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A removable partial denture (RPD) is a denture for a partially edentulous patient who desires to have replacement teeth for functional or aesthetic reasons and who cannot have a bridge (a fixed partial denture) for any reason, such as a lack of required teeth to serve as support for a bridge (i.e. distal abutments) or financial limitations.
Adams clasps are used for retention of these removable appliances and are usually fabricated in the molar areas. They are usually manufactured from 0.7mm hard stainless steel wire (HSSW), or 0.6mm HSSW when planned for deciduous teeth. [5] Removal of the appliance is usually performed by holding the bridge of this clasp.
The wire for a permanent tooth is typically 0.7mm in diameter but 0.8mm can also be used, especially for clasps that are made to fit two teeth. [9] A clasp for a deciduous tooth can be made from 0.6mm [7] or 0.7mm wire [5] [6] and 0.6mm wire has been advocated for a canine. [6]
An Akers' clasp is the classic direct retainer for removable partial dentures. [1] Named after its inventor, Polk E. Akers, this suprabulge clasp consists of a rest, a guide plate, a retentive arm and a reciprocal arm. Akers' clasps, as a rule, face away from an edentulous area. Should they face the edentulous area, they are termed reverse ...
In addition to schools, the CLASP system was also used in the 1960s for the buildings of the University of York, designed by architect Andrew Derbyshire between 1961 and 1963. [2] An unusual, perhaps unique use of the system is the Catholic church of St Michael and All Angels in Wombwell, South Yorkshire. Wombwell is prone to mining subsidence ...
Supreme Court Chief Justice John Roberts issued a warning on Tuesday that the United States must maintain "judicial independence" just weeks away from President-elect Donald Trump's inauguration. ...
Dish racks can get dingy, sometimes even rusty and can become a headache to clean. This solid upgrade comes with a cutlery holder and a bowl rack built-in. Best of all, no gross puddles thanks to ...
Thus, the orthodontic wire clasps used to retain interim palatal lift prostheses are sometimes extended in a mesial direction up to two mesiodistal tooth diameters. Clasps designed in this fashion can be flexed laterally by patients or their caregivers to facilitate the insertion and removal of the interim palatal lift prosthesis.