Assessment of Variations of The Number of Roots &amp; Root Canal Configurations of Permanent Maxillary Premolars and their Relation to the Floor of the Maxillary sinus in a Sample of Egyptian Population using CBCT: An Observational Cross-Sectional Study
Assessment of Variations of The Number of Roots &amp; Root Canal Configurations of Permanent Maxillary Premolars and their Relation to the Floor of the Maxillary sinus