Luísa Schubach da Costa Barreto, Rafael Cunha Bittencourt, Marcella Barreto Ferreira, Sarah Braga Sayão de Paula, Cláudia Trindade Mattos, José Augusto Mendes Miguel
{"title":"Descriptive analysis of the cases published in the Align® Global Gallery.","authors":"Luísa Schubach da Costa Barreto, Rafael Cunha Bittencourt, Marcella Barreto Ferreira, Sarah Braga Sayão de Paula, Cláudia Trindade Mattos, José Augusto Mendes Miguel","doi":"10.1590/2177-6709.29.5.e242474.oar","DOIUrl":"10.1590/2177-6709.29.5.e242474.oar","url":null,"abstract":"<p><strong>Introduction: </strong>Social media enhanced access to information, making it easier to share dental treatments.</p><p><strong>Objective: </strong>This study aimed to conduct a descriptive analysis of the clinical cases published on the Align® Global Gallery platform.</p><p><strong>Material and methods: </strong>A retrospective cross-sectional study of 1,582 cases was conducted, data extracted referred to the following basic information: case number; patient's age; reported gender; Invisalign® package modality; treatment time; aligner exchange protocol; total number of aligners per arch; type of retainers, and inclusion of initial and final panoramic and cephalometric radiographs.</p><p><strong>Results: </strong>The majority were young (mean age 24.6 years, SD = 11.6), female patients (69.1%) with Class I malocclusion (39.4%) and crowding (77.9%). Comprehensive treatment was common (66.5%), with an average treatment time of 18 months (SD = 8.56; 95% CI = 17.6-18.5), with the most frequently reported aligner exchange protocol being 7 days (49.5%), with an average of 50.6 aligners in the upper arch (SD = 26.9; 95% CI = 49.2-51.9), and 48.7 in the lower arch (SD = 26.1; 95% CI = 47.4-50.0). Arch expansion (66.9%) and interproximal reduction (59.7%) were common approaches, while extractions were rare (4.3%). In most cases, initial lateral cephalometric (80.4%) and panoramic (93.3%) radiographs were presented. However, the final radiograph count dropped, with lateral cephalometric at 69.2%, and panoramic at 82.2% of cases.</p><p><strong>Conclusion: </strong>Cases in the Align®Global Gallery mostly feature Class I patients with crowded teeth, treated with expansion and interproximal reduction. The absence of standardized information and post-treatment data restricts the applicability of these findings to broader Invisalign® treatment trends.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 5","pages":"e242474"},"PeriodicalIF":0.0,"publicationDate":"2024-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11457963/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394103","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}
Igor Ferreira Batista Ribeiro, Karina Miranda Lieuthier, Gabriela De Sena Ferreira, Vanara Florêncio Passos, Raniel Fernandes Peixoto, Sandra Maria Abreu Nogueira, Paula Jordani Ongaro, Lívia Maria Sales Pinto Fiamengui
{"title":"Clinical signs of bruxism in CrossFit® practitioners: observational study.","authors":"Igor Ferreira Batista Ribeiro, Karina Miranda Lieuthier, Gabriela De Sena Ferreira, Vanara Florêncio Passos, Raniel Fernandes Peixoto, Sandra Maria Abreu Nogueira, Paula Jordani Ongaro, Lívia Maria Sales Pinto Fiamengui","doi":"10.1590/2177-6709.29.5.e242476.oar","DOIUrl":"10.1590/2177-6709.29.5.e242476.oar","url":null,"abstract":"<p><strong>Introduction: </strong>CrossFit® is a physical training method that aims to promote physical fitness through the development of components such as aerobic capacity, strength and muscular endurance. Data regarding bruxism behaviors in CrossFit® practitioners are scarce, but previous studies have shown increased dental clenching behavior during weightlifting practices.</p><p><strong>Objective: </strong>The present study aimed to evaluate clinical signs of bruxism in CrossFit® practitioners.</p><p><strong>Methods: </strong>The sample comprised a convenience sample of CrossFit® practitioners (n=57), of both genders, aged 19-58 years. Outcome variables were as follows: Oral Behavior Checklist, the International Physical Activity Questionnaire and the Standardized Tool for the Assessment of Bruxism. Data were expressed in terms of absolute values and percentages. Spearman's correlation and Fisher exact tests were used for statistical analysis, and a significance level of 5% was considered.</p><p><strong>Results: </strong>The mean age was 32.82 years, with a female majority (63.15%). CrossFit® practitioners frequently reported clenching their teeth during training practice (61.40%) and presented linea alba (82.45%), lip impression (54.38%), tongue impression (26.31%), bone exostosis (19.29%), tooth wear (61.40%) and non-carious cervical lesions (35.09%).