scholarly journals The Role of Mandibular Third Molars on Lower Anterior Teeth Crowding and Relapse after Orthodontic Treatment: A Systematic Review

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Khalid H. Zawawi ◽  
Marcello Melis
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Orthodontic Treatment ◽  
Anterior Segment ◽  
Risk Of Bias ◽  
Anterior Tooth ◽  
Third Molars ◽  
The Third ◽  
Anterior Teeth

Aims. To evaluate the role of third molars in the development of crowding or relapse after orthodontic treatment in the anterior segment of the dental arch.Methods. PubMed search of the literature was performed selecting all the articles relevant to the topic and limiting the studies to controlled trials on humans and written in English language. Systematic review was conducted according to the PRISMA (preferred reporting items for systematic reviews and meta-analyses) statement.Results. A total of 12 clinical studies were included in the review. A high risk of bias was found in most of the articles, either because the relative items assessed were inadequate or because they were unclearly described. The third molars were not correlated with more severe anterior tooth crowding in most of the studies. However, four of them described a different outcome.Conclusion. Definitive conclusions on the role of the third molars in the development of anterior tooth crowding cannot be drawn. A high risk of bias was found in most of the trials, and the outcomes were not consistent. However, most of the studies do not support a cause-and-effect relationship; therefore, third molar extraction to prevent anterior tooth crowding or postorthodontic relapse is not justified.

scholarly journals Surgically accelerated orthodontic techniques and periodontal response: a systematic review

2020 ◽  
Vol 42 (6) ◽  
pp. 635-642 ◽  
Author(s):  
Umar Rekhi ◽  
Raisa Queiroz Catunda ◽  
Monica Prasad Gibson
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Sample Size ◽  
Orthodontic Treatment ◽  
Small Sample Size ◽  
Small Sample ◽  
Risk Of Bias ◽  
Long Term Follow Up

Summary Background Reduction in orthodontic treatment time is gaining popularity due to patient demands. Several new techniques of acceleratory orthodontic treatment have been introduced to effectively treat the malocclusion in a shorter time period with minimal adverse effects. Objective The objective of this systematic review is to critically evaluate the potential effect of accelerated surgically assisted orthodontic techniques on periodontal tissues. Materials and methods Electronic databases used to perform the search were Medline (Ovid), EMBASE, PubMed, Scopus, Cochrane, Google Scholar, and hand searching of the literature was also performed. Selection criteria Only randomized control trials (RCTs) that assessed the relationship between accelerated surgically assisted orthodontic techniques and its effects on periodontium were included. Data collection and analysis The Joanna Briggs Institute (JBI) critical appraisal checklist tool (2016) was used to assess the finally selected studies. Among these studies, five evaluated corticotomy-facilitated orthodontics, two tested accelerated tooth movement with piezocision, one compared corticotomy-facilitated orthodontics with piezocision, and one studied the effects of periodontally accelerated osteogenic orthodontics. The duration of these studies was relatively short and had moderate to high risk of bias. Results Literature search identified 225 records from 5 databases and 50 articles from the partial grey literature (Google scholar) search. Finally, nine eligible RCTs were included in the review. Limitations Most of the included studies were of a high risk of bias due to high experimental heterogeneity and small sample size. Long-term follow-up of the periodontal response to these interventions was also lacking. Conclusions There is an absence of evidence considering the lack of long-term follow-up and small sample size therefore, the results of this review should be carefully interpreted. Implications Due to the need for more studies with less risk of bias, these techniques should be implemented in dental practice with caution. With stronger evidence, the study may be confirmed to provide quicker desired results for orthodontic patients. Registration This study protocol was not registered. Funding No funding was obtained for this systematic review.

Associations between Otolaryngology Applicant Characteristics and Future Performance in Residency or Practice: A Systematic Review

2017 ◽  
Vol 156 (6) ◽  
pp. 1011-1017 ◽  
Author(s):  
Sarah N. Bowe ◽  
Adrienne M. Laury ◽  
Stacey T. Gray
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Personnel Selection ◽  
Theoretical Background ◽  
Risk Of Bias ◽  
Future Performance ◽  
Or Practice ◽  
Retrospective Cohort Studies ◽  
Selection Research ◽  
Meta Analyses

