Biomedical papers - Ahead of Print

Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. X:X | 10.5507/bp.2018.017

The mineral content of the hard dental tissue of mesiodens

Sanja Tanaskovic-Stankovica, Irena Tanaskovica, Nemanja Jovicica, Marina Miletic-Kovacevica, Tatjana Kanjevacb, Zoran Milosavljevica
a Institute for Histology and Embryology, Faculty of Medical Sciences, University of Kragujevac, Serbia
b Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Serbia

Objective: Mesiodens is the most common form of supernumerary tooth mainly located between the maxillary central incisors. Its etiology is not completely understood but both genetic and environmental factors are assumed. The degree of mineralization and inorganic element content in hard tooth tissues is poorly understood as well as is the durability and suitability for allo- and auto-transplantation. Therefore aim of this study was to examine the content of inorganic elements.

Materials and Methods: This study included 26 mesiodens teeth and 26 normal central incisor teeth as controls. All specimens were prepared for SEM/EDS analysis which was aimed at specific sites on the enamel, dentine and cementum in order to evaluate the weight percentage and ratio of important inorganic elements.

Results: and Conclusion. The results showed that there was a difference in the weight percentage of selected inorganic elements (calcium, phosphorus, oxygen, carbon, magnesium and sodium) in all three types of dental hard tissues but the differences were mostly expressed in the cementum tissue. The statistical analysis showed that the differences were marginally significant especially for calcium and phosphorus values and ratio in the enamel and dentine. The carbon and magnesium content in all three hard tissues showed the most differences, but overall, the hard tissues mineral content of the mesiodens did not differs significantly from healthy teeth.

Keywords: mesiodens, elemental composition, dentin, enamel, cementum

Received: March 16, 2018; Accepted: April 4, 2018; Prepublished online: May 15, 2018


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