[Treatment of a canal with a "C" configuration]. / Le traitement des canaux présentant une configuration dite en "C".

The prevalence of "C" shaped root canals in the second mandibular molars is relatively low, but diagnosis and treatment of these canals are sometimes difficult. Through clinical cases, the authors emphasize on the importance of preoperative X-rays and describe convenient preparation techniques. Some "C" shaped canals are difficult to interpretate because of the thickness of bone trabeculae, and a "C" shaped canal must be suspected when the roots are fuse and/or very close each other.

[Root canal treatment and esthetic reconstruction in traumatology]. / Le traitement radiculaire et les reconstitutions esthétiques en traumatologie.

The use of calcium hydroxide in the treatment of traumatic injuries are reviewed in this paper and demonstrated by some clinical cases. The necessity of a proper crown reconstruction is also emphasized as it is impossible to use posts in these treatments.