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Aesthetic anterior restorations for children and young adults.

Indications for aesthetic anterior restorations include caries, trauma, congenital enamel defects, unaesthetic contour and shape of teeth, tooth discolouration and minor tooth malalignment. Conventional Class III, IV or V cavities can be restored with third and fourth generation composite resins, while glass ionomer cement can be used to restore Class III or V cavities. Laboratory fabricated resin or porcelain veneers enable major shape or colour adjustments of the labial surfaces of anterior teeth. They may be used to treat unaesthetic defects on the tooth surface, moderate to severe tooth discolouration and minor tooth malalignments. The clinical techniques of these restorative treatment modalities have been presented.

Adolescent↗

[Invisible orthodontics: lingual orthodontics].

After an historical, a description of the appliance and the problems met in lingual orthodontics, the authors show that it has come to maturity. Indirect bonding is one of the main elements contributing to success. A large iconography illustrates the different stages of the laboratory and presents an overview of the clinical possibilities of lingual orthodontics.

Dental Bonding↗

[Fracture injuries of the mandibular arch. A repair technic].

The authors describe a technique for reduction of external lateral displacement of the posterior portions of the mandibular arch following unifocal or multifocal fractures. To achieve reduction they use a basilar wire transfixing the floor of the mouth and stretched between two horizontal branches, most often combined with a symphyseal osteosynthesis. This study of ten cases demonstrates the good functional and cosmetic results obtained with this method.

Adult↗

[Quantitative evaluation of reflectance of some acrylic resins mixed with powdered enamel and/or natural quartz].

Autopolymerizing acrylic resins for temporary prothesis and crown veneering have been mixed with dental enamel and/or quartz in powder form in different percentages, to simulate optical properties of the tooth. The analysis of our measurements of apparent reflectance of those mixings show that is possible to approximate several of those values to the ones corresponding to natural tooth; being sufficient to follow the formulation given++ in this paper.

Acrylic Resins↗