Oral Radiology最新文献

{"title":"Temporomandibular joint involvement in patients with Juvenile Idiopathic Arthritis: comparison of ultrasonography and magnetic resonance imaging in assessing the periarticular space width.","authors":"Ingrid Tonni,&nbsp;Giulia Fossati,&nbsp;Maria Luisa Garo,&nbsp;Maria Grazia Piancino,&nbsp;Marco Cattalini,&nbsp;Luca Visconti,&nbsp;Andrea Borghesi","doi":"10.1007/s11282-023-00696-5","DOIUrl":"10.1007/s11282-023-00696-5","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to compare the performance of Ultrasonography (US) and Magnetic Resonance Imaging (MRI) in assessing the Lateral Periarticular Space (LPAS) of Temporomandibular Joints (TMJs) in patients with Juvenile Idiopathic Arthritis (JIA).</p><p><strong>Methods: </strong>The LPAS width was evaluated in two different patient groups. In the JIA group, including 29 children (13 ± 2.8 years) with JIA, the LPAS width was measured with both MRI and US. In the healthy group, including 28 healthy children (12.6 ± 2.5 years), the LPAS width was measured only with US. Comparisons of LPAS width based on patient groups and TMJ contrast enhancement in MRI were evaluated by applying the Mann-Whitney U test. Correlation and agreement between MRI and US measurements in JIA group were tested using Spearman rank correlation and Bland-Altman method.</p><p><strong>Results: </strong>The LPAS width was significantly greater in the JIA group than in the healthy group. In the JIA group, the LPAS width was significantly greater in TMJs with moderate/severe enhancement than those with mild enhancement. A positive significant correlation between MRI and US measurements of LPAS width was found in the JIA group. In the same group, Bland-Altman method showed a good level of agreement between MRI and US measurements.</p><p><strong>Conclusion: </strong>Although, US cannot replace MRI in the evaluation of TMJ in patients with JIA, US could be used as a supplementary imaging method to MRI in assessing the TMJ disease.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10504125/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10627983","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The effect of ultrasonic access cavity preparation on dentinal inner walls: a micro-CT study on cadaveric samples.","authors":"C Zogheib,&nbsp;R Roumi,&nbsp;A Baldi,&nbsp;P Palopoli,&nbsp;D Pasqualini,&nbsp;E Berutti,&nbsp;M Alovisi","doi":"10.1007/s11282-023-00680-z","DOIUrl":"10.1007/s11282-023-00680-z","url":null,"abstract":"<p><strong>Objective: </strong>The objective of this study is to evaluate the occurrence of coronal dentinal micro-cracks after access cavity refinement using high-speed burs and ultrasonic tips by means of micro-computed tomography (micro-CT) analysis.</p><p><strong>Methods: </strong>In this study, 18 mandibular cadaveric incisors were divided into two groups according to the protocol of the preparation of the conventional access cavity. The diamond bur 802 # 12 was used until the perforation of the pulp roof. Then, the Endo-Z bur was used for the group #1 and the ultrasonic tip Start-X # 1 for the group #2 to finish and refine the access cavity. The preparation time of each access cavity has been recorded. The teeth underwent a micro-CT scan before and after the preparation of the access cavity. Fisher's exact test, the Chi-square test, the Kolmogorov-Smirnov test, the Mann-Whitney test, and the Student's test were used for statistical evaluation.</p><p><strong>Results: </strong>The percentage of teeth with new micro-cracks is not significantly different between the two groups (-p-value < 0.5). The number of newly formed micro-cracks and extension size were not significantly different between the two groups. The direction of extension of the micro- cracks was occluso-apical. The average duration of the access cavity is significantly smaller with the Endo-Z system (-p- value < 0.001). The roughness of walls surfaces has no statistically difference between the two groups.</p><p><strong>Conclusion: </strong>The use of ultrasound, although slower, is considered safe in the creation of dentinal micro-cracks, in the preparation of the access cavity.