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A Journal on Dentistry and Maxillofacial Surgery
Minerva Stomatologica 2003 May;52(5):241-6
Relation between hypogonadism and malocclusion in beta-thalassemia major patients: analysis of 122 subjects
Piras V., Tuveri F., Dessì C., Pittau R., Origa R., Basile R., Muroni P. P., Pittau A.
Aim. The type of malocclusion most often seen in ß thalassemic patients is represented by Angle's II class, which however cannot be considered significant in the patients studied in this research. The only causal factor indicated by medical literature for this pathology is medullary hyperplasia due to inefficient erythropoiesis which occurs in patients transfused at low hemoglobin levels. The aim of this research is to evaluate the influence of other factors as well, particularly sexual development, the level of seric ferritin, ALT, and age at first transfusion.
Methods. One-hundred and twenty-two ß thalassemic patients and 39 homozygotes, aged between 16 and 27, undergoing treatment at the ''Ospedale Regionale per le Microcitemie di Cagliari'', have been analysed.
Results. The results of the statistic analysis have shown that hypogonadism can play an important role in determining malocclusions in male ß thalassemic patients (Odds ratio 4,5; CI 1,5-13). No other factor has shown any statistically relevant influence on dental occlusion.
Conclusion. It would therefore be interesting to further investigate the hormonal mechanisms that can alter bone development in thalassemic youngsters: the prevention of such alterations will surely contribute to improving the quality of life in these patients, particularly now that their life expectancy has been significantly extended by the progress made in transfusional therapy and ferrochelation.