The Secrets of Biomechanics (2021) by GUSTAVO H. GAMEIRO PDF

Description

In this book, you will have access to valuable information about a branch of orthodontic biomechanics that very few professionals have mastered – the use of statically indeterminate appliances to perform specific tooth movements. Are teeth migrations to edentulous spaces, asymmetries, loss of periodontal support, impacted teeth, teeth with root resorption and retreatment problems that sound familiar to you? I believe so, and these are the topics that will be addressed. After all, knowing where you want to go, what the best paths are, as well as the possible associated difficulties, makes the processes of diagnosis and orthodontic treatment much more predictable and efficient. To help you tread this kind of path, I have selected for this book a group of four appliances that will add invaluable versatility to your orthodontic arsenal, especially for the treatment of complex cases, which might be the rule rather than the exception in a clinic for adult patients. Namely: transpalatal bars, lingual arches, rectangular loops and root correction springs.

This book presents, in a clear and illustrative way, the main biomechanical concepts necessary for you to have CONTROL over the force systems applied in different situations. Particularly, when large teeth such as molars and canines are poorly positioned, the separation between active (the tooth you want to move) and the reactive (the tooth or accessory that will serve as anchorage) units is no longer an option, nearly becoming an obligation. This is the essence of segmented arch techniques. As we will never be able to circumvent the immutable laws of physics, our best alternative is to master them and use them in our favor, and most importantly: in our patients’ favor. The current trend in orthodontics is the search for devices that are increasingly discreet and easy to handle. In addition, the science of dental materials and digital technology offer us countless possibilities to move teeth more efficiently and with less occurrence of side effects. But despite all this progress, it is important to emphasize that most of these “new” appliances still have limited action on the complex cases mentioned above. Therefore, I invite you, dear reader, to embark on this journey to knowledge of segmented arch techniques. It won’t be necessary to significantly alter your routine or give up your favorite techniques. The segmented appliances shown in this book are intended to ADD UPP to your repertoire, to be an alternative in cases where specific and precise movements are needed.

If you consider the segmented appliances “outdated” or unnecessary and are asking yourself whether it is worth investing your time in reading this book, rest assured: one of the secrets revealed here is precisely the UNIVERSALITY of the concepts demonstrated. That is, the biomechanical principles presented here will literally be present in any appliance in the universe employing force systems to move teeth. An old expression that became a proverb says: “All roads lead to Rome”. If we consider Rome as the destination of our treatments, which objectives were described decades ago by Tweed (health, esthetics, function and stability), this statement becomes highly questionable due to the high complexity involved in the processes of diagnosis, planning and orthodontic treatment. We all pursue these goals, but the paths leading to them are not always easy. Numerous “surprises” and obstacles appear along the way, to the point that it is common for us to devote a good part of the treatment time to correcting the side effects of the mechanics used. Therefore, I believe there is no better COMPASS than scientific biomechanics. By employing it, we can choose the speed, comfort and conditions through which we will reach our destination. Which kind of path do you prefer? Those with unpredictability, insecurity, side effects and iatrogenics? Or an alternative one, with predictability, security, confidence and control over the desired and unwanted movements of your treatments? If you chose the second option, I wish you a great read!

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Biomechanics