eJournal of Oral Maxillofacial Research最新文献

{"title":"Peri-Implant Soft-Tissue Augmentation Using Xenogeneic Collagen Matrices <i>Versus</i> Autogenous Connective Tissue Grafts in Single-Tooth Implants: a Systematic Review.","authors":"Yossef Haim Avramov, Lior Bangiev, Daniel Simonov, Jaunius Juodžbalys","doi":"10.5037/jomr.2026.17202","DOIUrl":"10.5037/jomr.2026.17202","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this systematic review was to evaluate and compare the clinical outcomes of peri-implant soft tissue augmentation using xenogeneic collagen matrices and autogenous subepithelial connective tissue grafts in single-tooth implant therapy. The review focused on key clinical parameters, including marginal bone loss, soft tissue thickness gain, mid-buccal recession, and aesthetic outcomes assessed by the pink aesthetic score.</p><p><strong>Material and methods: </strong>This systematic review was conducted following PRISMA guidelines. A comprehensive electronic search was performed in MEDLINE (PubMed), ScienceDirect, and the Cochrane Library for studies published between November 18, 2015, and November 18, 2025. Eligible studies included randomized controlled trials, prospective clinical trials, and cohort studies evaluating peri-implant soft tissue augmentation using xenogeneic collagen matrices compared with autogenous subepithelial connective tissue grafts. Study quality and risk of bias were assessed using the Joanna Briggs Institute Critical Appraisal Checklist.</p><p><strong>Results: </strong>A total of 839 records were identified, of which six studies met the inclusion criteria. Both treatment modalities demonstrated favourable clinical outcomes. Marginal bone loss was generally limited, with no consistent statistically significant differences between groups, although one study reported greater bone loss in the xenogeneic group. Soft tissue thickness gain showed a trend favouring autogenous grafts. Mid-buccal recession data were limited but suggested slightly greater recession in the xenogeneic group. Aesthetic outcomes were comparable between groups.</p><p><strong>Conclusions: </strong>Both treatment modalities are effective; however, autogenous grafts provide more consistent soft tissue thickness gain, while collagen matrices represent a viable alternative with comparable aesthetic and bone outcomes.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 2","pages":"e2"},"PeriodicalIF":1.6,"publicationDate":"2026-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13576729/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978420","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"One-Abutment-One-Time <i>Versus</i> Repeated Abutments Disconnections in Platform-Switched Conical Connection Dental.","authors":"Pinny Abayov, Lior Bangiev, Lir Ben Mizrahi, Nathanel Bangiyev, Albinas Gervickas, Gintaras Juodžbalys","doi":"10.5037/jomr.2026.17201","DOIUrl":"10.5037/jomr.2026.17201","url":null,"abstract":"<p><strong>Objectives: </strong>The one-abutment-one-time protocol has been proposed to improve peri-implant tissue stability by minimizing repeated abutment manipulation. This systematic review and meta-analysis evaluated the effect of one-abutment-one-time compared with repeated abutment disconnections on peri-implant marginal bone loss and secondary clinical outcomes in platform-switched, conical-connection dental implants.</p><p><strong>Material and methods: </strong>A PRISMA-guided systematic review of randomized controlled trials published between 2018 and 2025 was conducted. Studies included adult patients restored with bone-level, platform-switched implants with an internal conical connection. Marginal bone loss (MBL) was the primary outcome; probing depth (PD), implant survival, and biological and prosthetic complications were secondary outcomes. Meta-analyses were performed using random-effects models.</p><p><strong>Results: </strong>Seven randomized controlled trials were included. All studies reported numerically lower MBL with one-abutment-one-time (OAOT). Pooled analysis of six parallel-group trials demonstrated a statistically significant reduction in MBL favouring OAOT (mean difference -0.23 mm; 95% CI = -0.44 to -0.02). No significant differences were observed for PD. Implant survival rates were high and comparable between protocols, and complication rates were low with no consistent intergroup differences.</p><p><strong>Conclusions: </strong>The one-abutment-one-time protocol is associated with a modest but consistent reduction in peri-implant marginal bone loss in platform-switched, conical-connection implants, without clear benefits for other peri-implant clinical outcomes.