André Caroli Rocha, Maria Emília Mota, Ricardo Costa Lima, Nayara Fernanda Pereira, Fabio Abreu Alves, Maria Stella Moreira
{"title":"Peri-implant medication-related osteonecrosis of the jaw mimicking endodontic disease in a cancer patient: A case report.","authors":"André Caroli Rocha, Maria Emília Mota, Ricardo Costa Lima, Nayara Fernanda Pereira, Fabio Abreu Alves, Maria Stella Moreira","doi":"10.1111/aej.12893","DOIUrl":"https://doi.org/10.1111/aej.12893","url":null,"abstract":"<p><p>Medication-related osteonecrosis of the jaw (MRONJ) is a progressive condition that can cause significant bone loss and its diagnosis can be challenging. A 68-year-old man with a diagnosis of hepatocellular carcinoma, undergoing treatment with atezolizumab, bevacizumab and zoledronic acid, complained of spontaneous pain in the right lower second premolar. Oral examination revealed no dental changes and implants in the right jaw. A patient history and thorough clinical and radiographic examinations mimic endodontic disease. The implant crowns were removed, bleeding on probing, and peri-implant pockets were observed. The main hypothesis was MRONJ Stage 2, and the surgical treatment was performed. The pain ceased and signs of MRONJ were not observed within 3 months. MRONJ should be considered as a hypothesis in the case of odontalgia and a patient's history of antiresorptive and antiangiogenic therapies. Furthermore, monitoring patients with dental implants in the mandible through detailed clinical and imaging evaluation is required.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142481745","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}
Halil İbrahim Akkoç, Cangül Keskin, Kubilay Aslantaş
{"title":"Dynamic analysis of a NiTi rotary file by using finite element analysis: Effect of cross-section and pitch length.","authors":"Halil İbrahim Akkoç, Cangül Keskin, Kubilay Aslantaş","doi":"10.1111/aej.12892","DOIUrl":"https://doi.org/10.1111/aej.12892","url":null,"abstract":"<p><p>This study assessed stress distribution, maximum stress values and fatigue life of experimentally designed NiTi rotary files with different cross-sectional geometry and pitch length using finite element analysis (FEA). Four cross-sectional shapes (Convex triangle, S-shaped, Triple helix and Concave triangle) and two pitch lengths (2 mm and 3 mm) were tested in simulated root canals with curvatures of 30°, 45° and 60°. The FEA results indicated that convex triangle and triple helix geometries exhibited lower stress values compared to the S-shaped and concave triangle designs. Increasing the canal curvature angle resulted in higher stress values, with the S-shaped instrument showing the most significant increase (up to 12%). Instruments with shorter pitch lengths showed more even stress distribution enhancing fatigue life. The maximum stress was concentrated 5-8 mm from the tip, varying across cutting edges, with S-shaped sections experiencing the lowest forces but higher stress due to lower moments of inertia.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142373647","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}
Nara Sarmento Macedo Signorelli, Sávio Gabriel Silva Rende, Eugenio Luigi Iorio, Danilo Cassiano Ferraz, Luiz Renato Paranhos, Camilla Christian Gomes Moura
{"title":"Identification of oxidative stress biomarkers in apical periodontitis: A scoping review with bibliometric analysis","authors":"Nara Sarmento Macedo Signorelli, Sávio Gabriel Silva Rende, Eugenio Luigi Iorio, Danilo Cassiano Ferraz, Luiz Renato Paranhos, Camilla Christian Gomes Moura","doi":"10.1111/aej.12888","DOIUrl":"https://doi.org/10.1111/aej.12888","url":null,"abstract":"Oxidative stress (OS) is a ubiquitous process for protecting against microorganisms' challenges. This review maps the most used methods for obtaining samples and analysing reactive oxygen species levels in apical periodontitis, following the PRISMA Extension for Scoping Reviews and is registered in Open Science Framework ([https://doi.org/10.17605/OSF.IO/D5U76]). A systematic search was conducted in electronic databases MEDLINE (PubMed), Embase, Scopus, Web of Science, LILACS, SciElo, OATD and DANS up to 17 July 2023. A total of 18 studies were included, with periapical tissue being the most common sample. Twenty-eight different oxidative stress markers were identified, with inducible nitric oxide synthase being the most prevalent. The use of diverse biomarkers for oxidative stress assessment lacks specificity in identifying particular OS species for evaluating apical periodontitis and potential systemic effects. Studies are necessary to compare results obtained from less invasive methods (such as saliva and crevicular fluid) with those from periapical lesion samples.","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":"15 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142251583","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}
Julia Bradshaw, Bill Kahler, Shanika Nanayakkara, Neeta Prabhu
