Poor shoulder function after hemiarthroplasty is often associated with nonunion, displacement and resorption of tuberosity fragments, which often leads to revision arthroplasty using an inverse design [ 15].
The study by DeShields et al. [[32]] reported weak to moderate correlation between anteroposterior apical displacement and root resorption.
The spectrum ranges from a small unilocular lesion, to a much larger lesion with ill-defined margins, multiple loculations, and associated tooth displacement or root resorption [18].
Other radiographic features included cortical thinning and perforation (8/18 cases), tooth displacement (8/18 cases), and root resorption (14/18 cases).
A weak to moderate positive correlation between treatment duration and root resorption, and anteroposterior apical displacement and root resorption was found.
Ellis and Hinton showed that animals in which there was evidence of posterior displacement of the condyles showed evidence of resorption of the posterior surface of the condyle and anterior surface of the post-glenoid spine [12].
The method of fixation, the amount of advancement and set back movement, the distraction of the condyle, the displacement of the proximal segment, idiopathic condylar resorption, and the interaction of the para-mandibular connective tissues are considered to be the possible causes of relapse [9 18].
Geramy [13], in a finite element study, showed that the more resorption may result in greater incisal displacement of the apex.
The Mitek mini-anchor technique is applicable to cases of disc displacement of various etiologies, including adolescent internal condylar resorption (AICR) [15, 16].
They displaced 4362 MT at designed displacement.
