Open bite is a deviation in the vertical relationship of maxillary and mandibular arches characterized by a lack of contact between opposing segments of teeth. Opening in the anterior may develop from interaction of many etiologic factors, both hereditary and environmental. If it is associated with craniofacial malformations, it is difficult to treat and tend to relapse so early treatment during the primary and mixed dentition period has been advocated to reduce the need of treatment in the permanent dentition when surgery becomes viable option.
An interceptive orthodontic appliance that is made up of acrylic occlusal splint is indicated for the early correction of skeletal anterior open bite. Unlike the conventional splint, it has spring loaded blocks to guide the vertical force against the posterior teeth and alveolar process, hence, enhanced condylar growth to a more anterior superior direction and significant forward mandibular movement are produced resulting to a normal vertical relationship of anterior teeth.
Early Correction of Skeletal Open Bite Using Spring Loaded Bite Blocks – http://www.bracescost.tv/correction-open-bite-spring-loaded-bite-blck
by: Dr. Cristina D. Alinsunurin