Topography of the pulp chamber in the maxillary primary molars of a Tunisian children.

Background: Knowledge of the variations in pulp chamber topography is very useful to the dentist while performing endodontic access cavity in primary teeth.

Aim: To determine the horizontal crown dimensions and the pulp chamber topography of shedding maxillary primary molars in a sample of Tunisian children.

Materials And Methods: Forty two maxillary primary molars (24 first and 18 second molars) were used.

The effect of etidronate on the periodontium of ovariectomized rats.

Background: Bisphosphonates are indicated for the treatment of osteoporosis. However, they could have an adverse effect on specific sites, such as the bisphosphonate-related osteonecrosis of the jaw. The aim of this study is to investigate the effect of etidronate on the resorption and apposition sides of the periodontium in ovariectomized rats.