This is the first classification system to link CBCT and MRI with the use of contrast medium. Contrast-enhanced MRI is an internationally recognized technique that permits acute inflammation to be unequivocally diagnosed. Although structural erosion of the TMJs in our arthritis group was generally severe and significant, we were surprised to observe some cases that were clinically asymptomatic.

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Dental appearance has a psychosocial impact on private and job-related interactions, which can increase the motivation of those affected to seek treament. Our orthodontic OHRQoL survey proved to be informative and practical. Findings that were especially striking included the patients' high acceptance of the changes induced by treatment and their high willingness to recommend such treatment to other adults.

The majority of patients exhibited stable treatment outcomes. Maxillary advancement procedures were found to be less susceptible to relapse-resulting in more stable outcomes-and mandibular setback distances correlated positively with the degree of the relapse. No statistically significant differences were observed between the procedures conducted in both jaws versus in the lower jaw only, or in the extent of upper-jaw repositioning.

Acceptable bond strengths were obtained with all material combinations. A caries-infiltrant applied before bracket fixation has a protective effect, especially on demineralized enamel.