Objective This systematic review aims to evaluate which applicant characteristics available to an otolaryngology selection committee are associated with future performance in residency or practice. Data Sources PubMed, Scopus, ERIC, Health Business, Psychology and Behavioral Sciences Collection, and SocINDEX. Review Methods Study eligibility was performed by 2 independent investigators in accordance with the PRISMA protocol (Preferred Reporting Items for Systematic Reviews and Meta-analyses). Data obtained from each article included research questions, study design, predictors, outcomes, statistical analysis, and results/findings. Study bias was assessed with the Quality in Prognosis Studies tool. Results The initial search identified 439 abstracts. Six articles fulfilled all inclusion and exclusion criteria. All studies were retrospective cohort studies (level 4). Overall, the studies yielded relatively few criteria that correlated with residency success, with generally conflicting results. Most studies were found to have a high risk of bias. Conclusion Previous resident selection research has lacked a theoretical background, thus predisposing this work to inconsistent results and high risk of bias. The included studies provide historical insight into the predictors and criteria (eg, outcomes) previously deemed pertinent by the otolaryngology field. Additional research is needed, possibly integrating aspects of personnel selection, to engage in an evidence-based approach to identify highly qualified candidates who will succeed as future otolaryngologists.

scholarly journals Rapid diagnostic test for antenatal syphilis screening in low-income and middle-income countries: a systematic review and meta-analysis

BMJ Open ◽  
2018 ◽  
Vol 8 (2) ◽  
pp. e018132 ◽  
Author(s):  
Carmen Phang Romero Casas ◽  
Marrissa Martyn-St James ◽  
Jean Hamilton ◽  
Daniel S Marinho ◽  
Rodolfo Castro ◽  
...  
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Diagnostic Accuracy ◽  
Pregnant Women ◽  
Sensitivity And Specificity ◽  
Methodological Quality ◽  
Meta Analysis ◽  
Risk Of Bias ◽  
Antenatal Clinics

ObjectivesTo undertake a systematic review and meta-analysis to evaluate the test performance including sensitivity and specificity of rapid immunochromatographic syphilis (ICS) point-of-care (POC) tests at antenatal clinics compared with reference standard tests (non-treponemal (TP) and TP tests) for active syphilis in pregnant women.MethodsFive electronic databases were searched (PubMed, EMBASE, CRD, Cochrane Library and LILACS) to March 2016 for diagnostic accuracy studies of ICS test and standard reference tests for syphilis in pregnant women. Methodological quality was assessed using QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies). A bivariate meta-analysis was undertaken to generate pooled estimates of diagnostic parameters. Results were presented using a coupled forest plot of sensitivity and specificity and a scatter plot.ResultsThe methodological quality of the five included studies with regards to risk of bias and applicability concern judgements was either low or unclear. One study was judged as high risk of bias for patient selection due to exclusion of pregnant women with a previous history of syphilis, and one study was judged at high risk of bias for study flow and timing as not all patients were included in the analysis. Five studies contributed to the meta-analysis, providing a pooled sensitivity and specificity for ICS of 0.85 (95% CrI: 0.73 to 0.92) and 0.98 (95% CrI: 0.95 to 0.99), respectively.ConclusionsThis review and meta-analysis observed that rapid ICS POC tests have a high sensitivity and specificity when performed in pregnant women at antenatal clinics. However, the methodological quality of the existing evidence base should be taken into consideration when interpreting these results.PROSPERO registration numberCRD42016036335.

scholarly journals Accuracy of Anti-GBM Antibodies in Diagnosing Anti-Glomerular Basement Membrane Disease: A Systematic Review and Meta-Analysis

2021 ◽  
pp. 1-8
Author(s):  
Akihiro Shiroshita ◽  
Yasuhiro Oda ◽  
Seiji Takenouchi ◽  
Noboru Hagino ◽  
Yuki Kataoka
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Basement Membrane ◽  
Diagnostic Accuracy ◽  
Cohort Studies ◽  
Quality Assessment ◽  
Sensitivity And Specificity ◽  
Glomerular Basement Membrane ◽  
Case Control ◽  
Risk Of Bias

