Study of premolar roots finds room for maxillary extractions
The closeness of the roots of the posterior maxillary teeth to the maxillary sinus makes treatment or extraction a challenge in these teeth. Practitioners are rightly concerned with maintaining the border of the maxillary sinus. However, a recent study in the Journal of Endodontics (August 13, 2014) found that, based on the calculated mean distances of almost 200 patients studied, only a few premolars (and also second premolars) present a

