Prefrontal cortex neurons encode ambient light intensity differentially across regions and layers.

While light can affect emotional and cognitive processes of the medial prefrontal cortex (mPFC), no light-encoding was hitherto identified in this region. Here, extracellular recordings in awake mice revealed that over half of studied mPFC neurons showed photosensitivity, that was diminished by inhibition of intrinsically photosensitive retinal ganglion cells (ipRGCs), or of the upstream thalamic perihabenular nucleus (PHb). In 15% of mPFC photosensitive neurons, firing rate changed monotonically along light-intensity steps and gradients.

Dental sequellae of alveolar clefts: utility of endosseous implants. Part II: clinical cases.

This second part follows on from part 1 published in the previous issue of this journal. The aim of this publication is to offer teams specializing in the primary and secondary treatment of labio-alveolar-palatal clefts a prosthetic evaluation for more rational management of the dental sequellae of clefts for patients who, when they reach adulthood, often wish to improve their facial esthetics, in which the dental element plays an important part. The reorganization and restoration of the maxillary anterior teeth and their esthetic integration with respect to the face and lips would then be less of a problem for plastic surgeons and orthodontists.

Dental sequellae of alveolar clefts: utility of endosseous implants. Part I: therapeutic protocols.

The aim of this publication is to offer teams specializing in the primary and secondary treatment of labio-alveolar-palatal clefts a prosthetic evaluation for more rational management of the dental sequellae of clefts for patients who, when they reach adulthood, often wish to improve their facial esthetics, in which the dental element plays a significant part. The reorganization and restoration of the upper anterior teeth, and their esthetic integration with respect to the face and lips, would then be less of a problem for plastic surgeons or orthodontists. In this respect, the installation in this sector of implants, following ambitious bone surgery involving the sacrifice, in bilateral forms, of the teeth of the medial process is a protocol that could usefully be taken into account.

Fixed bonded prosthodontics: a 10-year follow-up report. Part II. Clinical assessment.

The survival rates of resin-bonded fixed partial dentures, bonded splints, and bonded combination splints and fixed partial dentures (splints with pontics replacing one or two missing teeth) were determined. For statistical analysis, the splints and splint-prostheses were combined into one group. The average age of all devices combined was 5.

Fixed bonded prosthodontics: a 10-year follow-up report. Part I: Analytical overview.

Developments in biomaterials in the field of adhesion have made possible a less invasive dentistry. Improvements in adhesive polymers along with the analysis of certain failures in resin-bonded prostheses have suggested the micropreparation of abutment teeth. A long-term study of resin-bonded prostheses and splints was undertaken.