Quantification et modélisation des forces et des moments appliqués à l'intérieur des attaches orthodontiques placées sur une arcade dentaire dans les trois dimensions de l'espace

Abstract : Prolonged forces are applied on the teeth by orthodontie deviees, using arch wires inserted into brackets, leading to the orthodontie teeth movements. This displacement is the result of biomechanics but also the biological responses of the surrounding periodontal tissues. Our aim is to quantify the forces and moments applied on the orthodontie brackets, during the insertion of a shape memory alloy, at the scale of a three-dimensional dental arch. Our work presents a protocol combining experimentation and numerical modelling. This innovative methodology enables measuring the forces and moments applied during the first stage of an orthodontie treatment, when a 0.014-inch nickel-titanium arch wire is inserted into a maxillary arch. This first step will help in the definition of individualized treatments, applying the necessarymechanical forces without being iatrogenic.
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Delphine Wagner. Quantification et modélisation des forces et des moments appliqués à l'intérieur des attaches orthodontiques placées sur une arcade dentaire dans les trois dimensions de l'espace. Biomécanique [physics.med-ph]. Université de Strasbourg, 2018. Français. ⟨NNT : 2018STRAD020⟩. ⟨tel-02159424⟩

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