Orthodontic mini-implant stability and the ratio of pilot hole implant diameter
نویسندگان
چکیده
منابع مشابه
Effects of Orthodontic Mini-implant Diameter on Microdamage
Microdamage reduces bone mechanical properties and thus could possibly contribute to implant failure. The objective of this study was to investigate whether the diameter of mini-implants (MI) affects microdamage generation and whether this differs between the mandible and maxilla due to their contrasting cortical thicknesses. Methods: Maxillary and mandibular quadrants of 5 dogs were randomly a...
متن کاملMechanical influence of thread pitch on orthodontic mini-implant stability.
The aim of this study was to evaluate the effect of pitch distance on the primary stability (PS) of orthodontic mini-implants (MIs) in artificial bone. Twenty experimental MIs were allocated to two groups, according to their geometric design: G1 (30o X 0.6 mm) and G2 (45o X 0.8 mm), and inserted into artificial bone of different densities: D1 (0.32 g/cm3) and D2 (0.64 g/cm3). The maximum insert...
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Orthodontic anchorage is defined as resistance to undesired tooth movement. In the anteroposterior dimension, 3 anchorage situations are traditionally defined by the ratio of incisor retraction to molar protraction. While moderate anchorage entails reciprocal space closure, maximum anchorage means that most of the space is closed by retraction of the incisors, and minimum anchorage means that m...
متن کاملEvaluation of orthodontic mini-implant placement: a CBCT study
BACKGROUND Optimal positioning of orthodontic mini-implants is essential for a successful treatment with skeletal anchorage. This study aims to compare the accuracy of two-dimensional radiographs with a cone beam computed tomography (CBCT) for mini-implant placement. METHODS An ideal site for mini-implant placement at the buccal interradicular space between the second premolar and the first m...
متن کاملEffect of mini-implant length and diameter on primary stability under loading with two force levels.
Mini-implants are widely utilized as anchorage units in orthodontic treatment. Nevertheless, there are factors that interfere with their clinical performance. The aim of this study was to examine the impact of length and diameter on the primary stability of two different types of orthodontic mini-implants loaded with two force levels. A total of 90 self-drilling mini-implants were inserted in b...
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ژورنال
عنوان ژورنال: The European Journal of Orthodontics
سال: 2011
ISSN: 0141-5387,1460-2210
DOI: 10.1093/ejo/cjq157