</p><p><strong>Conclusions: </strong>No correlation was found between clinical signs of bruxism, oral behaviors and physical activity intensity; however, the results suggest that individuals who practice CrossFit® training have oral behaviors that can cause morpho-functional changes in the stomatognathic system, especially the habit of clenching their teeth during training. In addition, data emphasize the need for dental health education among CrossFit® practitioners, and more studies with a representative sample are necessary.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 5","pages":"e242476"},"PeriodicalIF":0.0,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451375/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394087","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":"Correlations among satisfaction parameters after orthodontic treatment.","authors":"Eftychia Lampraki, Fanouria Papaioannou, Ioulia-Maria Mylonopoulou, Nikolaos Pandis, Iosif Sifakakis","doi":"10.1590/2177-6709.29.5.e2424180.oar","DOIUrl":"10.1590/2177-6709.29.5.e2424180.oar","url":null,"abstract":"<p><strong>Objective: </strong>This study assessed patient's satisfaction after orthodontic treatment in the postgraduate orthodontic clinic of the Dental School at the University of Athens (Athens, Greece), and investigated possible correlations between satisfaction after orthodontic treatment and life satisfaction, alongside the influence of age, gender, severity of initial orthodontic malocclusion and duration of retention period.</p><p><strong>Material and methods: </strong>Patients aged 12 years and above, who had recently completed comprehensive orthodontic treatment, participated completing two questionnaires: a 37-item questionnaire, validated for assessing orthodontic treatment satisfaction; and the 5-item Satisfaction with Life Scale, a valid and reliable measure of life satisfaction. Scores from each questionnaire were summed for each patient. Demographic details, Index of Orthodontic Treatment Need (IOTN) and the duration of the retention period up to questionnaire completion were collected. Multiple regression analysis assessed the relationship between the questionnaires and the evaluated variables.</p><p><strong>Results: </strong>A total of 150 patients answered the questionnaires, being 82 women (55%) and 68 men (45%). The mean age of patients was 18.87 ± 5.97 years (range: 12-47). Most patients expressed satisfaction with treatment outcomes (grades 5 and 6). Satisfaction with orthodontic treatment showed a significant correlation with life satisfaction (p=0.002), but not with gender, age, dental/esthetic components of IOTN, or the duration of the retention period.</p><p><strong>Conclusion: </strong>Satisfaction after orthodontic treatment exhibited a significant correlation with life satisfaction, but it was not affected by gender, age, dental/esthetic components of IOTN, or the duration of the retention period.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 5","pages":"e2424180"},"PeriodicalIF":0.0,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451348/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394088","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}
Henrique Barcelos Brandão, Jonas Bianchi, Lucas Arrais de Campos, Alyssa Schiavon Gandini, Luiz Gonzaga Gandini Junior
{"title":"Evaluation of force systems generated by Memory Titanol® springs with different preactivation bends.","authors":"Henrique Barcelos Brandão, Jonas Bianchi, Lucas Arrais de Campos, Alyssa Schiavon Gandini, Luiz Gonzaga Gandini Junior","doi":"10.1590/2177-6709.29.5.e242430.oar","DOIUrl":"10.1590/2177-6709.29.5.e242430.oar","url":null,"abstract":"<p><strong>Objective: </strong>This study evaluated the force system generated by the Memory Titanol® spring (MTS) with different preactivation bends using an orthodontic force tester (OFT).</p><p><strong>Methods: </strong>Three preactivations were tested using a 0.017 × 0.022-in stainless steel (SS) wire and a 0.018 × 0.025-in NiTi segment, with an activation of 30º in the posterior segment (β), with 0º (Group 1 [G1]), 45º (Group 2 [G2]), and 60º (Group 3 [G3]) in the anterior segment (α).</p><p><strong>Results: </strong>The molars showed extrusion values of -1.33 N for G1 and -0.78 N for G2, and an intrusion value of 0.33 N for G3. The force in the premolars was intrusive with a variation of 1.34 N for G1 and 0.77 N for G2; and extrusive with a variation of -0.31 N for G3. Regarding the upright moment (Ty) of the molar, a distal moment was observed with values of 53.45 N.mm for G1 and 19.87 N.mm for G2, while G3 presented a mesial moment of -6.23 N.mm. G1, G2, and G3 all exhibited distal premolar moments (Ty) of 3.58, 2.45, and 0.68 N.mm, respectively.</p><p><strong>Conclusions: </strong>The tested preactivations exerted an extrusive force in G1 and G2 and an intrusive force in G3 during molar vertical movement. The premolar region in G1 and G2 showed intrusive force and distal moment.