All Stories

  1. On correlation coefficients and their interpretation

    Article • Journal of Orthodontics, August 2022, SAGE Publications

    Dr Spyridon N. Papageorgiou

  2. On the relative performance of diagnostic tests

    Article • Journal of Orthodontics, June 2021, SAGE Publications

    Dr Spyridon N. Papageorgiou

  3. As time goes by

    Article • Journal of Orthodontics, August 2020, SAGE Publications

    Dr Spyridon N. Papageorgiou

  4. Proper case selection and assessment

    Article • Journal of Orthodontics, June 2020, SAGE Publications

    Dr Spyridon N. Papageorgiou

  5. Discriminant analysis: What it is and what is not

    Article • Journal of Orthodontics, February 2020, SAGE Publications

    Dr Spyridon N. Papageorgiou

  6. Patient drop-outs in clinical trials

    Article • Journal of Orthodontics, November 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  7. What evidence exists for myofunctional therapy with prefabricated appliances? A systematic review with meta-analyses of randomised trials

    Article • Journal of Orthodontics, October 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  8. Confounders in epidemiological associations

    Article • Journal of Orthodontics, September 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  9. Clinically relevant sample size calculations for trials

    Article • Journal of Orthodontics, May 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  10. Methods, transparency and reporting of clinical trials in orthodontics and periodontics

    Article • Journal of Orthodontics, May 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  11. Evidence-based orthodontics: Too many systematic reviews, too few trials

    Article • Journal of Orthodontics, April 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  12. Planning and interpreting the sample size of trials with multiple outcomes

    Article • Journal of Orthodontics, March 2019, SAGE Publications

    Dr Spyridon N. Papageorgiou

  13. Comparison of resin modified glass ionomer cement and composite resin in class II primary molar restorations: a 2-year parallel randomised clinical trial

    Article • European Archives of Paediatric Dentistry, October 2018, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  14. On the sample size of clinical trials – revisited

    Article • Journal of Orthodontics, October 2018, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  15. Biological and technical complications of tilted implants in comparison with straight implants supporting fixed dental prostheses. A systematic review and meta-analysis

    Article • Clinical Oral Implants Research, October 2018, Wiley

    Dr Spyridon N. Papageorgiou, karol apaza, Niklaus Lang

  16. Frequency of infraposition and missing contact points in implant-supported restorations within natural dentitions over time: A systematic review with meta-analysis

    Article • Clinical Oral Implants Research, October 2018, Wiley

    Dr Spyridon N. Papageorgiou

  17. Interventions for dental fluorosis: A systematic review

    Article • Journal of Esthetic and Restorative Dentistry, September 2018, Wiley

    Dr Spyridon N. Papageorgiou

  18. Effect of orthodontic treatment on the subgingival microbiota: A systematic review and meta-analysis

    Article • Orthodontics and Craniofacial Research, July 2018, Wiley

    Dr Spyridon N. Papageorgiou

  19. On the sample size of clinical trials

    Article • Journal of Orthodontics, July 2018, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  20. Quality of orthodontic treatment with straightwire or standard edgewise appliances

    Article • May 2018, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  21. Evaluation of orthodontically induced external root resorption following orthodontic treatment using cone beam computed tomography (CBCT): a systematic review and meta-analysis

    Article • European Journal of Orthodontics, May 2018, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  22. Failure patterns of different bracket systems and their influence on treatment duration: A retrospective cohort study

    Article • The Angle Orthodontist, May 2018, The Angle Orthodontist (EH Angle Education & Research Foundation)

    Dr Spyridon N. Papageorgiou

  23. Interpreting and applying absolute and relative risks from trials

    Article • Journal of Orthodontics, April 2018, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  24. Effects of supplemental vibrational force on space closure, treatment duration, and occlusal outcome: A multicenter randomized clinical trial

    Article • American Journal of Orthodontics and Dentofacial Orthopedics, April 2018, Elsevier

    Dr Spyridon N. Papageorgiou

  25. Oral Interventions for Obstructive Sleep Apnea

    Article • Deutsches Ärzteblatt international, March 2018, Deutscher Arzte-Verlag GmbH

    Dr Spyridon N. Papageorgiou

  26. Soft tissue changes following extraction vs. nonextraction orthodontic fixed appliance treatment: a systematic review and meta-analysis

    Article • European Journal Of Oral Sciences, February 2018, Wiley

    Dr Spyridon N. Papageorgiou

  27. Does orthodontic treatment have a permanent effect on tooth color?

    Article • Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, February 2018, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  28. Tooth-level versus patient-level

