[Surface treatment of mineralized tissue: different approaches and prospects].

This paper review the effects of orthophosphoric acid and other acidic agents on dental enamel. The effects of other treatments such as proteolytic agents or of mixture able to remove the lipids are also described. Specific problems are related to the dentine treatment.

[Emergency treatment: coronal restoration with pulpal-dentinal protection. Splints].

The authors, explain the need of a pulpo-dentinal protection, and present the way to adopt in case of dental traumas, as well for hard tissues (coronal and radicular) and for non calcified tissues (luxations). This protection allows a cicatrisation of dento-periodontal tissues.