The absence of interocclusal space, a common consequence of trauma, maxillofacial pathology or carious process, causes loss of function, compromised aesthetics for the patient, and represents a major challenge for the restorative dentist. Such cases were treated historically with dental procedures and orthodontic appliances, which, in turn, caused associated unwanted sequelae. The introduction of mini-implants for skeletal anchorage presents a change in treatment paradigm and provides a safe and successful management of the absent space without undesirable side effects. We present three cases of a successful adjustment of vertical correction with temporary skeletal anchorage from mini-implants.
[Show abstract][Hide abstract] ABSTRACT: Abstract Overeruption of teeth is a common occurrence following the loss of antagonist teeth that may result in functional issues such as loss of bone support and insufficient space for rehabilitation. Orthodontic procedures and surgical intrusion are the two possibilities of reestablishing the interocclusal space and allow the use of prostheses. For situations in which orthodontic and surgical procedures are not possible, the posterior occlusion can be restored through reduction of the dental crown height of the surrounding or antagonist teeth. However, when tooth reduction is required, it may lead to endodontic therapy before restoration. The use of orthodontic mini-implants or zygomatic miniplates as temporary anchorage devices has been proposed as an alternative treatment to intrude the overerupted upper molars. This therapy is preferred, due to its less-invasive nature, short-term favorable results, and a few necessary occlusal adjustments. In the present paper, three clinical cases of temporary anchorage devices, an orthodontic technique for tooth movement in small segments of the dental arch by the use of mini-implant and/or mini-plates attached to the maxillary or mandibular bone, prior to prosthetic rehabilitation are presented. These cases elucidate the importance of a multidisciplinary approach in complex prosthetic rehabilitations.
[Show abstract][Hide abstract] ABSTRACT: Dentition defect with malocclusion is a common occurrence in the clinical work. To restore proper occlusion, preprosthetic corrections of these malposed teeth are often indispensible. The use of orthodontic mini-implants as temporary anchorage devices provides a plausible treatment for those patients with local problems. The aim of this study was to present two cases using local orthodontic traction in conjunction with mini-implants to provide necessary conditions for implant rehabilitation in three dimensional space. Clinical consideration: Two cases who had dentition defect with malocclusion were included in the present study. As both of them rejected crown reduction or orthodontics treatment, local orthodontic traction by mini-implants was used to restore normal space for implant rehabilitation in three dimensions. Careful mechanics analysis and personalized mechanical device were under consideration. The results showed that the biological responses of the corrected teeth and the surrounding bony structures appeared normal and acceptable. Moreover the patients achieved an ideal local occlusion with a short treatment time.
In conclusion local orthodontic traction by mini-implants was a less-invasive and short-term method with favorable effects and less necessary occlusal adjustments.
International Journal of Clinical and Experimental Medicine 07/2015; 8(5):8178-84. · 1.28 Impact Factor
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