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 2","pages":"e1"},"PeriodicalIF":1.6,"publicationDate":"2026-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13576734/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Systematic Dietary Interventions to Minimize Postoperative Weight Loss Following Orthognathic Surgery: a Randomized Controlled Trial.","authors":"Tina Mosgaard Mogensen, Marie Germund Nielsen, Niels Henrik Bruun, Thomas Starch-Jensen, Karin Bundgaard","doi":"10.5037/jomr.2026.17204","DOIUrl":"10.5037/jomr.2026.17204","url":null,"abstract":"<p><strong>Objectives: </strong>This randomized controlled trial aimed to assess whether structured dietary interventions, implemented both before and after orthognathic surgery, could minimize postoperative weight loss during the first eight weeks.</p><p><strong>Material and methods: </strong>The study was conducted between April 2017 and April 2022, involving patients undergoing singleor bimaxillary surgery. Participants were randomly allocated into three groups: intervention 1 (nutritional tube feeding), intervention 2 (oral intake nutritional supplements), and control (standard care). Body composition was assessed using a body composition analyser (Tanita BC-418) at five time points: presurgery examination, admission, and follow-ups weeks 1, 3, and 8. Primary outcome was weight; secondary - BMI, fat mass, fat-free mass, total body water, and visceral fat rating. Compliance was assessed from patient questionnaires and hospitalization records based on adherence to the prescribed nutritional intake before and after surgery.</p><p><strong>Results: </strong>In total 150 patients were included, without statistically significant differences in age (28.6 [SD 10.4] years, P = 0.7) and BMI (24.9 [SD 5.6], P = 0.72). All groups experienced significant weight loss postoperatively (week 1: P < 0.001; week 3: P < 0.001; week 8: P < 0.001), with control showing slightly greater loss at week 8 (-3.03 kg vs. -2.18 and -2.67 kg; P = 0.11). Compliance during hospitalization was higher in intervention 1 (71.8%) than intervention 2 (55.1%; P = 0.02). No significant differences were found in body mass index or body composition changes.</p><p><strong>Conclusions: </strong>There was no statistically significant effect of systematic dietary interventions <i>versus</i> standard care on postoperative weight loss or body composition after orthognathic surgery. Higher adherence did not improve clinical outcomes.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 2","pages":"e4"},"PeriodicalIF":1.6,"publicationDate":"2026-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13576730/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978555","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Triangular <i>Versus</i> Circular Implant Neck Design and Their Effect on Marginal Bone Loss: a Systematic Review.","authors":"Daniel Simonov, Yossef Haim Avramov, Lior Bangiev, Yasmin Ayala Izraelov, Jaunius Juodžbalys","doi":"10.5037/jomr.2026.17203","DOIUrl":"10.5037/jomr.2026.17203","url":null,"abstract":"<p><strong>Objectives: </strong>This literature review evaluates the differences between triangular and circular neck designs and their influences on marginal bone remodelling as well as peri-implant hard and soft tissue health. The primary aim was to compare implant survival and hard-tissue outcomes (peri-implant bone level, implant stability quotient and insertion torque). The secondary aim was to compare soft-tissue outcomes (probing depth, bleeding on probing, plaque index and full-mouth plaque score).</p><p><strong>Material and methods: </strong>The literature review followed PRISMA statement and used a PICOS-based focus question. An extensive search was conducted in MEDLINE (PubMed), Embase, Cochrane Library and Web of Science for studies published between December 1, 2015, and December 1, 2025. Inclusion criteria focused on human adult clinical studies, triangular vs circular neck implants, ≥ 3 months follow-up, and reporting at least one relevant clinical/radiographic parameter. Study risk of bias was assessed using the Joanna Briggs Institute Checklists.</p><p><strong>Results: </strong>From 2999 identified records, 5 studies were included, comprising a total of 86 patients with follow-up ranging from 3 to 60 months. All studies compared triangular and circular neck implants. Implant survival was 100% in all studies. No significant differences were found in insertion torque, implant stability quotient and soft-tissue parameters. Two studies reported significantly lower (P ≤ 0.05) peri-implant bone level with triangular neck implants, while others found no significant differences.</p><p><strong>Conclusions: </strong>The results indicate that triangular and circular implant neck designs demonstrate comparable clinical performance, with no clear differences in implant survival, insertion torque, implant stability quotient, and in soft-tissue outcomes. Peri-implant bone level may be lower with triangular neck implants in some settings, but findings are inconsistent across studies and limited.