<b><i>Background:</i></b> The sensitivity and specificity of anti-glomerular basement membrane (GBM) antibodies have not been systematically analyzed. In this systematic review, we aimed to evaluate the diagnostic accuracy of anti-GBM antibodies for anti-GBM disease. <b><i>Summary:</i></b> Potential studies were searched using MEDLINE, Embase, the Cochrane Library, and the International Clinical Trials Registry Platform based on the index test and target condition. The inclusion criteria were prospective or retrospective cohort studies or case-control studies assessing the sensitivity and specificity of anti-GBM antibodies, and the reference standard was clinical diagnosis including biopsy results. The exclusion criteria were review articles, case reports, animal studies, and in vitro studies. Quality assessment was conducted based on the Quality Assessment of Diagnostic Accuracy Studies-2. The pooled estimates of sensitivity and specificity were calculated using a bivariate random-effects model. The overall quality was evaluated using the Grades of Recommendation, Assessment, Development, and Evaluation. Six studies (1,691 patients) and 11 index tests were included in our systematic review. A high risk of bias and concerns regarding the applicability of patient selection were noted because of the case-control design in 67% of the included studies. The pooled sensitivity and specificity were 93% (95% CI: 84–97%) and 97% (95% CI: 94–99%), respectively. The certainty of evidence was low because of the high risk of bias and indirectness. <b><i>Key Messages:</i></b> Anti-GBM antibodies may exhibit high sensitivity and specificity in the diagnosis of anti-GBM disease. Further cohort studies are needed to confirm their precise diagnostic accuracy and compare diagnostic accuracies among different immunoassays.

scholarly journals Tools for assessing risk of reporting biases in studies and syntheses of studies: a systematic review

BMJ Open ◽  
2018 ◽  
Vol 8 (3) ◽  
pp. e019703 ◽  
Author(s):  
Matthew J Page ◽  
Joanne E McKenzie ◽  
Julian P T Higgins
Keyword(s):  
Systematic Review ◽  
High Risk ◽  
Full Text ◽  
Relative Weight ◽  
Risk Of Bias ◽  
Reporting Bias ◽  
Measurement Properties ◽  
Rater Agreement ◽  
Funnel Plot ◽  
Ovid Medline

BackgroundSeveral scales, checklists and domain-based tools for assessing risk of reporting biases exist, but it is unclear how much they vary in content and guidance. We conducted a systematic review of the content and measurement properties of such tools.MethodsWe searched for potentially relevant articles in Ovid MEDLINE, Ovid Embase, Ovid PsycINFO and Google Scholar from inception to February 2017. One author screened all titles, abstracts and full text articles, and collected data on tool characteristics.ResultsWe identified 18 tools that include an assessment of the risk of reporting bias. Tools varied in regard to the type of reporting bias assessed (eg, bias due to selective publication, bias due to selective non-reporting), and the level of assessment (eg, for the study as a whole, a particular result within a study or a particular synthesis of studies). Various criteria are used across tools to designate a synthesis as being at ‘high’ risk of bias due to selective publication (eg, evidence of funnel plot asymmetry, use of non-comprehensive searches). However, the relative weight assigned to each criterion in the overall judgement is unclear for most of these tools. Tools for assessing risk of bias due to selective non-reporting guide users to assess a study, or an outcome within a study, as ‘high’ risk of bias if no results are reported for an outcome. However, assessing the corresponding risk of bias in a synthesis that is missing the non-reported outcomes is outside the scope of most of these tools. Inter-rater agreement estimates were available for five tools.ConclusionThere are several limitations of existing tools for assessing risk of reporting biases, in terms of their scope, guidance for reaching risk of bias judgements and measurement properties. Development and evaluation of a new, comprehensive tool could help overcome present limitations.

scholarly journals Effect of Orthodontic Treatment on Tooth Autotransplantation: Systematic Review of Controlled Clinical Trials

2020 ◽  
Vol 14 (03) ◽  
pp. 467-482
Author(s):  
Rogério Lacerda-Santos ◽  
Rhaíssa Ferreira Canutto ◽  
José Lucas dos Santos Araújo ◽  
Fabiola Galbiatti de Carvalho ◽  
Eliseu Aldrighi Münchow ◽  
...  
Keyword(s):  
Systematic Review ◽  
Clinical Trials ◽  
Randomized Clinical Trials ◽  
Risk Of Bias ◽  
Significant Heterogeneity ◽  
Controlled Clinical Trials ◽  
Periodontal Tissues ◽  
Orthodontic Movement ◽  
Anterior Teeth

AbstractThis systematic review was focused on evaluating tooth autotransplantation, considering its impacts on the teeth, bone, soft tissues, and aesthetics in orthodontic patients. A bibliographic search was conducted without limitations on year of publication or language in the databases of PubMed, Web of Science, Scopus, Medline Complete, Cochrane, Clinical Trials, and Trials Central. For triage of articles, indications, surgical planning, orthodontic movement, risk factors for treatment, and long-term follow-ups were considered. For outcomes, the results with reference to teeth, alveolar bone, periodontal tissues, and esthetic satisfaction were considered. Risk of bias was evaluated using the methodological index for nonrandomized studies-MINORS. The results showed 10 controlled clinical trials, and no randomized clinical trials were found. The selected studies included 715 patients and 934 autotransplanted teeth among which there were premolars, molars, and anterior teeth evaluated in the long term, indicating that orthodontics associated with autotransplantation indicated a result that was generally clinically acceptable. The quality of the set of evidence was considered medium due to the presence of different methodological problems, risk of bias, and significant heterogeneity in the evaluated studies. There was a sufficient body of evidence that justified autotransplantation in patients who needed orthodontic movement. In teeth, there was an increase in root resorption influenced by orthodontics, but without impacting on the general clinical result in the long term. Bone and periodontal tissue do not appear to be affected by orthodontics. The patient’s aesthetic satisfaction was not considered in the studies.