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 5","pages":"e242430"},"PeriodicalIF":0.0,"publicationDate":"2024-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11451349/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142394104","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":"Root volume measurements of maxillary canines and lateral incisors in patients with unilateral maxillary canine impaction.","authors":"Mostafa Shahabi, Hossein Hosseini Zarch, Zahra Shadman, Farzaneh Ahrari","doi":"10.1590/2177-6709.29.4.e242416.oar","DOIUrl":"10.1590/2177-6709.29.4.e242416.oar","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to assess root volumes of maxillary canines and adjacent lateral incisors in patients with unilateral maxillary canine impaction.</p><p><strong>Methods: </strong>This cross-sectional study was performed on cone-beam computed tomography (CBCT) scans of 100 patients (49 females and 51 males) with unilateral maxillary canine impaction. The images were loaded in Planmeca Romexis Viewer, and root layers between the cementoenamel junction and apex were reconstructed at 600-µm intervals. At each layer, the root boundary was marked, and finally, the root volume was calculated by multiplying the layers' area by the thickness of 600 µm. The root size of canines and lateral incisors was compared between the impaction and normal eruption sides.</p><p><strong>Results: </strong>Sixty-two patients showed buccal canine impaction, and 38 presented palatal impaction. The mean root volume of canines on the impaction side was significantly greater than that on the normal eruption side; either the tooth was buccally or palatally impacted (p<0.001). The lateral incisors on the side of buccally-impacted canines showed a significantly smaller root volume than that of the contralateral side (p<0.001). However, there was no significant difference in the root size of lateral incisors between the two sides in cases presenting palatal canine impaction (p=0.177).</p><p><strong>Conclusion: </strong>The difference in root volume of canines between the two sides can serve as an indicator of canine impaction. The reduction in the root size of the lateral incisor on the side of the buccally impacted canine may be due to root resorption created by pressure from the canine's crown.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e242416"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368238/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126814","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":"Shared decision making for patients needing dentofacial orthopedics, orthognathic surgery, and conventional non-surgical fixed appliance therapy: a comparison between Pakistani patients' and clinicians' perspective.","authors":"Fatima Naz Najam, Waqar Jeelani, Maheen Ahmed, Mirza Ezaaf Shuja","doi":"10.1590/2177-6709.29.4.e242443.oar","DOIUrl":"10.1590/2177-6709.29.4.e242443.oar","url":null,"abstract":"<p><strong>Introduction: </strong>Shared decision making (SDM) involves presenting patients with relevant information about a health issue and reaching a clinical decision based on their preferences. However, its application in orthodontics lacks documentation.</p><p><strong>Objective: </strong>This study aimed to assess and compare the perspectives of patients and clinicians on SDM in different cases.</p><p><strong>Methods: </strong>A cross-sectional study was conducted at a tertiary care hospital in Pakistan, involving 90 patients categorized into three groups (dentofacial orthopedics, orthognathic surgery, and conventional non-surgical fixed appliance treatment). Following clinical assessment and treatment plan discussions, patients and clinicians completed a 12-item dyadic observing patient involvement in decision making (OPTION) questionnaire, to gauge their perspectives on SDM. Mean OPTION scale scores were compared using paired sample t-tests between clinicians and patients, and intergroup comparisons utilized paired sample t-tests and Pearson correlation coefficients.</p><p><strong>Results: </strong>OPTION scores were similar between patients/parents and clinicians. However, statistically significant differences were found regarding the questions about \"different sources of information\", \"different options (including the possibility of doing nothing)\" and \"concerns regarding management\", with the patients giving overall lower OPTION scores. Patients gave lower SDM OPTION scores for conventional orthodontic treatment, but higher scores for orthopedic and orthognathic surgery, as compared to the clinicians.</p><p><strong>Conclusions: </strong>The current study revealed an overall consensus in the mean total scores of OPTION scales between patients and clinicians. However, when stratified, patients showed higher SDM scores for orthopedic and orthognathic cases, and lower scores for conventional orthodontic treatment.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e242443"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368241/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126815","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}
