Management of multiple anterior crossbite with Catlan’s appliance during early mixed dentition

Introduction: Anterior crossbite, particularly during the mixed dentition stage, is a frequently encountered malocclusion affecting approximately 4–5% of the pediatric population. When left untreated, it may lead to complications in function, esthetics, and jaw development. Early intervention is essential to guide proper occlusal relationships.

Case History: A 10-year-old patient presented with a chief complaint of reversed bite involving the upper front teeth, specifically teeth 11, 12, 21, and 22. The patient reported decreased self-confidence due to the appearance of the bite. A fixed Catlan’s inclined bite plane appliance had already been placed on the lower anterior teeth, and the patient came in for follow-up and monitoring.

Discussion: Treatment of anterior crossbite can involve various removable or fixed appliances, with inclined bite planes offering the advantage of minimal dependence on patient compliance. Catlan’s appliance, a lower inclined bite plane, facilitates proper overjet and overbite relationships through a simple yet effective mechanism. In this case, its use allowed correction of a four-incisor anterior crossbite efficiently, without damaging dental or periodontal structures.

Conclusion: Early correction of anterior crossbite using Catlan’s appliance can be a reliable, non-invasive, and quick solution, particularly when patient cooperation is limited. This case highlights the importance of timely diagnosis and the choice of an appropriate fixed appliance in supporting esthetic and functional rehabilitation.