Leczenie wady zgryzu kl. II u pacjentki w wieku dojrzewania za pomocą połączenia zmodyfikowanego aparatu Twin Block ze stałym aparatem ortodontycznym
Wersje anglojęzyczne
Cl II malocclusion treatment, using the modified Twin Block appliance coordinated with fixed orthodontics in a postmenarche patient
Functional appliances have been used for over a century in the treatment of Class II patients. These appliances have been used in clinical orthodontics for a long time (1). Functional appliances can be removable or fixed (2). The Twin Block appliance is one of the most commonly used functional appliances, partly due to its acceptability by patients (3). The main objective of therapy with functional appliances such as Twin Block is to induce supplementary lengthening of the mandible by stimulating increased growth at the condylar cartilage (2). It has been demonstrated that the effectiveness of the functional treatment of mandibular growth deficiencies strongly depends on the biological responsiveness of the condylar cartilage, which in turn is associated with the growth rate of the mandible (4).
The rate of mandibular growth, however, is not constant throughout the juvenile and adolescent periods, with the existence of a pubertal peak in mandibular growth described in classical cephalometric studies (5-10). The onset, duration, and intensity of this pubertal spurt in mandibular zęgrowth vary on an individual basis. Most of the literatures mentioned that one of the main indications of skeletal maturity marking the end of growth in females is menarche (4). Another more recent indication of growth is cervical vertebral maturation [...]
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