scholarly journals Central neurobiological effects of physical exercise in individuals with chronic musculoskeletal pain: a systematic review

BMJ Open ◽  
2020 ◽  
Vol 10 (7) ◽  
pp. e036151
Author(s):  
Rutger M J de Zoete ◽  
Kenneth Chen ◽  
Michele Sterling
Keyword(s):  
Systematic Review ◽  
Chronic Pain ◽  
High Risk ◽  
Physical Exercise ◽  
Clinical Outcomes ◽  
Musculoskeletal Pain ◽  
Exercise Intervention ◽  
Risk Of Bias ◽  
Chronic Musculoskeletal Pain ◽  
Brain Areas

ObjectivePrimary objectives: to investigate the central neurobiological effects (using MRI) of physical exercise in individuals with chronic pain. Secondary objectives: (1) to investigate the associations between central changes and clinical outcomes and (2) to investigate whether different types and dosages of physical exercise exert different central changes.DesignSystematic review searching four electronic databases up to September 2018: AMED, CINAHL, Embase and MEDLINE. Two reviewers independently assessed the methodological quality of included studies using the Cochrane Collaboration’s Risk of Bias in Non-Randomised Studies-I tool. A standardised extraction table was used for data extraction, which was performed by two reviewers.InterventionsStudies reporting any physical exercise intervention in any chronic musculoskeletal pain condition were included. Eligibility of 4011 records was screened independently by two reviewers, and four studies were included in the review.Primary and secondary outcome measuresPrimary outcome: any brain outcome assessed with any MR technique. Secondary outcomes: any self-reported clinical outcomes, and type and dosage of the exercise intervention.ResultsAll four studies had high risk of bias. There was heterogeneity between the brain areas studied and the types of exercise interventions delivered. All studies reported functional MRI changes in various brain areas following an exercise intervention. Insufficient data were available to conduct a meta-analysis or to answer the secondary aims.ConclusionsOnly a limited number of studies were available and all were at high risk of bias. None of the studies was randomised or included blinded assessment. Exercise may exert effects on brain neurobiology in people with chronic pain. Due to the high risk of bias, future studies should use a randomised study design. Investigation of morphological brain changes could be included.PROSPERO registration numberCRD42018108179.

scholarly journals Evaluation of the Biases in the Studies that Assess the Effects of the Great Recession on Health. A Systematic Review

2019 ◽  
Vol 16 (14) ◽  
pp. 2479 ◽  
Author(s):  
Marc Saez ◽  
Maria Antònia Barceló ◽  
Carme Saurina ◽  
Andrés Cabrera ◽  
Antonio Daponte
Keyword(s):  
Mental Health ◽  
Systematic Review ◽  
High Risk ◽  
Great Recession ◽  
Risk Of Bias ◽  
Review Of The Literature ◽  
The Great Recession ◽  
Self Rated Health ◽  
Evaluation Time ◽  
Lack Of Control

Background: Our main objective was to evaluate the fundamental biases detected in studies assessing the effects the Great Recession had on health for the case of Spain. As secondary objectives we presented methods to control these biases and to discuss the results of the studies in question if they had controlled for them. Methods: We carried out a systematic review of the literature published up to June 2018. We evaluated the biases that could have happened in all the eligible studies. Results: From the review, we finally selected 53 studies. Of the studies we reviewed, 60.38% or 32 out of 53, were evaluated as having a high risk of bias. The main biases our review revealed were problems with evaluation, time bias, lack of control of unobserved confounding, and non-exogeneity when defining the onset of the Great Recession. Conclusions: The results from the studies that controlled the biases were quite consistent. Summing up, the studies reviewed found that the Great Recession increased the risk of declaring poor self-rated health and the deterioration of mental health. Both the mortality rate and the suicide rate may well have increased after the Great Recession, probably after a three- to four-year delay.

Sign in / Sign up

Export Citation Format

Share Document