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10271246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Patient safety incidents in dentomaxillofacial imaging: reported adverse events from Hospital District Helsinki and Uusimaa and the City of Helsinki during 2012-2017.","authors":"Marianne Suuronen,&nbsp;Taina Autti,&nbsp;Lasse Lehtonen","doi":"10.1007/s11282-023-00709-3","DOIUrl":"10.1007/s11282-023-00709-3","url":null,"abstract":"","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10504203/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10631492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the effect of sickle cell disease on the mandibular bone of children and adolescents by image texture and radiomorphometric analysis.","authors":"Katibe Tugce Temur,&nbsp;Guldane Magat,&nbsp;Melis Yılmaz,&nbsp;Sevgi Ozcan","doi":"10.1007/s11282-023-00704-8","DOIUrl":"10.1007/s11282-023-00704-8","url":null,"abstract":"<p><strong>Objectives: </strong>Sickle cell disease (SCD) can cause osteoporotic changes in the jaw bones. In this study, it was aimed to evaluate possible bone changes using fractal analysis (FA) and morphometric analyses in dental panoramic radiographs of children and adolescents diagnosed with both homozygous and heterozygous forms of SCD.</p><p><strong>Methods: </strong>Sixty-five individuals (33 SCD, 32 controls) aged 6-17 years were included in the study. Four separate areas of interest (ROI) were selected for the right and left sides of all panoramic radiographs, and the FA value of the ROIs was calculated. Mandibular cortical width (MCW), panoramic mandibular index (PMI) and mandibular cortical index (MCI) and were evaluated. Data were statistically analyzed and p < 0.05 was accepted for statistical significance.</p><p><strong>Results: </strong>Fractal values of right and left ROI1 (the center of the mandibular angle.) and ROI4 (the cortical bone), and right ROI2 (the middle of the mandibular ramus) were statistically lower in the case group (p < 0.05). Right ROI2 and ROI4 fractal values of individuals in the case group were lower than those on the left side (p < 0.05). While MCI categories did not differ from the case-control group (p > 0.05), PMI and MCW values were lower in the case group (p < 0.05). All evaluated parameters did not differ according to age and gender (p > 0.05).</p><p><strong>Conclusion: </strong>The results of this study showed that SCD affects the mandible. FA, MCW and PMI parameters can be used to detect early osteoporotic changes in the disease.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10646972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Transfer learning in diagnosis of maxillary sinusitis using panoramic radiography and conventional radiography.","authors":"Shinya Kotaki,&nbsp;Takahito Nishiguchi,&nbsp;Marino Araragi,&nbsp;Hironori Akiyama,&nbsp;Motoki Fukuda,&nbsp;Eiichiro Ariji,&nbsp;Yoshiko Ariji","doi":"10.1007/s11282-022-00658-3","DOIUrl":"https://doi.org/10.1007/s11282-022-00658-3","url":null,"abstract":"<p><strong>Objectives: </strong>To clarify the performance of transfer learning with a small number of Waters' images at institution B in diagnosing maxillary sinusitis, based on a source model trained with a large number of panoramic radiographs at institution A.</p><p><strong>Methods: </strong>The source model was created by a 200-epoch training process with 800 training and 60 validation datasets of panoramic radiographs at institution A using VGG-16. One hundred and eighty Waters' and 180 panoramic image patches with or without maxillary sinusitis at institution B were enrolled in this study, and were arbitrarily assigned to 120 training, 20 validation, and 40 test datasets, respectively. Transfer learning of 200 epochs was performed using the training and validation datasets of Waters' images based on the source model, and the target model was obtained. The test Waters' images were applied to the source and target models, and the performance of each model was evaluated. Transfer learning with panoramic radiographs and evaluation by two radiologists were undertaken and compared. The evaluation was based on the area of receiver-operating characteristic curves (AUC).</p><p><strong>Results: </strong>When using Waters' images as the test dataset, the AUCs of the source model, target model, and radiologists were 0.780, 0.830, and 0.806, respectively. There were no significant differences between these models and the radiologists, whereas the target model performed better than the source model. For panoramic radiographs, AUCs were 0.863, 0.863, and 0.808, respectively, with no significant differences.</p><p><strong>Conclusions: </strong>This study performed transfer learning using a small number of Waters' images, based on a source model created solely from panoramic radiographs, resulting in a performance improvement to 0.830 in diagnosing maxillary sinusitis, which was equivalent to that of radiologists. Transfer learning is considered a useful method to improve diagnostic performance.