    Article • Journal of Orthodontics, January 2018, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  29. Data sharing in orthodontic research

    Article • Journal of Orthodontics, January 2018, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  30. Registration in the international prospective register of systematic reviews (PROSPERO) of systematic review protocols was associated with increased review quality

    Article • Journal of Clinical Epidemiology, January 2018, Elsevier

    Dr Spyridon N. Papageorgiou

  31. Which Teeth Have to Be Sealed?

    Article • December 2017, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  32. Performance of pit and fissure sealants according to tooth characteristics: A systematic review and meta-analysis

    Article • Journal of Dentistry, November 2017, Elsevier

    Dr Spyridon N. Papageorgiou

  33. The effect of obesity on orofacial pain during early orthodontic treatment with fixed appliances: a prospective cohort study

    Article • European Journal of Orthodontics, October 2017, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  34. Handling qualitative research outcomes

    Article • Journal of Orthodontics, October 2017, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  35. Are orthodontic systematic reviews registered a priori in PROSPERO?

    Article • Journal of Orthodontics, September 2017, Taylor & Francis

    Dr Spyridon N. Papageorgiou, Sofia Sideri

  36. Randomized clinical trials in orthodontics are rarely registered a priori and often published late or not at all

    Article • PLoS ONE, August 2017, PLOS

    Dr Spyridon N. Papageorgiou

  37. Open versus closed surgical exposure for permanent impacted canines: a systematic review and meta-analyses

    Article • European Journal of Orthodontics, July 2017, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  38. Effect of orthodontic treatment on periodontal clinical attachment: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, July 2017, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  39. Of significance and relevance

    Article • Journal of Orthodontics, July 2017, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  40. Vibrationen und Kieferorthopädie

    Article • Informationen aus Orthodontie & Kieferorthopädie, June 2017, Thieme Publishing Group

    Dr Spyridon N. Papageorgiou

  41. Treatment effects of various prescriptions and techniques for fixed orthodontic appliances

    Article • Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, April 2017, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  42. On the results of clinical studies

    Article • Journal of Orthodontics, April 2017, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  43. Inflammatory bowel disease and oral health: systematic review and a meta-analysis

    Article • Journal Of Clinical Periodontology, March 2017, Wiley

    Dr Spyridon N. Papageorgiou

  44. Torque differences due to the material variation of the orthodontic appliance: a finite element study

    Article • Progress in Orthodontics, February 2017, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  45. Impact of Obesity on Orthodontic Tooth Movement in Adolescents: A Prospective Clinical Cohort Study

    Article • Journal of Dental Research, January 2017, SAGE Publications

    Dr Spyridon N. Papageorgiou

  46. Molecular, Cellular and Pharmaceutical Aspects of Synthetic Hydroxyapatite Bone Substitutes for Oral and Maxillofacial Grafting

    Article • Current Pharmaceutical Biotechnology, January 2017, Bentham Science Publishers

    Dr Spyridon N. Papageorgiou

  47. Clinical trials to compare two treatments

    Article • Journal of Orthodontics, January 2017, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  48. Outcomes of comprehensive fixed appliance orthodontic treatment: A systematic review with meta-analysis and methodological overview

    Article • The Korean Journal of Orthodontics, January 2017, Korean Association of Orthodontists (KAMJE)

    Dr Spyridon N. Papageorgiou

  49. Torque differences according to tooth morphology and bracket placement: a finite element study

    Article • European Journal of Orthodontics, December 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  50. Effect of supplemental vibrational force on orthodontically induced inflammatory root resorption: A multicenter randomized clinical trial

    Article • American Journal of Orthodontics and Dentofacial Orthopedics, December 2016, Elsevier

    Dr Spyridon N. Papageorgiou

  51. Genetic interactions between the hedgehog co-receptors Gas1 and Boc regulate cell proliferation during murine palatogenesis

    Article • Oncotarget, November 2016, Impact Journals, LLC

    Dr Spyridon N. Papageorgiou

  52. Post-treatment changes in permanent retention  

    Article • Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, October 2016, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  53. Reply

    Article • European Journal of Orthodontics, October 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  54. Interventions for orthodontically induced white spot lesions: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, October 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  55. Effectiveness and Adverse Effects of Deep Brain Stimulation: Umbrella Review of Meta-Analyses

