Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study
El-Zanaty, G., Kotb, A., El-Beialy, A., Seif El-Din, N., Abd-El-Ghafour, M. (2025). Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study. EKB Journal Management System, 71(2), 1111-1120. doi: 10.21608/edj.2025.354303.3349
Ghada A. El-Zanaty; Ahmed Kotb; Amr El-Beialy; Nouran F. Seif El-Din; Mohamed Abd-El-Ghafour. "Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study". EKB Journal Management System, 71, 2, 2025, 1111-1120. doi: 10.21608/edj.2025.354303.3349
El-Zanaty, G., Kotb, A., El-Beialy, A., Seif El-Din, N., Abd-El-Ghafour, M. (2025). 'Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study', EKB Journal Management System, 71(2), pp. 1111-1120. doi: 10.21608/edj.2025.354303.3349
El-Zanaty, G., Kotb, A., El-Beialy, A., Seif El-Din, N., Abd-El-Ghafour, M. Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study. EKB Journal Management System, 2025; 71(2): 1111-1120. doi: 10.21608/edj.2025.354303.3349

Changes of Posterior Crossbite Representation in Centric Occlusion in contrast to Maximum Intercuspation in Adult Orthodontic Patients using Digital Models: A Cross-Sectional Study

Egyptian Dental Journal
Volume 71, Issue 2 - Serial Number 1, April 2025, Page 1111-1120  XML PDF (1.4 MB)
Document Type: Original Article
DOI: 10.21608/edj.2025.354303.3349
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Authors
Ghada A. El-Zanaty email orcid 1; Ahmed Kotborcid 2; Amr El-Beialyorcid 3; Nouran F. Seif El-Dinorcid 4; Mohamed Abd-El-Ghafourorcid 4
1Resident, Department of Orthodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt.
2Lecturer, Department of Prosthodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt.
3Professor, Department of Pediatric Plastic Surgery, Faculty of Medicine, Cairo University, Cairo, Egypt.
4Lecturer, Department of Orthodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt.
Abstract
Introduction: Aim of the current study was to reveal the effect of centric relation(CR)/maximum intercuspation (MI) discrepancy on changing the posterior crossbite diagnosis in adult orthodontic patients. Material and method: One hundred and one patients were recruited in the current study. For each patient both MI and CR were recorded using digital workflow. The presence or absence of unilateral and bilateral posterior crossbite was identified in each occlusion. Results:Mandibular displacement from CR to MI affected the clinical presentation of posterior crossbite.There was a statistically significant difference between incidence of bilateral posterior crossbite in centric relation records versus maximum intercuspation with less significant difference in the incidence of unilateral posterior cross bite while evaluating the 2 occlusion patterns. Conclusion: Based on the reached results, there is increased incidence of posterior cross bite development in centric occlusion in comparison to the maximum intercuspation. Recording the centric occlusion in orthodontic patients might be of diagnostic value regarding the development of posterior cross bite.
Keywords
Centric relation; Maximum intercuspation, cross bite
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