge and attitude levels related to the pre-clerkship and clerkship groups (p<0.05). The pre-clerkship group often expressed uncertainty, stating phrases like 'No knowledge' 'I cannot estimate,' or 'No opinion,' while the clerkship group demonstrated greater self-confidence. Both groups agreed on the necessity of undergraduate implant education, but the pre-clerkship group (71.9%) preferred the inclusion of clinical practice education more often than the clerkship group (57.8%).</p><p><strong>Conclusions: </strong>This study indicates that a combination of theoretical education and clinical observation in the undergraduate curriculum enhances students' perception of implant treatment and education. However, there is still a need to improve theoretical education and incorporate practical application into the curriculum to achieve optimal outcomes.</p>","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-32"},"PeriodicalIF":0.0,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144487678","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":"Implant Outcomes in Crestal Versus Open Sinus Elevation: A Randomized Clinical Trial.","authors":"Hebatallah Mattar, Tamer A Nasr, Khaled M Keraa, Mohammed El Sholkamy","doi":"10.11607/jomi.11253","DOIUrl":"https://doi.org/10.11607/jomi.11253","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Purpose: &lt;/strong&gt;This study aimed to evaluate clinical, radiographic, patient-centered, and patient- reported outcomes of dental implants placed with maxillary sinus bone augmentation using two different sinus floor elevation techniques in reduced residual bone height of four to seven millimeters.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Materials and methods: &lt;/strong&gt;Thirty implants were placed in conjunction with raising thirty maxillary sinuses in seventeen patients with residual bone heights of four to seven millimeters determined to be primarily due to sinus pneumatization rather than post-extraction resorption, as evidenced by the pre-operative CBCT analysis and comparison to neighboring alveolar bone level heights, with either crestal (indirect/osteotome) or open (direct/lateral window) sinus augmentation using allograft material. Patients were randomly assigned to the test group (crestal technique) or the control group (open technique). A 12-month follow-up assessed dental implant stability through Resonance Frequency Analysis (RFA) and monitored plaque, bleeding indices, and peri-implant probing depths. Changes in vertical, crestal, and buccal bone around the implants were examined after surgery, at six and at 12 months using low-dose Cone Beam Computed Tomography (CBCT) with a fusion module. Additionally, relative radiographic bone density was evaluated utilizing specialized software at six, nine and 12 months. Finally, the patient-centered outcome of edema was objectively measured as well as subjectively reported by the patient.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;After 12 months of follow-up, no significant differences were observed between the groups regarding radiographic parameters. There were no statistically significant differences in ISQ scores or implant success/failure rates (p&gt;0.05). Clinically, the test (crestal) group exhibited a lower bleeding index (BI) (p=0.027) and more favorable edema outcome scores, measured by both patient-centered and patient-reported methods, compared to the control group (p=0.016 and 0.003, respectively).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusions: &lt;/strong&gt;The crestal sinus lifting technique using osteotomes, performed simultaneously with implant placement and allogenic bone grafting, shows only superior clinical outcomes of BI, radiographic outcomes of buccal bone changes, and patient-centered and reported outcomes of edema compared to the open sinus lifting technique. Therefore, the findings suggest that, while the crestal approach demonstrates certain advantages, both techniques can be considered for managing crestal bone heights ranging from four to seven millimeters, providing surgeons with two viable options for dealing with such reduced bone heights. This clinical trial was registered on ClinicalTrials.gov (ID: NCT06265467).&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Clinical relevance: &lt;/strong&gt;The technique of choice where the maxillary sinus had pneumatized, especially in areas where the residual bone height ranges from four to seven millimeters, is","PeriodicalId":94230,"journal":{"name":"The International journal of oral & maxillofacial implants","volume":"0 0","pages":"1-40"},"PeriodicalIF":0.0,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144487680","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}