Liz Helena Moraes Pinheiro, Dalila Ferreira Silvano de Moura, Leonardo Santos Antunes, Lívia Azeredo Alves Antunes
{"title":"Bibliometric analysis of publications on genetic polymorphism and external apical root resorption research.","authors":"Liz Helena Moraes Pinheiro, Dalila Ferreira Silvano de Moura, Leonardo Santos Antunes, Lívia Azeredo Alves Antunes","doi":"10.1590/2177-6709.29.4.e2423268.oar","DOIUrl":"10.1590/2177-6709.29.4.e2423268.oar","url":null,"abstract":"<p><strong>Objective: </strong>This study aimed to analyze the scientific production of genetic polymorphisms and external apical root resorption (EARR) to establish main findings, geographic trends, and research gaps for possible future investigations.</p><p><strong>Methods: </strong>Unrestricted publications were searched using the Scopus database (March 2023) to include studies that addressed the association between genetic polymorphisms and EARR. Case-control, cohort, cross-sectional, and review studies were considered eligible. The softwares VOS viewer™ and Bibliometrix were used for data analysis.</p><p><strong>Results: </strong>Of the 44 studies analyzed, \"Iglesias-Linares A\" was the most cited author. The University of Seville (Spain) conducted the most research on this topic. Brazil, Spain, and the USA were the leading countries in terms of citations. The most frequent term in the co-occurrence of keywords was \"EARR.\" The journal American Journal of Orthodontics and Dentofacial Orthopedics presented a great relevance in the area, demonstrating a high number of publications. Several genetic polymorphisms have been investigated, with interleukins being the most studied.</p><p><strong>Conclusion: </strong>Endodontics is an area of research that should focus more on root resorption and genetic polymorphisms, as it still underexplored, compared to orthodontics. Polymorphisms have been studied as possible predictors of EARR caused by orthodontic tooth movement. However, the gap in the research indicates a need to search for new genes associated with EARR.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e2423268"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368243/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126798","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}
Maria Giulia Rezende Pucciarelli, Eloá Cristina Passucci Ambrosio, Thaís Marchini Oliveira, Chiarella Sforza, Márcio de Menezes, Simone Soares
{"title":"Fluctuating arch symmetry: a comparison of two methods of assessment - applicability and efficiency.","authors":"Maria Giulia Rezende Pucciarelli, Eloá Cristina Passucci Ambrosio, Thaís Marchini Oliveira, Chiarella Sforza, Márcio de Menezes, Simone Soares","doi":"10.1590/2177-6709.29.4.e2423265.oar","DOIUrl":"10.1590/2177-6709.29.4.e2423265.oar","url":null,"abstract":"<p><strong>Introduction: </strong>Symmetry is balance, some correspondence in the size, form, and arrangements of parts on opposite sides of a plane, line, or point. The opposite of this concept is asymmetry, or imbalance.</p><p><strong>Objective: </strong>This retrospective study compared two methods for assessing arch symmetry with linear measurements based on triangles, to determine their applicability and efficiency.</p><p><strong>Methods: </strong>Two groups were enrolled: children (n=20) and adults (n=20), and the arch symmetry was assessed from linear measurements. Method 1: the incisor-canine (INC), canine-molar (CM), and incisor-molar (INM) distances (paired t-test and Pearson correlation). Method 2: a mathematical equation between the cusps measurements of the canines and the distobuccal of the first molars leading to result 1 (t-test for one sample and bootstrapping analysis). Dental casts were digitized and analyzed using a software program. The Bland-Altman test compared the methods (α=0.05).</p><p><strong>Results: </strong>The Bland-Altman test revealed concordance between the methods; however, separately the results were different: In method 1, the mandibular arch did not demonstrate correlation (children, INC r=0.33; CM r=0.45; INM r=0.51; adults, CM r=0.46; INM r=0.35), however, the maxilla revealed a strong correlation in children and a strong/moderate correlation in adults. In method 2, both arches were symmetrical (p>0.05).</p><p><strong>Conclusion: </strong>Method 1 may be appropriate during orthodontic treatment, and method 2 may be indicated for final treatment. These methods are useful; however, only method 1 identified the side of asymmetry. The methods can contribute to future studies in syndromic and non-syndromic patients, before and after orthognathic surgeries and orthodontic treatment, comparing results.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e2423265"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368240/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126811","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}
