[Evaluation of crown-root restorations in non-vital teeth. Survey of dentists in the city of Abidjan].

Coronal-radicular restoration is the coronal reconstruction of an endodontically treated tooth, with a support on and in the root. The objective of this study is to assess the importance of the carried coronal-radicular restorations in the dental practice in Abidjan. It is about a prospective survey of 100 dental surgeons practicing in the city of Abidjan, pulled at random.

[Effects of electropolishing on rupture resistance in cyclic fatigue and on the surface condition of endodontic instruments].

Unlabelled: The Nickel-titanium (Ni-Ti) instruments superelasticity does not does not allow to anticipate rupture.

Aim: This study evaluates the effect of electropolishing time on the rupture resistance in flexion fatigue of the endodontics Ni-Ti instruments.

Methods: 48 HeroShapers 6% 25/100 are divided into 4 groups of surface treatment (without electropolishing, with electropolishing of 70, 80 or 90 seconds).

[Survey of general dental practitioners in Abidjan on the use of the operatory field in dentistry].

Rubber dam is a standard operatory field in operative dentistry and endodontics. It is undoubtedly the most certain way to insure the success of therapeutics acts. Its use by Abidjan practitioners has been the subject of our study which aim is to underline the place of rubber dam in daily practice.

[Dental amalgams and mercury polemic in Abidjan].

Dental amalgam is metallic biomaterials which has raised a number of controversies in the past few years, because of mercury potential toxicity. Considering the significance of theses controversies, this study was carried out with a view to evaluating the behaviour of Abidjan-based practitioners with respect to dental amalgam. The contemplated objective is to determine the frequency in the use of dental amalgam, to identify the problems encountered using dental amalgam and to propose solutions for fighting mercury contamination.

[A clinical study of gingival tattooing].

Tattooing gingiva is a current practice in traditional areas. Only women are concerned by it. Thus this study recommends to evaluate clinical characteristics of tattooed gingiva and their influence on the woman's beauty and elegance.