Acta Odontologica Scandinavica最新文献

{"title":"Operator-related low diagnostic quality in bitewing examinations performed with sensors.","authors":"Daniel Olsson, Eva Levring Jäghagen, Maria Garoff","doi":"10.2340/aos.v85.46001","DOIUrl":"https://doi.org/10.2340/aos.v85.46001","url":null,"abstract":"<p><strong>Objective: </strong>Bitewing radiographs are essential for caries and marginal bone diagnostics. Diagnostic quality depends on operator technique. This study evaluated patient-level diagnostic quality of sensor-based bitewing examinations to identify operator-related deficiencies.</p><p><strong>Material and methods: </strong>In this retrospective, cross-sectional study, 962 bitewing examinations from 31 Swedish public dental practices were randomly selected and evaluated for caries and marginal bone level diagnostic image quality, according to European guidelines. Available panoramic/periapical images acquired in connection with the bitewing examinations were included in a second quality assessment. Recorded deficiencies included sensor placement, collimation artifacts, and insufficient biting on the sensor holder. Associations between diagnostic quality and sensor size, number of images, age group, jaw, side, and sex were analyzed using χ2 test and logistic regression. Three calibrated examiners performed the evaluations.</p><p><strong>Results: </strong>The requirements were fulfilled in 5% and acceptable in 43% of the bitewing examinations, increasing to 7% and 45% when including panoramic/periapical images. Quality was better with larger sensor sizes (p < 0.001), more exposures (p < 0.001), panoramic/periapical images (p < 0.001), age ≥12 years (p < 0.001), and in the maxilla (p < 0.001). Common errors were incorrect sensor placement (94%), collimation artifacts (57%), and insufficient biting (15%). No differences were found between side or sex. Inter-observer agreement was substantial (Fleiss' kappa = 0.61; Gwet's AC1 = 0.62); intra-observer agreement was almost perfect (Cohen's kappa = 0.88).</p><p><strong>Conclusions: </strong>Most bitewing examinations, especially in children, fail to meet diagnostic requirements due to deficient operator performance and quality assessment. Panoramic/periapical images may improve diagnostic quality but should not replace optimized bitewing examinations. Targeted continuing education is required.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"245-253"},"PeriodicalIF":1.9,"publicationDate":"2026-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessment of impacted canine patterns and correlations with craniofacial discrepancy.","authors":"Salma Abbas, Lale Taner, Orhan Özdiler, Erhan Özdiler","doi":"10.2340/aos.v85.45907","DOIUrl":"10.2340/aos.v85.45907","url":null,"abstract":"<p><strong>Objective: </strong>The objective of this study was to determine the prevalence, spatial patterns, and craniofacial skeletal associations of impacted maxillary canines using panoramic and cephalometric analyses in a large patient cohort.</p><p><strong>Materials and methods: </strong>This retrospective cross-sectional study evaluated 9593 panoramic radiographs of individuals aged ≥ 14 years. Cephalometric analysis was achieved on subjects aged ≥ 18 years with skeletal maturity (Cervical Vertebral Maturation Index stage ≥ 6), comparing 94 cases with maxillary impacted canines (MIC) to 100 age- and sex-matched controls. Positional measurements (sector, depth, and angulation) were compared with skeletal patterns using independent t-tests, analysis of variance, and chi-square tests (α = 0.05).</p><p><strong>Results: </strong>Analysis revealed a maxillary canine impaction prevalence of 2.02%, with a significant female predilection (54.1%) and a maxilla-to-mandible ratio of 4:1. The predominant spatial pattern was mesioangular inclination (67%) in Sector 0 (35.2%) at coronal depth (54.1%). Compared to controls, MIC cases exhibited significant maxillary skeletal deficiency (e.g., anterior nasal spine - posterior nasal spine [ANS-PNS]: 50.1 ± 5.1 mm vs. 53.1 ± 3.7 mm; p < 0.001) and vertical hyperdivergence (Sella-Nasion to Gonion-Gnathion angle [SN-GoGn]: 32.8° ± 6.2 vs. 29.8° ± 6.4; p = 0.001). Upper incisor inclination showed no intergroup difference.</p><p><strong>Conclusions: </strong>Maxillary canine impaction is strongly associated with maxillary skeletal deficiencies and vertical growth discrepancies. The common finding of mesioangular impactions in Sector 0 at coronal depth indicates a high risk for adjacent root resorption. We recommend incorporating cephalometric screening (focusing on ANS-PNS < 50 mm and SN-GoGn > 32°) into early adolescent assessments to identify at-risk patients and guide timely interceptive strategies such as maxillary expansion.