Application of the inverted classroom model in the teaching module "new classification of periodontal and peri-implant diseases and conditions" during the COVID-19 pandemic
- PMID: 34286069
- PMCID: PMC8256130
- DOI: 10.3205/zma001485
Application of the inverted classroom model in the teaching module "new classification of periodontal and peri-implant diseases and conditions" during the COVID-19 pandemic
Abstract
Background: Due to the need for patient-free dental education during the COVID-19 pandemic, Hannover Medical School (MHH) implemented a new periodontology module. Its didactic structure was based on the "inverted classroom model" (ICM) in combination with elements of case-based learning. The educational objective was to increase the diagnostic confidence of dental students in the classification of periodontal patients (staging & grading), based on 33 digitized patient cases. To assess the suitability of the module for future dental curricula, this study aimed to evaluate student satisfaction and skills acquisition. Methods: The periodontology module, which was attended by final year dental students of MHH (n=55, mean age: 26.5±3.9 years, male/female ratio: 24.1%/75.9%) was evaluated in a two-tiered way. Student satisfaction was recorded using a questionnaire. Learning success was assessed by comparing error rates in patient case classifications before (T0) and after (T1) participation in the periodontology module. Results: The study found a high level of student satisfaction with the ICM format and a significant reduction in error rates (T0 error rate=28.3%; MV±SD=3.12±1.67 vs. T1 error rate=18.7%; MV±SD=2.06±1.81; Δ=9.6%). However, of the 11 diagnostic decisions required, only four parameters (extent, grading, percentage of bone loss per age, phenotype) showed significant improvements, with effect sizes ranging from small to medium. Conclusions: The ICM-based teaching concept is definitely not an alternative to patient-based learning. However, in regard to student satisfaction and learning success, it might be superior to conventional classroom-based lectures, especially when complex topics are covered. In summary, the newly developed periodontology module may be a useful addition to traditional dental education in future curricula, even for the time after the COVID-19 pandemic.
Hintergrund: Im Zuge der Patienten-freien Lehre zur Zeit der COVID-19-Pandemie wurde ein auf dem „Inverted Classroom Model“ (ICM) basierendes Parodontologie-Modul in die zahnmedizinische Lehre eingeführt. Anhand von 33 digital ausgearbeiteten Patientenfällen sollte die diagnostische Sicherheit von angehenden Zahnärztinnen und Zahnärzten bei der Klassifizierung parodontal erkrankter Patienten (Staging & Grading) gesteigert werden. Um die Eignung des Moduls auch hinsichtlich der Entwicklung zukünftiger, zahnmedizinischer Curricula überprüfen zu können, war es das Ziel dieser Studie, die Zufriedenheit und den Kompetenzerwerb der Studierenden zu ermitteln.Methodik: Die Evaluation des Parodontologie-Moduls, das von Zahnmedizinstudierenden der Medizinischen Hochschule Hannover aus dem 10. Semester (n=55, mittleres Alter: 26,5±3,9 Jahre, Verhältnis männlich/ weiblich: 23,6%/76,4%) besucht wurde, erfolgte zweigeteilt. So wurde die studentische Zufriedenheit Fragebogen-basiert erfasst. Der Lernerfolg wurde durch den statistischen Vergleich der Fehlerquote bei der Klassifizierung eines Patientenfalls vor (T0) und nach (T1) Teilnahme am Parodontologie-Modul ermittelt.Ergebnisse: Es konnte eine hohe Zufriedenheit der Studierenden mit dem ICM-Format sowie eine signifikante Reduktion der Fehlerquote (T0 Fehlerquote=28,3%; MW±SA=3,12±1,67 vs. T1 Fehlerquote=18,7%; MW±SA=2,06±1,81; Δ=9,6%) festgestellt werden. Von den insgesamt 11 diagnostischen Entscheidungen zeigten aber nur vier Parameter (Ausdehnung, Grading, prozentualer Knochenabbau pro Alter, Phänotyp) eine signifikante Verbesserung mit schwach- bis mittelgradiger Effektstärke.Schlussfolgerung: Das ICM-basierte Lehrkonzept stellt sicherlich keine Alternative zur Patienten-basierten Lehre dar, könnte aber hinsichtlich der Lehrzufriedenheit und des Lernerfolgs insbesondere bei komplexen Themengebieten der klassischen Präsenz-basierten Vorlesung überlegen sein. Das neu entwickelte Parodontologie-Modul stellt auch für die Zeit nach der COVID-19-Pandemie eine sinnvolle Ergänzung in der zahnmedizinischen Lehre dar.
Keywords: COVID-19; case-based learning; dental education; inverted classroom model; new classification of periodontal diseases; periodontitis; student-centered.
Copyright © 2021 Crome et al.
Conflict of interest statement
The authors declare that they have no competing interests.
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