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Self-ligating fully customized lingual appliance and chair-time reduction: a typodont study followed by a randomized clinical trial

Dalessandri D et al. – In the study, the authors tested the hypothesis that self–ligation can reduce the chair time necessary for inserting and removing the archwire in a fully customized, multi–bracket, orthodontic, lingual appliance. In vivo performance improved after typodont training, allowing for difference reductions between operators. Lingual self–ligation appears to require less hands–on ability and ...

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Molecular changes in detrained & retrained adult jaw muscle

Odman AM et al. – Retraining made it possible for the slow (MYH 7) isoform levels to adapt to the increased mechanical load. The increased level of embryonic (MYH 3) isoform could be due to the need of creation of new MYH isoforms.   [button url="" size="normal" color="crimson" custom_color="" icon="{{icon}}" target="_blank"] ...

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Posterior crossbite and temporomandibular disorders (TMDs): need for orthodontic treatment

Thilander B et al. – As evident from the discussion, such type needs orthodontic treatment to rehabilitate the asymmetric muscular activity between the crossbite and non–crossbite sides and the changed condyle/temporal relationship caused by mandibular deviation. Whether this treatment also will avoid future TMD problems can be answered only after clinical follow–up studies have been performed.   [butt ...

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Impact of self-esteem on the relationship between orthodontic treatment need and oral health-related quality of life in 11- to 16-year-old children

De Baets E et al. – The interest in the psychological aspects of orthodontic treatment increases, but a drawback of many studies is that the psychological characteristics of the children themselves are often ignored. There was a significant relationship between orthodontic treatment need and OHRQoL, and between SE and oral health–related quality of life (OHRQoL). No evidence was found that SE moderates the ...

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In vitro determination of the mechanical and chemical properties of a fibre orthodontic retainer

Silvestrini–Biavati A et al. – The aim of the study was to analyse, in vitro, the chemical and mechanical properties of a new fibre retainer, Everstick, comparing its characteristics with the requirements for an orthodontic retainer. The fibre bundle was attacked by acids potentially present in the oral cavity; the degree of aggressiveness depending on the acid concentration. To preserve fibre bundles long ...

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