A modified ACCO for Class II nonextraction treatment.
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Biomedical subjects
Publications and source records attributed to B Giuliano Maino.
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The stability of the anchorage unit plays a very important role in orthodontic control. Controlled orthodontic movements such as retraction and/or protraction of teeth and intrusion of overerupted teeth are very difficult to achieve without patient cooperation and without causing undesirable reciprocal movement in the anchorage unit. The article describes characteristics, surgical procedure, and clinical use of the Spider Screw as an ideal non-dental and non-cooperation based anchorage system. The Spider Screws are self-tapping, titanium mini-screws with immediate loading capability. Their utilization involves a simple biomechanical principle combined with the utilization of minimum orthodontic mechanotherapy. Ideal orthodontic forces (in the range from 50 to 250 gr) can be applied to achieve the desired orthodontic movements. Complete osteointegration is neither expected nor desired with this anchorage system. The Spider Screw anchorage system can be used to support a variety of orthodontic movements specifically in clinical situations involving incomplete dental arches and limited cooperation as in many adult orthodontic cases. The ease of surgical placement combined with the reduced dimension of the Spider Screw diameter equally permits its use in clinical situations where anchorage recovery is necessary during treatment of complete dentitions in classical orthodontic therapy.
Orthodontics was the first discipline to be acknowledged as such within the field of dentistry, initially in the USA and subsequently in Europe. The structural changes that led to the birth of the European Union (EU) laid the foundations for the free circulation of professions and services. Nevertheless a deep discrepancy in the quality of training of practitioners from different countries became apparent. It was necessary to address this issue and regulate the training process in order to guarantee a degree of uniformity. Up to this time only the duration of the School of Specialisation in Orthodontics has been set at a minimum of three years. While moving towards an increasing degree of integration of the various EU countries, it becomes paramount to be able to establish a School of Specialisation in Orthodontics with high academic standards based on the Erasmus Programme and above all to be able to award a specialisation degree which is acknowledged first of all in the country where it is issued and also on a wider European level. Freedom of circulation of intellectual activities requires the formal acknowledgement of a qualification, namely the Specialisation in Orthodontics. Also to that end, EFOSA (European Federation of Specialists in Orthodontics) was founded. Furthermore the European Community has, in the meantime, ruled that medical trainees should be remunerated for their work. Dentistry and its specialisations should not follow the model of Medicine given that the two are completely distinct, but many believe that the duration of the School of Specialisation in Orthodontics has to be set as the same as the medical specialisations.
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