{"title":"Permanent tooth avulsions: A retrospective analysis of the demographics and aetiology of cases at a tertiary hospital in Sydney, Australia","authors":"Julia Bradshaw, Bill Kahler, Shanika Nanayakkara, Neeta Prabhu","doi":"10.1111/aej.12891","DOIUrl":"https://doi.org/10.1111/aej.12891","url":null,"abstract":"This retrospective analysis reviewed the demographics of patients sustaining dental avulsion injuries at a tertiary dental hospital in Sydney, Australia. Data were extracted from dental records of patients who presented with avulsed permanent anterior teeth and were treated between 1 January 2001 and 30 June 2021. Demographic, clinical and radiographic data from 91 patients with 117 avulsed permanent anterior teeth were available for analysis. The median age of the patients was 12 years (IQR 9.0–17.0). Males accounted for 68.4% of avulsion injuries. Non-organised sports were the most common cause of injury (42.7%). Maxillary central incisors were the most frequently avulsed tooth (83.3%). Peak prevalence of injuries occurred on the weekend. The findings from this study may reflect regional factors such as climate and participation in sport. Anticipatory guidance should be provided to patients at elevated risk of dental avulsion.","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":"1 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142251586","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}
J. Jenisha, K. G. Geeth Deepika, I. Anand Sherwood, A. Azhagu Abirami
{"title":"Survival evaluation of surgical extrusion for the management of complicated crown‐root fractured maxillary incisors: A clinical study","authors":"J. Jenisha, K. G. Geeth Deepika, I. Anand Sherwood, A. Azhagu Abirami","doi":"10.1111/aej.12889","DOIUrl":"https://doi.org/10.1111/aej.12889","url":null,"abstract":"This study aimed to clinically evaluate the survivability of surgically extruded teeth, to assess the success rate and predictable factors pertaining to alterations in both hard and soft tissues adjacent to extruded teeth. A total of 46 complicated crown‐root fractured maxillary central and lateral incisors with >75% tooth structure loss relatively due to trauma were included. Preoperative clinical and radiographic variables were recorded. Single operator performed endodontic treatment before surgical extrusion. Patients were recalled for review at 6, 12, 18, 24 and 36 months. Survivability was assessed using Kaplan–Meier survival analysis. With a mean follow‐up of 2.8 years, survival rate was 95.7%. Mobility observed in only two cases. The crown‐root ratio was favourable (1:2) in all the cases except for five teeth. Only two teeth displayed non‐progressive root resorption. Survival of surgically extruded teeth relies on significant predictors like favourability of CRR and implementation of atraumatic extrusion.","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":"38 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142194329","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":"Micro‐computed tomography evaluation of minimally invasive root canal preparation in 3D‐printed C‐shaped canal","authors":"Nutcha Supavititpattana, Siriwan Suebnukarn, Panupat Phumpatrakom, Kamon Budsaba","doi":"10.1111/aej.12890","DOIUrl":"https://doi.org/10.1111/aej.12890","url":null,"abstract":"This study aimed to evaluate and compare the shaping abilities and minimum dentin thickness of minimally invasive rotary instruments via micro‐computed tomography. Twelve 3D‐printed C‐shaped canal models from a mandibular molar were divided into two groups, and root canals were prepared with either XP‐endo Rise (XR) or TruNatomy (TN) systems. Pre‐ and post‐preparation evaluations included canal volume, prepared area and minimum dentin thickness. No significant differences were found in canal volume change (XR: 22.66 ± 4.28%, TN: 23.02 ± 5.10%), prepared canal area (XR: 31.86 ± 10.72%, TN: 30.26 ± 11.59%) and minimum dentin thickness (XR: 0.30 ± 0.05 mm, TN: 0.28 ± 0.05 mm) between groups (<jats:italic>p</jats:italic> > 0.05). The canal volume change in the middle third was significantly higher than that in the coronal and apical thirds (<jats:italic>p</jats:italic> < 0.05) in both groups. In conclusion, XR demonstrated comparable shaping abilities and minimum dentin thickness to TN in preparing 3D‐printed C‐shaped canals.","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":"29 1","pages":""},"PeriodicalIF":1.6,"publicationDate":"2024-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142194328","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}
Reham Hassan, Maha Nasr, Hams H Abdelrahman, Mohamed G Hassan
{"title":"Sharing endodontic research on social media platforms: Is it effective? A 10-year timeline analysis.","authors":"Reham Hassan, Maha Nasr, Hams H Abdelrahman, Mohamed G Hassan","doi":"10.1111/aej.12887","DOIUrl":"https://doi.org/10.1111/aej.12887","url":null,"abstract":"<p><p>The purpose of this study was to analyse the social media activity related to endodontic research over the last 10-years. All research articles published in endodontic journals listed in Scopus (Sc) published in 2012 and 2018 were included in our study. The Altmetric Attention Score (AAS), Twitter, and Facebook mentions were obtained for each article. Citation counts were extracted using two citation metrics: Google Scholar (GS) and Sc. Correlations between the AAS, the number of social media mentions, and citations were analysed using Spearman's rank order correlation coefficient. A multivariable Poisson log-linear regression analysis shows that papers mentioned on social media gain about 35% more citations in GS and 31% more citations in Sc. The academic citations per article on GS and Sc were positively correlated with the AAS. Our data suggest an increasing positive correlation between social media mentions and article citations over the years.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142134589","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}