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"238-244"},"PeriodicalIF":1.9,"publicationDate":"2026-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13154143/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147832308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Relationship between the efficacy of micro-implant-assisted rapid maxillary arch expansion and maturation of the midpalatal sutures.","authors":"Suna Li, Jincong Tian, Yuanyuan Li, Wenshang Song","doi":"10.2340/aos.v85.45902","DOIUrl":"10.2340/aos.v85.45902","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the relationship between the efficacy of micro-implant-assisted rapid palatal expansion (MARPE) and the degree of midpalatal suture (MBT) fusion.</p><p><strong>Methods: </strong>Forty patients with maxillary transverse hypoplasia from Hengshui People's Hospital from January 2022 to August 2024 were recruited for MARPE treatment. These patients were divided into unfused (stages B and C, n = 18), initiation fusion (stage D, n = 10), and complete fusion groups (stage E, n = 12) according to the degree of MBT fusion based on the staging method for palatal sutures. Cone beam computed tomography (CT) and gypsum models were created before and on the day after arch expansion. The differences in maxilla, alveolar bone, tooth, and bony arch expansion efficiency between the three groups were measured and compared.</p><p><strong>Results: </strong>The success rates of arch expansion in the unfused, initial fusion, and complete fusion groups were 100%, 100%, and 83.3%, respectively. Expansion of the MBT in the first molar position was 4.11 ± 1.10 mm, 4.07 ± 0.42 mm, and 2.18 ± 0.66 mm in the unfused, initial fusion, and complete fusion groups, respectively (P < 0.05). The corresponding bony arch expansion efficiency was 58.82 ± 6.56%, 54.58 ± 8.65%, and 37.88 ± 4.36%, respectively, without statistical difference (P > 0.05).</p><p><strong>Conclusion: </strong>Patients with different degrees of MBT confluence and treated with MARPE had significant differences. Observation of the degree of MBT fusion before arch expansion predicts MARPE efficacy.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"229-237"},"PeriodicalIF":1.9,"publicationDate":"2026-05-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13151780/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147809599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Association of Crohn's disease with periodontal disease risk and severity: a meta-analytic study.","authors":"Yanyan Jin, Songhai Duan, Weidong Chu, Weijia Shen","doi":"10.2340/aos.v85.45706","DOIUrl":"10.2340/aos.v85.45706","url":null,"abstract":"<p><strong>Background: </strong>Crohn's disease (CD) is a chronic inflammatory disorder with systemic manifestations, including potential effects on oral health. Evidence regarding its association with periodontal disease remains inconsistent.</p><p><strong>Methods: </strong>We systematically searched PubMed, Embase, Web of Science, Scopus, Cochrane Library, CNKI, and WanFang Data up to August 28, 2025, for observational studies comparing periodontal -outcomes in adults with CD and non-inflammatory bowel diseases controls. Random-effects meta--analyses were -performed to estimate pooled odds ratios (ORs) for prevalence and standardized mean differences (SMDs) for clinical parameters. Subgroup and sensitivity analyses were conducted.</p><p><strong>Results: </strong>Thirty-four studies, including 6482 CD patients and 9137 controls, were analyzed. CD was -associated with a higher risk of periodontitis (OR = 2.14, 95% confidence interval [CI]: 1.65-2.77). Clinical periodontal parameters were also significantly worse in CD patients: probing depth (SMD = 0.42), clinical attachment loss (CAL) (SMD = 0.50), bleeding on probing (SMD = 0.47), plaque index (SMD = 0.39), and gingival index (SMD = 0.31). Associations were stronger in European populations and in studies using CAL criteria. Sensitivity analyses confirmed the robustness of results.</p><p><strong>Conclusions: </strong>CD is associated with increased prevalence and severity of periodontal disease. These -findings support routine periodontal screening and integrated multidisciplinary management for CD patients, highlighting shared inflammatory pathways as potential therapeutic targets.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"212-218"},"PeriodicalIF":1.9,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13139894/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147759459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Erosive tooth wear and its associated factors by tooth surfaces among a group of Finnish adults: a pilot study.","authors":"Hanna Kangasmaa, Viivi Alaraudanjoki, Liisa Puhakka, Tarja Tanner, Hannu Vähänikkilä, Vuokko Anttonen, Adrian Lussi, Juha Saarnio, Marja-Liisa Laitala","doi":"10.2340/aos.v85.45781","DOIUrl":"10.2340/aos.v85.45781","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to investigate erosive tooth wear (ETW) in different teeth and tooth surfaces among a group of Finnish adults, and to investigate the association between different risk factors and the manifestation of ETW in different parts of the dentition.