a new design for replacing a missing anterior tooth is described. in this article, a lingually fixed partial denture, its advantages, disadvantages, indication and contraindications have been explained. the ability of this design to replace a single missing central or lateral incisor is discussed.

The calculation of suspension bridge under vertical load is the most important content design and basis main component design. Combined with knowledge structural mechanics, this paper puts forward elastic foundation beam algorithm, deduces formulas for cross-section strength comparison sling, cable stiffening beam. In use, as long parameters are brought into formula, it more convenient fast com...