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 2","pages":"e3"},"PeriodicalIF":1.6,"publicationDate":"2026-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13576732/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Apical Surgery of Mandibular Molar - Clinical Handling of Cystic Lesion Adjacent to the Inferior Alveolar Nerve: a Case Report.","authors":"Pedram Hosseinzadehfard, Arman Hosseinzadehfard, Kalleni Demetriou, Neringa Skučaitė","doi":"10.5037/jomr.2026.17205","DOIUrl":"10.5037/jomr.2026.17205","url":null,"abstract":"<p><strong>Objectives: </strong>Endodontic microsurgery in the mandibular molar region is associated with significant clinical challenges when large periapical cystic lesions are located near the inferior alveolar nerve. The purpose of this case report is to describe the clinical management and outcomes of a patient presenting with a cystic lesion in close proximity to the inferior alveolar nerve, illustrating the importance of advanced imaging in treatment planning and risk assessment.</p><p><strong>Material and methods: </strong>A 45-year-old female with persistent pain related to mandibular first molar previously treated with root canal therapy and restored with a metal-ceramic crown underwent radiographic and cone beam computed tomography examinations. A well-defined cystic lesion in direct contact with the inferior alveolar nerve was identified. Preoperative planning guided the surgical approach, which included elevation of a full-thickness mucoperiosteal flap, osteotomy, root-end resection, removal of a separated instrument, careful cyst enucleation to avoid nerve injury, ultrasonic root-end preparation, and retrograde obturation using a calcium silicate-based material. The surgical site was closed with 4-0 polypropylene sutures (Prolene^® - Ethicon, Inc.).</p><p><strong>Results: </strong>At the three-month follow-up, the patient reported resolution of pain and absence of neurosensory disturbances. Radiographic imaging indicated favourable early bone healing of the surgical site.</p><p><strong>Conclusions: </strong>Careful preoperative evaluation with cone beam computed tomography and meticulous microsurgical techniques are essential for mitigating risks and achieving successful outcomes in the management of periapical cysts adjacent to the inferior alveolar nerve. Clinicians should consider ongoing clinical and radiographic monitoring to evaluate long-term success following surgical intervention.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 2","pages":"e5"},"PeriodicalIF":1.6,"publicationDate":"2026-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13576731/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148978425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Implant Primary and Secondary Stability after Site Preparation with Electromagnetic Osteotomes or Osseodensification Burs: a Randomized Controlled Trial with Split-Mouth Design.","authors":"Antonio Rapani, Sara Bonaventura, Rebecca Martini, Federico Berton, Riccardo Pasquali, Michele Maglione, Claudio Stacchi","doi":"10.5037/jomr.2026.17102","DOIUrl":"10.5037/jomr.2026.17102","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this split-mouth randomized clinical trial is to compare implant primary and secondary stability over 90 days following site preparation with electromagnetic osteotomes or osseodensification burs.</p><p><strong>Material and methods: </strong>Nineteen patients received two identical implants in contralateral posterior maxillary sites. Test sites were prepared with electromagnetic osteotomes (EO), and control sites were prepared with osseodensification burs (ODB), reaching the same osteotomy diameter. Resonance frequency analysis (RFA) was recorded at implant placement and after 7, 14, 21, 28, 60 and 90 days. Surgical time, final insertion torque and eventual complications were recorded. Radiographic marginal bone levels were assessed at surgery (T0), prosthesis delivery (T1), and 1 year after loading (T2).</p><p><strong>Results: </strong>Median final insertion torque did not differ significantly in the two techniques (EO: 58 [IQR 23] Ncm; ODB: 61 [IQR 21.5] Ncm; P = 0.15). Baseline implant stability quotient (ISQ) was significantly higher in ODB sites (75.19 [SD 4.95]) than in EO sites (70.66 [SD 6.03]) (P = 0.004). Mean ISQ values were significantly higher in the ODB group at all timepoints (P < 0.05). Marginal bone levels showed no significant differences between techniques at T1 or T2, and final insertion torque was the only variable significantly associated with initial bone remodeling (P = 0.016). All inserted implants were in function at T2.</p><p><strong>Conclusions: </strong>Within the limitations of this randomized controlled trial conducted in posterior maxillary sites with low bone density, osseodensification burs resulted in significantly higher implant stability, as measured by ISQ values at placement and during early healing, compared with electromagnetic osteotomes, despite similar insertion torque values. Multivariate analysis revealed a significant association between insertion torque and early radiographic changes in marginal bone levels, independent of the preparation technique.