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9590988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the effect of antiepileptic drugs on mandibular bone quality by fractal analysis.","authors":"Berkhas Tumani Üstdal,&nbsp;Damla Soydan Çabuk,&nbsp;Aykağan Coşgunarslan,&nbsp;Burcu Evlice,&nbsp;Ahmet Evlice","doi":"10.1007/s11282-023-00671-0","DOIUrl":"https://doi.org/10.1007/s11282-023-00671-0","url":null,"abstract":"<p><strong>Objectives: </strong>Antiepileptic drugs (AEDs) are used to control seizures in epilepsy and their long-term use is common. AED use has been associated with decreased bone mineral density. The aim of this study is to determine the effect of AEDs on mandibular bone quality using fractal analysis and panoramic morphometric indices.</p><p><strong>Methods: </strong>In this study, dental and medical records of 132 patients (66 AED users and 66 control group) were used. Fractal analysis (FA), the panoramic mandibular index (PMI), mandibular cortical width (MCW), and Klemetti index (KI) measurements were performed on panoramic radiographs.</p><p><strong>Results: </strong>In all metrics, the mean values of the study group were significantly lower than the control group (p < 0.000). There is a statistically significant difference between the study and control groups in terms of KI distribution (p < 0.000). The mean fractal dimension (FD) values in each measured region of the female patients in the study group were found to be significantly lower than the female patients in the control group (p < 0.05). The mean FD values measured in ROI-2 and ROI-3 of male patients in the study group were found to be significantly lower than male patients in the control group (p < 0.05).</p><p><strong>Conclusion: </strong>The side effects of AEDs on bone metabolism were shown in this study. Dentists examining patients with epilepsy should be careful about osteoporotic changes in the jaws.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9591036","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Correction: Evaluation of maxillary sinus dimensions and volume using cone beam computed tomography in patients with unilaterally displaced palatal and buccal maxillary canines.","authors":"Elham S Abu Alhaija,&nbsp;Ahed M AlWahadni,&nbsp;Akram Al-Tawachi,&nbsp;Saba O Daher,&nbsp;Hasan O Daher","doi":"10.1007/s11282-023-00674-x","DOIUrl":"https://doi.org/10.1007/s11282-023-00674-x","url":null,"abstract":"","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10244261/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9969558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Proximity of healthy posterior teeth to the maxillary sinus floor in relation to mucosal thickening: a CBCT study.","authors":"Eman A B Aguori,&nbsp;Nilüfer Ersan,&nbsp;Zehra S Dölekoğlu,&nbsp;Dilhan Ilgüy","doi":"10.1007/s11282-022-00666-3","DOIUrl":"https://doi.org/10.1007/s11282-022-00666-3","url":null,"abstract":"<p><strong>Objectives: </strong>To evaluate the relationship between proximity of the root apices of healthy maxillary posterior teeth to the maxillary sinus floor (MSF) and mucosal thickening (MT) of the MSF using cone beam computed tomography (CBCT).</p><p><strong>Methods: </strong>Eighty-four CBCT images obtained from the patients, aged between 20 and 70 years with healthy and fully dentate maxillary posterior sextants, were included. The anatomical relationship between root apices of maxillary posterior teeth and MSF, was evaluated: (Type 1: no contact, Type 2: at least one root apex in contact, Type 3: at least one root apex protruding into MSF). Besides, MT of the MSF was measured from the thickest region. The patients were categorized into two groups based on the absence (≤ 2 mm) or the presence (2 < mm) of MT. Statistical significance was accepted at p < 0.05.</p><p><strong>Results: </strong>Intraexaminer consistency demonstrated an excellent agreement (p < 0.05). The prevalence of Type 1, 2, and 3 proximity were found as 26 (15.5%), 61 (36.3%), and 81 (48.2%); respectively. Overall, 62 (36.9%) maxillary sinuses demonstrated MT (2 < mm, mean: 8.6 ± 7.5 mm). The prevalence and mean values of MT (2 < mm) were not found to be statistically significantly different in terms of sex and proximity types (p > 0.05). Logistic regression analysis results were not found to be statistically significant (p > 0.05).</p><p><strong>Conclusion: </strong>The proximity of healthy maxillary posterior teeth to the MSF was not found to be a contributing factor for the MT of the MSF. Further studies with larger samples, taking the other factors causing MT into consideration, are needed.