Juan Domingo Saavedra Felipe, Virginia Andrea Watson Molina, Anabell Bologna Escalona, Rafael Laplana Martínez, Aitzol Areso, Venkateshbabu Nagendrababu, Francesc Abella Sans
{"title":"Successful retreatment of a maxillary central incisor with a wide-open apex using MTA to fill the entire canal: 24-year follow-up.","authors":"Juan Domingo Saavedra Felipe, Virginia Andrea Watson Molina, Anabell Bologna Escalona, Rafael Laplana Martínez, Aitzol Areso, Venkateshbabu Nagendrababu, Francesc Abella Sans","doi":"10.1111/aej.12885","DOIUrl":"https://doi.org/10.1111/aej.12885","url":null,"abstract":"<p><p>Managing teeth with open apices can be a challenging scenario for clinicians. This case report describes the 24-year follow-up of a maxillary central incisor that failed to develop after a traumatic injury resulting in a wide-open apex. A 10-year-old girl presented complaining of discomfort in her upper teeth. Tooth #9 had received a traumatic blow several years before and was discoloured with a resin composite restoration on the mesio-incisal edge. The tooth was painful to percussion and palpation. An inadequate root canal filling and incomplete root formation were observed on the initial periapical radiograph. Root canal retreatment was initiated, and the canal filled entirely with mineral trioxide aggregate (MTA) because of the extremely wide canal and open apex. The patient was asymptomatic at the 24-year follow-up with the cone beam computed tomography and periapical radiographs demonstrating the stability of the MTA.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142115211","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}
Lucas Moreira Maia, Gil Moreira Júnior, Nelson Renato França Alves Silva, Vinícius de Carvalho Machado, Larissa Fassarela Marquiore, Emmanuel João Nogueira Leal Silva, Antônio Paulino Ribeiro Sobrinho, Warley Luciano Fonseca Tavares
{"title":"Minimally invasive guided endodontic microsurgery with Zekrya bur: A 48-month follow-up case report.","authors":"Lucas Moreira Maia, Gil Moreira Júnior, Nelson Renato França Alves Silva, Vinícius de Carvalho Machado, Larissa Fassarela Marquiore, Emmanuel João Nogueira Leal Silva, Antônio Paulino Ribeiro Sobrinho, Warley Luciano Fonseca Tavares","doi":"10.1111/aej.12884","DOIUrl":"https://doi.org/10.1111/aej.12884","url":null,"abstract":"<p><p>Endodontic microsurgery guided by navigation systems represents a precise and minimally invasive approach for retreatment of apical periodontitis following failed conventional endodontic therapy. Accurate localization and minimal access to the root apex are paramount for successful outcomes and preservation of anatomical structures. Workflow considerations, such as three-dimensional (3D) virtual planning and endodontic guidance represent new crucial aspects for addressing complex cases. This clinical case report presents the successful reintervention of a complex case using a Zekrya bur, operative microscopy, cone beam computed tomography and biocompatible materials. After a 48-month follow-up, complete healing of the treated area was observed. This minimally invasive technique, employing a simple instrument widely available globally, underscores the potential for efficient and predictable outcomes in complex endodontic microsurgical retreatment.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-08-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005938","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":"Antibiofilm effect of different concentrations of silver nanoparticles combined with calcium hydroxide against Enterococcus faecalis biofilm: An ex vivo study.","authors":"Sumaya Basudan, Alanoud Alqahtani, Fatemah Alrwais, Reem Almeaither, Sayed Auda, Hanan A Balto","doi":"10.1111/aej.12882","DOIUrl":"https://doi.org/10.1111/aej.12882","url":null,"abstract":"<p><p>This study aimed to evaluate the antibiofilm activity of different concentrations of silver nanoparticles (AgNPs) in combination with calcium hydroxide [Ca(OH)<sub>2</sub>] against Enterococcus faecalis biofilm. On an E. faecalis biofilm on dentin discs, the following medicaments were applied for 7 days (n = 13/group): 0.005% AgNPs+Ca(OH)<sub>2</sub>, 0.01% AgNPs+Ca(OH)<sub>2</sub>, 0.02% AgNPs + Ca(OH)<sub>2</sub>, Ca(OH)<sub>2</sub> and saline/control. Specimens were stained with LIVE/DEAD® BacLight™ dye and analysed with confocal laser scanning microscopy. Proportion of dead bacteria was calculated and analysed. There was a significant reduction in E. faecalis biofilm in all medicament groups (43.5%, 49.1%, 69.1%, 48.7%) respectively, compared with control group (2.54%) (p < 0.001). The 0.02% AgNPs + Ca(OH)<sub>2</sub> group demonstrated the most significantly superior antibiofilm effect, with no significant difference between remaining groups. In conclusion, combining 0.02% AgNPs enhanced the antibiofilm effect of Ca(OH)<sub>2</sub> on E. faecalis biofilm compared with lower AgNPs concentrations.</p>","PeriodicalId":55581,"journal":{"name":"Australian Endodontic Journal","volume":" ","pages":""},"PeriodicalIF":1.3,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141977338","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}