There is a tendency to non-extraction treatment in borderline cases over the last two decades. The aim of present research was to reveal the peculiarities in changes of sagittal and transversal effects of dental arches in treatment II class malocclusion with passive self-ligation brackets. Prognosis of the outcome value is quite important issue, but it still has not been investigated enough. This article presents the results of investigations the diagnostic models of dental arches conducted before and after orthodontic treatment with passive self-ligation brackets in 14 patients with II class malocclusion. As a result of treatment of patients with permanent Class II malocclusion by passive self-ligation brackets, the greatest extension was determined in the region of premolars of the upper and lower dentition. In the result of segmental analysis of the dental arches by method A. Lundstrom credibly determined the appearance of space for teeth in the upper dentition in the segment S2, S3, S4 and S5 and in the lower dentition S2, S5 segments. There were significant changes in inclination of the central incisors at the patients with Class II division 2 after treatment. As a result of treatment of patients with permanent Class II malocclusion by passive self-ligation brackets were credibly determined the movement of the first upper molars distally.
- 1. Попов, С. А., Тихонов А. В., Баша О. В. Изменение трансверсальных и сагиттальных параметров зубных рядов при лечении не растущих пациентов со скученным положением зубов с использованием системы пассивного самолигирования // Ортодонтия. - 2014. - № 3(67). - С. 38 - 46.
- 2. Проффит,У. Р. Современная ортодонтия /У. Р. Проффит; под ред. Л. С. Персина. - М.: МЕДпресс-информ, 2008. -560 с.
- 3. Реброва, О. Ю. Статистический анализ медицинских данных. - М., МедиаСфера, 2002. - 312 с.
- 4. Токаревич, И. В. [и др.]. Основы ортодонтии: учеб.-метод. пособие. - Минск: БГМУ, 2010. - 107 с.
- 5. Токаревич, И. В. [и др.]. Несъемная техника в ортодонтии: учеб.-метод, пособие. - Минск: БГМУ, 2014. - 64 с.
- 6. Damon, D. Н. The rationale, evolution and clinical application of the self-ligating bracket // Clin. Orthod. Res. -1998. - Vol. 1, № 1. - P. 52-61.
- 7. Fleming, P. S., Johal A. Self-Ligating Brackets in Orthodontics: A Systematic Review // Angle Orthod. - 2010. -Vol.80. - P. 575-584.
- 8. Linden, F. P. G. M. Dimensional and positional changes in rugae / F. P. G. M. Linden //J. Dent. Res. - 1973. - Vol. 52. -P. 281.