    Article • Journal of Neurological Surgery Part A Central European Neurosurgery, September 2016, Thieme Publishing Group

    Dr Spyridon N. Papageorgiou

  56. Overview provides insights on the current status and future of meta-epidemiology

    Article • Journal of Clinical Epidemiology, September 2016, Elsevier

    Dr Spyridon N. Papageorgiou

  57. Volumetric upper airway changes after rapid maxillary expansion: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, July 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  58. Evidence regarding lingual fixed orthodontic appliances' therapeutic and adverse effects is insufficient

    Article • Evidence-Based Dentistry, June 2016, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  59. Effectiveness of early orthopaedic treatment with headgear: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, May 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  60. Comparative effectiveness of natural and synthetic bone grafts in oral and maxillofacial surgery prior to insertion of dental implants: Systematic review and network meta-analysis of parallel and cluster randomized controlled trials

    Article • Journal of Dentistry, May 2016, Elsevier

    Dr Spyridon N. Papageorgiou

  61. Bias from historical control groups used in orthodontic research: a meta-epidemiological study

    Article • European Journal of Orthodontics, April 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  62. Corrosion behavior of dental alloys used for retention elements in prosthodontics

    Article • European Journal Of Oral Sciences, April 2016, Wiley

    Dr Spyridon N. Papageorgiou

  63. Reply

    Article • European Journal of Orthodontics, April 2016, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  64. Methodological quality and outcome of systematic reviews reporting on orthopaedic treatment for Class III malocclusion: Overview of systematic reviews

    Article • Journal of Orthodontics, April 2016, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  65. Lingual vs. labial fixed orthodontic appliances: systematic review and meta-analysis of treatment effects

    Article • European Journal Of Oral Sciences, February 2016, Wiley

    Dr Spyridon N. Papageorgiou

  66. Nickel ion concentrations in the saliva of patients treated with self-ligating fixed appliances: a prospective cohort study

    Article • Journal of Orofacial Orthopedics / Fortschritte der Kieferorthopädie, February 2016, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  67. Torque efficiency of square and rectangular archwires into 0.018 and 0.022 in. conventional brackets

    Article • Progress in Orthodontics, January 2016, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  68. Designing the Review

    Article • January 2016, Springer Science + Business Media

    Prof. Giuseppe Biondi-Zoccai, Dr Spyridon N. Papageorgiou

  69. Basic study design influences the results of orthodontic clinical investigations

    Article • Journal of Clinical Epidemiology, December 2015, Elsevier

    Dr Spyridon N. Papageorgiou

  70. Supplemental vibrational force does not reduce pain experience during initial alignment with fixed orthodontic appliances: a multicenter randomized clinical trial

    Article • Scientific Reports, November 2015, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  71. An Assessment of the Risk of Bias in Randomized Controlled Trial Reports Published in Prosthodontic and Implant Dentistry Journals

    Article • The International Journal of Prosthodontics, November 2015, Quintessence Publishing

    Dr Spyridon N. Papageorgiou

  72. Publication of statistically significant research findings in prosthodontics & implant dentistry in the context of other dental specialties

    Article • Journal of Dentistry, October 2015, Elsevier

    Dr Spyridon N. Papageorgiou

  73. Effect of material variation on the biomechanical behaviour of orthodontic fixed appliances: a finite element analysis

    Article • European Journal of Orthodontics, July 2015, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  74. Reporting quality of randomised controlled trials published in prosthodontic and implantology journals

    Article • Journal of Oral Rehabilitation, July 2015, Wiley

    Dr Spyridon N. Papageorgiou

  75. Treatment effects of fixed functional appliances in patients with Class II malocclusion: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, May 2015, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  76. Choice of effect measure for meta-analyses of dichotomous outcomes influenced the identified heterogeneity and direction of small-study effects

    Article • Journal of Clinical Epidemiology, May 2015, Elsevier

    Dr Spyridon N. Papageorgiou

  77. Autotransplantation of teeth in humans: a systematic review and meta-analysis

    Article • Clinical Oral Investigations, April 2015, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  78. Nickel hypersensitivity and orthodontic treatment: a systematic review and meta-analysis

    Article • Contact Dermatitis, April 2015, Wiley

    Dr Spyridon N. Papageorgiou

  79. Publication Bias & Small-study Effects in Pediatric Dentistry Meta-analyses

    Article • Journal of Evidence Based Dental Practice, March 2015, Elsevier

    Dr Spyridon N. Papageorgiou

  80. Effect of overweight/obesity on response to periodontal treatment: systematic review and a meta‐analysis

    Article • Journal Of Clinical Periodontology, February 2015, Wiley

    Dr Spyridon N. Papageorgiou

  81. Success rates and risk factors of miniscrew implants used as temporary anchorage devices for orthodontic purposes

    Article • January 2015, Elsevier

    Dr Spyridon N. Papageorgiou

  82. Meta-analysis for orthodontists: Part I – How to choose effect measure and statistical model

    Article • Journal of Orthodontics, December 2014, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  83. Meta-analysis for orthodontists: Part II – Is all that glitters gold?