Staell Ribeiro de Faria, Túlio Rodrigues de Andrade, Cristiane Barros André, Victor Angelo Martins Montalli, Jurandir Antonio Barbosa, Roberta Tarkany Basting
{"title":"MARPE expander activation load with different configurations of extender arms heights: in-vitro evaluation.","authors":"Staell Ribeiro de Faria, Túlio Rodrigues de Andrade, Cristiane Barros André, Victor Angelo Martins Montalli, Jurandir Antonio Barbosa, Roberta Tarkany Basting","doi":"10.1590/2177-6709.29.4.e242458.oar","DOIUrl":"10.1590/2177-6709.29.4.e242458.oar","url":null,"abstract":"<p><strong>Objective: </strong>Evaluate the load mini-implants exert on the artificial bone when expanding the MARPE EX in three different extension arm configurations.</p><p><strong>Methods: </strong>A device simulating the human palate was fabricated and attached to a universal testing machine, for conducting tests with different MARPE expanders (n=5): non-adjustable/control (MARPE SL, Peclab) or with low, intermediate, and high extender arms (MARPE EX, Peclab). The expanders were manually activated until failure of the device occurred, and maximum load values were recorded. Load averages were also calculated for every five activations until the twentieth activation.</p><p><strong>Results: </strong>The generalized linear mixed model for repeated measures over time showed that there was significant increase in load with activations for all expanders (p=0.0004). Up to the twentieth activation, the expander with low extender arms presented higher load than the others, while the expander with high extender arms showed lower load values (p<0.05). There was no significant difference among expanders regarding the number of activations (p=0.0586), although there was a trend towards fewer activations until fracture for the control expander. It was observed that the higher the configuration, the lower the force the mini-implants delivered to the bone. The control expander provided a force magnitude similar to that of the adjustable expander when positioned at the intermediate height.</p><p><strong>Conclusions: </strong>The activation load of MARPE expanders is influenced by the type of presentation of the extensor arms, with higher configurations resulting in lower force delivered by the mini-implants to the bone.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e242458"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368235/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126812","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}
Ricardo de Souza Tesch, Thayanne Brasil Barbosa Calcia, Diego DE Nordenflycht
{"title":"Unveiling MRI-based structural phenotypes in temporomandibular joint osteoarthritis: implications for clinical practice and research.","authors":"Ricardo de Souza Tesch, Thayanne Brasil Barbosa Calcia, Diego DE Nordenflycht","doi":"10.1590/2177-6709.29.4.e24spe4","DOIUrl":"10.1590/2177-6709.29.4.e24spe4","url":null,"abstract":"<p><strong>Introduction: </strong>Osteoarthritis (OA) is a progressive degenerative disease characterized by the gradual degradation of cartilage, remodeling of subchondral bone, synovitis, and chronic pain. This condition impacts various large and small joints, including the temporomandibular joint (TMJ). However, addressing OA, particularly in impeding or reducing disease progression, is challenging due to its clinical and imaging heterogeneity. Authors are increasingly suggesting that this heterogeneity involves different phenotypes or subpopulations, discernible by variations in the disease's pathophysiology and structural manifestations. Even within the TMJ, these phenotypes may display distinct clinical features, laboratory parameters, biochemical markers, and imaging criteria. Recent research has proposed MRI as a reference standard for TMJ OA, highlighting its substantial agreement with histopathological changes. MRI-based phenotypes offer a promising avenue for understanding disease progression and treatment response, potentially providing valuable insights for prognosis and treatment planning.</p><p><strong>Objective: </strong>This article introduces the ROAMES-TMJ (Rapid OsteoArthritis MRI Eligibility Score for TMJ) to assess the structural eligibility of individuals for inclusion in TMJ OA clinical trials.</p>","PeriodicalId":38720,"journal":{"name":"Dental Press Journal of Orthodontics","volume":"29 4","pages":"e24spe4"},"PeriodicalIF":0.0,"publicationDate":"2024-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11368237/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126816","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}