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9646831","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Comparison of magnetic resonance imaging findings in patients with intermittent closed lock and acute closed lock of the temporomandibular joint: a cross-sectional retrospective study.","authors":"Namiaki Takahara,&nbsp;Satoshi Nakagawa,&nbsp;Kanako Sumikura,&nbsp;Tetsuya Yoda","doi":"10.1007/s11282-022-00659-2","DOIUrl":"https://doi.org/10.1007/s11282-022-00659-2","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to estimate the disc status in intermittent closed lock (ICL) and permanent closed lock (CL) temporomandibular disorders (TMDs) to test the hypothesis that the disc morphology and degree of anterior disc displacement affect the outcomes of these disorders.</p><p><strong>Materials and methods: </strong>All patients were clinically examined according to the Diagnostic Criteria for Temporomandibular Disorders Axis I protocol, and magnetic resonance imaging (MRI) confirmed ICL and CL. Fifty-six joints of 56 patients with ICL and 110 joints of 110 patients with acute CL with a locking period of less than 3 months were included. Patients with acute CL were further classified into two groups: those with CL that could be successfully manipulated (CLs group) and those with acute CL without the possibility of unlocking (CLu group). MRI was used to assess the degree of anterior displacement, lateral displacement of the disc, disc deformity, and joint effusion. MRI findings were compared among the joints in the ICL, CLs, and CLu groups.</p><p><strong>Results: </strong>The degree of anterior displacement and disc deformity prevalence significantly differed among the ICL, CLs, and CLu groups. No significant intergroup differences were observed in terms of lateral displacement or joint effusion.</p><p><strong>Conclusions: </strong>These results suggest that anteriorly displaced discs and deformation of discs associated with TMD progression affect disc reducibility.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9965077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Awareness and practice of dentomaxillofacial imaging among paediatric dentists: a questionnaire survey of members of the European Academy of Paediatric Dentistry.","authors":"Sotiria Gizani, Kyriaki Seremidi, Sofia Gkourtsogianni, Anastasia Mitsea","doi":"10.1007/s11282-023-00675-w","DOIUrl":"10.1007/s11282-023-00675-w","url":null,"abstract":"<p><strong>Objectives: </strong>Assess knowledge, attitudes and practices of paediatric dentists towards dentomaxillofacial imaging and correlate findings with practitioner and practice-specific characteristics.</p><p><strong>Methods: </strong>An online questionnaire was sent to all paediatric dentists who attended a scientific seminar organized by the European Academy of Paediatric Dentistry (EAPD) regarding dental radiology. Data regarding available equipment, number, type and reason for performing radiographs, frequency and reasoning for retakes were collected. Data analysis was performed according to practitioner- and practice-specific characteristics and factors directly associated with the type and frequency of radiographs taken, and reason and frequency of repeats were determined. Significant differences were tested using Chi-square and Fisher's exact test. Statistical significance was set at p < 0.05.</p><p><strong>Results: </strong>More than half of the participants (58%) reported having digital radiographic equipment and almost 1/4 (23%) conventional. A panoramic equipment was available in 39% working places and a CBCT scanner in 41%. Two thirds of the participants reported taking up to 10 intra-oral radiographs per week, mainly for trauma (75%) and caries diagnosis (47%). Extra-oral radiographs were prescribed to monitor development (75%) and for orthodontic evaluation, (63%) with a frequency of less than 5 weekly (45%). Participants reported that they repeat radiographs in a frequency of < 5 per week (70%) mainly due to patient's movement (55%).</p><p><strong>Conclusions: </strong>The majority of paediatric dentists within Europe use digital imaging equipment for both intra- and extra-oral radiographs. Nevertheless, great variation in practices exists and, therefore, continuous education in oral imaging is crucial to maintain high quality standards for the radiographic examination of patients.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9647334","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}