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 1","pages":"e2"},"PeriodicalIF":1.6,"publicationDate":"2026-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242654/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148206882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Soft Tissue Changes after Maxillary Advancement in Patients with Cleft Lip and Palate.","authors":"Annie Karoline de Oliveira Tanaka, Bhárbara Marinho Barcellos, Arturo Medrano Gutiérrez, Caroline de Paula Oliveira Gringo, Isabela Toledo Teixeira da Silveira, Luciano Reis de Araújo Carvalho, Renato Yassutaka Faria Yaedú","doi":"10.5037/jomr.2026.17105","DOIUrl":"10.5037/jomr.2026.17105","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this retrospective observational study was to analyse the soft tissue response in patients with cleft lip and palate undergoing maxillary advancement and its correlation with hard tissue changes.</p><p><strong>Material and methods: </strong>A cephalometric analysis and comparison of pre- and postoperative lateral cephalometric radiographs was performed using Dolphin Imaging software (Dolphin Imaging & Management Solutions). A total of 261 lateral cephalometric radiographs (preoperative, immediate postoperative and 6 months postoperative) from 87 patients with cleft lip and palate who underwent maxillary advancement (Le Fort I osteotomy) were analysed. Maxillary advancement was measured and patients were categorized by advancement magnitude. Statistical analysis involved comparison of soft tissue changes across different advancement groups.</p><p><strong>Results: </strong>Overall, significant increases were observed in overjet, overbite, upper lip length, and facial harmony, while nose size decreased. The highest soft/hard tissue ratios were observed with advancements ≤ 5.0 mm. Soft tissue changes were minimal for advancements ≤ 5.0 mm but more pronounced for larger advancements. No significant correlation was found between cephalometric variables and maxillary advancement.</p><p><strong>Conclusions: </strong>Maxillary advancement significantly influences soft tissue changes in patients with cleft lip and palate. Smaller advancements result in minimal soft tissue changes, while larger advancements impact lip thickness and incisor exposure.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 1","pages":"e5"},"PeriodicalIF":1.6,"publicationDate":"2026-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242653/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148206895","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term Assessment of Oral Health-Related Quality of Life Following Surgical Removal of Mandibular Third Molar with Advanced Platelet-rich Fibrin: a Single-blinded Randomized Controlled Trial.","authors":"Thomas Starch-Jensen, Rocco Giordano, Dana Mohammed Alsadi, Niels Henrik Bruun, Lars Arendt-Nielsen","doi":"10.5037/jomr.2026.17101","DOIUrl":"10.5037/jomr.2026.17101","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this single-blinded randomized controlled trial was to test the hypothesis of no difference in long-term oral health-related quality of life following surgical removal of an impacted mandibular third molar with advanced platelet-rich fibrin (test) compared with natural socket healing (control).</p><p><strong>Material and methods: </strong>Eighty patients were randomly allocated to test or control. Patient demographic, mouth opening, wound heling, and neurosensory function were assessed at enrolment (T0), 10 days (T1), 30 days (T2), and one-year (T3) after surgery. Oral health-related quality of life (OHRQoL) was evaluated by OHIP-14 and SF-36 questionnaires.</p><p><strong>Results: </strong>There was no statistically significant difference between test and control in patient demographic, mouth opening, and wound heling at T0-T3, as well as oral health impact profile-14 (OHIP-14) at T1, T2, and T3 (P = 0.35; P = 0.086; P = 0.19), or SF-36 at T3 (P = 0.85). OHIP-14 score was significantly higher at T1 compared with T0 in test and control (P < 0.001), indicating impaired OHRQoL immediately after surgical removal of an impacted mandibular third molar, whereas OHIP-14 score was significant lower in test and control at T3 compared with T0 (P < 0.001), indicating improved long-term OHRQoL. SF-36 score was significantly higher at T3 compared with T0 in control (P = 0.009), indicating improved OHRQoL, while test revealed no significant difference (P = 0.79).</p><p><strong>Conclusions: </strong>This study demonstrates that surgical removal of an impacted mandibular third molar is associated with long-term improvement in oral health-related quality of life. However, application of advanced platelet-rich fibrin in the extraction socket does not have a beneficial effect on oral health-related quality of life compared with natural socket healing.