    Article • Journal of Orthodontics, December 2014, Taylor & Francis

    Dr Spyridon N. Papageorgiou

  84. Treatment effects of removable functional appliances in patients with Class II malocclusion: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, November 2014, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  85. Non-syndromic and syndromic keratocystic odontogenic tumors: Systematic review and meta-analysis of recurrences

    Article • Journal of Cranio-Maxillofacial Surgery, October 2014, Elsevier

    Dr Spyridon N. Papageorgiou, Professor George K Sandor

  86. Reporting of Statistical Results in Prosthodontic and Implantology Journals: P Values or Confidence Intervals?

    Article • The International Journal of Prosthodontics, September 2014, Quintessence Publishing

    Dr Spyridon N. Papageorgiou

  87. Bias and small-study effects influence treatment effect estimates: a meta-epidemiological study in oral medicine

    Article • Journal of Clinical Epidemiology, September 2014, Elsevier

    Dr Spyridon N. Papageorgiou

  88. Longer treatment times with self-ligated orthodontic brackets

    Article • Evidence-Based Dentistry, September 2014, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  89. A systematic review and meta‐analysis of experimental clinical evidence on initial aligning archwires and archwire sequences

    Article • Orthodontics and Craniofacial Research, May 2014, Wiley

    Dr Spyridon N. Papageorgiou

  90. Assessing small study effects and publication bias in orthodontic meta-analyses: a meta-epidemiological study

    Article • Clinical Oral Investigations, February 2014, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  91. Limited evidence on the best position for prosthetic margins

    Article • Evidence-Based Dentistry, December 2013, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  92. Meta-analysis 101

    Article • American Journal of Orthodontics and Dentofacial Orthopedics, October 2013, Elsevier

    Dr Spyridon N. Papageorgiou

  93. Clinical effects of pre-adjusted edgewise orthodontic brackets: a systematic review and meta-analysis

    Article • European Journal of Orthodontics, September 2013, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  94. Current evidence on clinical performance of miniscrew implants in orthodontic treatment

    Article • Seminars in Orthodontics, September 2013, Elsevier

    Dr Spyridon N. Papageorgiou

  95. The effect of prosthetic margin location on caries susceptibility. A systematic review and meta-analysis

    Article • BDJ, June 2013, Springer Science + Business Media

    Dr Spyridon N. Papageorgiou

  96. Reporting characteristics of meta-analyses in orthodontics: methodological assessment and statistical recommendations

    Article • European Journal of Orthodontics, March 2013, Oxford University Press (OUP)

    Dr Spyridon N. Papageorgiou

  97. Effect of Non-Steroidal Anti-Inflammatory Drugs on Bone Turnover: An Evidence-Based Review

    Article • Reviews on Recent Clinical Trials, February 2013, Bentham Science Publishers

    Dr Spyridon N. Papageorgiou, Dr Thrasivoulos Tzellos

  98. Failure rates and associated risk factors of orthodontic miniscrew implants: A meta-analysis

    Article • American Journal of Orthodontics and Dentofacial Orthopedics, November 2012, Elsevier

    Dr Spyridon N. Papageorgiou

  99. Effectiveness of pre‐surgical infant orthopedic treatment for cleft lip and palate patients: a systematic review and meta‐analysis

    Article • Orthodontics and Craniofacial Research, August 2012, Wiley

    Dr Spyridon N. Papageorgiou

  100. Evaluation of methodology and quality characteristics of systematic reviews in orthodontics

    Article • Orthodontics and Craniofacial Research, July 2011, Wiley

    Dr Spyridon N. Papageorgiou

  101. Clinical Effectiveness of Orthodontic Miniscrew Implants: a Meta-analysis

    Article • Journal of Dental Research, May 2011, SAGE Publications

    Dr Spyridon N. Papageorgiou