</p><p><strong>Materials and methods: </strong>This cross-sectional study consisted of a questionnaire and a clinical oral examination. A total of 246 participants were invited to participate in the study. Respondents were asked about their gender, age, as well as their drinking and dietary habits. The presence of ETW on the oral, occlusal, and buccal surfaces of each tooth was recorded using the basic erosive wear examination (BEWE).</p><p><strong>Results: </strong>The study population consisted of 176 participants, of which 64% were female. Of all the respondents, 98.3% had signs of ETW. ETW was most frequent on occlusal surfaces. ETW on buccal, occlusal and oral upper and lower surfaces was significantly associated with the duration of erosive drink consumption (p = 0.009), the amount of erosive food consumed (p = 0.007), and the frequency of erosive food consumption (p < 0.001).</p><p><strong>Conclusions: </strong>Among the studied Finnish adult population, ETW seems to be common. There seem to be different risk factors that affect ETW on different tooth surfaces.</p><p><strong>Clinical relevance: </strong>The association between ETW on different tooth surfaces and specific extrinsic factors provides new scientific knowledge for clinicians. When evaluating ETW, risk factors such as the frequency, duration, and amount of consumption must be taken into account.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"219-228"},"PeriodicalIF":1.9,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13153745/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147759537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Response to the Letter to the Editor by Prof. Dr. Aydin Gülses regarding our article 'The effect of age on third molar extraction difficulty: A retrospective cross-sectional cohort study'.","authors":"Abiel Noro, Johanna Snäll, Irja Ventä","doi":"10.2340/aos.v85.45935","DOIUrl":"10.2340/aos.v85.45935","url":null,"abstract":"<p><p>This is a response to the article \"Comments on ´'The effect of age on third molar extraction difficulty: a retrospective cross-sectional cohort study' - Danger in describing 'simplicity' in third molar surgery\" https://doi.org/10.2340/aos.v85.45933.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"210-211"},"PeriodicalIF":1.9,"publicationDate":"2026-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13137083/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147759490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comments on \"The effect of age on third molar extraction difficulty: a retrospective cross-sectional cohort study\" - Danger in describing 'simplicity' in third molar surgery.","authors":"Aydin Gülses","doi":"10.2340/aos.v85.45933","DOIUrl":"10.2340/aos.v85.45933","url":null,"abstract":"<p><p>This is a comment on the article \"The effect of age on third molar extraction difficulty: a retrospective cross-sectional cohort study\" https://doi.org/10.2340/aos.v85.45308.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"209"},"PeriodicalIF":1.9,"publicationDate":"2026-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13137084/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147759462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring dental professionals' experiences of interprofessional collaboration with home care services.","authors":"Ingrid Volden Klepaker, Lena Fauske, Marte-Mari Uhlen-Strand","doi":"10.2340/aos.v85.45934","DOIUrl":"https://doi.org/10.2340/aos.v85.45934","url":null,"abstract":"<p><strong>Aim: </strong>To explore dental professionals' experiences of interprofessional collaboration between the public dental service (PDS) and home care services (HCS) in Norway, with a focus on how structural, legal, and professional factors influence access to preventive oral health care for HCS users.</p><p><strong>Materials and methods: </strong>A qualitative design was applied, informed by phenomenological and hermeneutical approaches. Eight semi-structured interviews were conducted with dental professionals in PDS in Eastern Norway. Data were analyzed thematically using an inductive approach.</p><p><strong>Results: </strong>Three main themes were identified: (1) Systemic and practical barriers, including fragmented administrative structures, outdated legislation, and lack of shared digital infrastructure; (2) Challenges in interprofessional collaboration, such as weak institutional anchoring, unclear role expectations, and low prioritization of oral health within HCS; (3) Prevention of oral disease, wherein participants emphasized the need for early intervention, continuity, and integration of oral health into daily care routines. Joint home visits and stable interprofessional relationships were highlighted as promising.