Palatal transverse deficiency of the maxilla is a common component of both dental and skeletal malocclusions, usually accompanied by posterior crossbite, upper crowding, or both. Although crossbite occurs in 6-30% of the general population,1,2 the rate of spontaneous self-correction is only 0-9%, even after oral habits and similar etiological factors have been resolved.3,4 The chances of successfully expanding the maxillary bony base declines with patient age.5 Therefore, the clinician needs an accurate early diagnosis to classify the patient’s maxillary deficiency and apply the most appropriate clinical protocols.6.
Evolution of the Leaf Expander: A Maxillary Self Expander / Beretta, M.; Lanteri, C.; Lanteri, V.; Cherchi, C.; Franchi, L.; Gianolio, A.. - In: JOURNAL OF CLINICAL ORTHODONTICS. - ISSN 0022-3875. - 53:5(2019), pp. 260-266.
Evolution of the Leaf Expander: A Maxillary Self Expander
Lanteri V.;
2019
Abstract
Palatal transverse deficiency of the maxilla is a common component of both dental and skeletal malocclusions, usually accompanied by posterior crossbite, upper crowding, or both. Although crossbite occurs in 6-30% of the general population,1,2 the rate of spontaneous self-correction is only 0-9%, even after oral habits and similar etiological factors have been resolved.3,4 The chances of successfully expanding the maxillary bony base declines with patient age.5 Therefore, the clinician needs an accurate early diagnosis to classify the patient’s maxillary deficiency and apply the most appropriate clinical protocols.6.
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