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 1","pages":"e1"},"PeriodicalIF":1.6,"publicationDate":"2026-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242655/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148206935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Laboratory Evaluation of Fracture Resistance and Deformation Analysis of One Curve™ and NeoNiTi™ Systems in Double-Curvature Canals.","authors":"Babak Mobaraki, Mehri E Mobaraki-Omoumi","doi":"10.5037/jomr.2026.17104","DOIUrl":"10.5037/jomr.2026.17104","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this <i>in vitro</i> experimental study was to evaluate the fracture resistance of One Curve™ (Micro-Mega) and NeoNiTi™ (Neolix) during the preparation of simulated canals with severe curvature.</p><p><strong>Material and methods: </strong>A total of 120 resin blocks with simulated double-curved canals were randomly divided into two groups and prepared using One Curve™ and NeoNiTi™ files, following manufacturer guidelines. Each set of files cleaned and shaped five canals, was sterilized after each use, and had deformation occurrences recorded. The files were used until fracture, and failure time was measured with a digital stopwatch to calculate the number of rotations before fracture. The lengths of broken file segments were recorded, and statistical analysis was performed using an independent t-test.</p><p><strong>Results: </strong>Deformation occurred in 1 (8.33%) and 5 (20.83%) of One Curve™ and NeoNiTi™ A1 files, respectively (P < 0.05). The average number of rotations until fracture for NeoNiTi™ A1 was significantly lower than that of One Curve™ files (P < 0.05). No statistically significant difference was observed in fractured segment lengths between the two groups.</p><p><strong>Conclusions: </strong>One Curve™ files demonstrated superior resistance to cyclic fatigue compared to NeoNiTi™ A1 files in double-curvature canals, suggesting their potential advantage in clinical applications requiring enhanced durability.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 1","pages":"e4"},"PeriodicalIF":1.6,"publicationDate":"2026-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13242656/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148206915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence and Anatomical Variations of the <i>Canalis Sinuosus</i> in a Lithuanian Population Using Cone-Beam Computed Tomography: a Retrospective Study.","authors":"Agnė Baliutavičiūtė, Ernesta Jančauskaitė, Julius Maminskas, Audra Janovskienė, Dainius Razukevičius, Povilas Daugėla","doi":"10.5037/jomr.2026.17103","DOIUrl":"10.5037/jomr.2026.17103","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this retrospective study was to examine the prevalence of the <i>canalis sinuosus</i>, its anatomical variations, and the relationship between its opening sites and the anterior teeth in the Lithuanian population.</p><p><strong>Material and methods: </strong>A retrospective cross-sectional analysis of cone-beam computed tomography (CBCT) scans including the full maxillary arch of adult patients was performed. The <i>canalis sinuosus</i> (CS) presence, distribution, opening diameter, and distances to surrounding anatomical landmarks were measured and compared by side, sex, and age groups using CS 3D Imaging software (Carestream Inc.).</p><p><strong>Results: </strong>Among 200 CBCT scans, CS was identified in 73% of subjects (365 canals), with bilateral presentation in 63% and predominantly palatal openings (96.7%). Most canals measured < 1 mm (88.7%) and median CS diameter was significantly greater on the right than on the left (0.78 [SD] vs. 0.7 [SD] mm; P = 0.034). Males exhibited significantly larger CS diameters and greater CS-nasal cavity floor and CS-buccal cortical bone distances bilaterally (P < 0.05). CS was most frequently located in the central and lateral incisor regions. No significant association was observed between CS location and sex or between age groups and CS dimensions or location; however, unilateral occurrence was more frequent in the age group of 18 to 30 years (P = 0.002).</p><p><strong>Conclusions: </strong>The <i>canalis sinuosus</i> is a frequent anatomical structure in the anterior maxilla, most often presenting bilaterally with palatal openings. Sex-related differences were observed, whereas age showed no significant effect on canal dimensions.</p>","PeriodicalId":53254,"journal":{"name":"eJournal of Oral Maxillofacial Research","volume":"17 1","pages":"e3"},"PeriodicalIF":1.6,"publicationDate":"2026-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13244575/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148213282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}