</p><p><strong>Conclusion: </strong>Despite national strategies supporting integrated care, structural fragmentation and role ambiguity hinder effective collaboration. Strengthening interprofessional frameworks, updating legislation, and improving digital systems are needed to enhance access to preventive oral health care services. Oral health must be recognized as a shared responsibility across health services.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"200-208"},"PeriodicalIF":1.9,"publicationDate":"2026-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13123240/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147759522","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnostic performance of swept-source optical coherence tomography in the detection of tooth cracks: a narrative review.","authors":"Anfal AlQussier","doi":"10.2340/aos.v85.45800","DOIUrl":"10.2340/aos.v85.45800","url":null,"abstract":"<p><strong>Objectives: </strong>Tooth cracks are among the most common clinical findings that can affect the prognosis of the tooth. The swept-source optical coherence tomography (SS-OCT) is a non-invasive technique that was developed to identify cracks or fractures. Even though the diagnostic value of SS-OCT has been studied by several researchers, the available evidence is still inconclusive. This review aims to evaluate the reported performance of SS-OCT in detecting tooth cracks and to identify factors described in the literature that may affect it.</p><p><strong>Materials and methods: </strong>An electronic search was conducted on PubMed, Scopus, Web of Science, and Google Scholar to extract and review the English articles published between January 2012 and December 2024. The keywords were optical coherence tomography, swept-source OCT, SS-OCT, tooth crack, dental crack, enamel crack, dentin crack, and fracture detection. Studies published in English that investigated SS-OCT for the detection of enamel, dentin, or root cracks were included, whereas review articles, non-​dental OCT studies, and studies focusing solely on other diagnostic methods were excluded.</p><p><strong>Results: </strong>The literature search identified 121 articles; 14 of them met the criteria and were included. Out of the 14 included articles, only one clinical article was included.</p><p><strong>Conclusions: </strong>The SS-OCT is a non-invasive and radiation-free imaging method for detecting tooth cracks, with higher diagnostic performance reported for enamel cracks. However, its performance in deeper dentin and root cracks appears to be affected by light penetration limitations and light scattering. Further technological development and well-designed clinical studies are needed to clarify its clinical utility.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"190-199"},"PeriodicalIF":1.9,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13093247/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147687362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of occlusal deviations and orthodontic treatment in the Northern Finland Birth Cohort of 1986.","authors":"Teresa Kovanen, Elisa Tervahauta, Ville Vuollo, Anna-Sofia Silvola","doi":"10.2340/aos.v85.45758","DOIUrl":"10.2340/aos.v85.45758","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the prevalence of occlusal deviations and received orthodontic treatment in a Finnish adult population, and to assess variation by sex.</p><p><strong>Materials and methods: </strong>The data (n = 1,746) are part of the Northern Finland Birth Cohort 1986 (NFBC1986). A clinical oral examination, including 3D intraoral scanning and self-completed questionnaires was carried out when the subjects were 33-35 years old. Registration of occlusion was done in connection with clinical oral examinations and from 3D dental models.</p><p><strong>Results: </strong>Over half of the subjects (52.5%) had received orthodontic treatment, and it was more common among females compared to males. Almost half (47.5%) had at least one occlusal deviation, with the most common deviations being increased overbite ≥ 5 mm (26.3%), increased overjet ≥ 5 mm (9.2%), anterior crossbite at least in one tooth (5.0%), and lateral crossbite (4.9%). The prevalence of occlusal deviations was higher among males and subjects with orthodontic treatment history compared to females and the untreated group.</p><p><strong>Conclusions: </strong>Occlusal deviations and orthodontic treatment history were common, although severe deviations were relatively rare. Occlusal deviations were slightly more prevalent among males and in the treated group, whereas orthodontic treatment history was more common among females.</p>","PeriodicalId":7313,"journal":{"name":"Acta Odontologica Scandinavica","volume":"85 ","pages":"172-178"},"PeriodicalIF":1.9,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13088771/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147687409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}