Aluminum and vanadium have been related to diseases such as
osteomalacia, anemia, neurotoxicity, pulmonary granulomatosis, and
kidney lesions [22–24]. These problems may not be relevant in the
orthodontic context due to both the small size of mini-implant, and
the short time inside the bone. However,metallic ion release can impair
the osseointegration and the biocompatibility of the device. Corrosion
resistance in body fluids plays an important role in the biocompatibility
process and in the implant maintenance in human tissues. Moreover,
metallic particles can be lost by abrasion during torque insertion and
removal of the mini-implants, and can be deposited in the surround
bone tissue, impairing the osseointegration [25]. Thus, cpTi is more
biocompatible, less toxic, and more resistant than Ti-6Al-4 V alloy.
Nevertheless, its mechanical properties are unsuitable for orthodontic
applications, which require load support in a device with small dimensions
[24].
Aluminum and vanadium have been related to diseases such as
osteomalacia, anemia, neurotoxicity, pulmonary granulomatosis, and
kidney lesions [22–24]. These problems may not be relevant in the
orthodontic context due to both the small size of mini-implant, and
the short time inside the bone. However,metallic ion release can impair
the osseointegration and the biocompatibility of the device. Corrosion
resistance in body fluids plays an important role in the biocompatibility
process and in the implant maintenance in human tissues. Moreover,
metallic particles can be lost by abrasion during torque insertion and
removal of the mini-implants, and can be deposited in the surround
bone tissue, impairing the osseointegration [25]. Thus, cpTi is more
biocompatible, less toxic, and more resistant than Ti-6Al-4 V alloy.
Nevertheless, its mechanical properties are unsuitable for orthodontic
applications, which require load support in a device with small dimensions
[24].
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