2008
DOI: 10.1111/j.1365-2842.2008.01868.x
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Effect of direct retainer and major connector designs on RPD and abutment tooth movement dynamics

Abstract: Designs of removable partial dentures are suggested to affect the mobility of abutment teeth and removable partial denture (RPD) during oral functions. This study aimed to examine the effect of direct retainer and major connector designs on RPD dynamics under simulated loading. Six different Kennedy class II maxillary RPDs were fabricated on a maxillary model. These dentures involved 3 different direct retainers (wrought-wire clasp, RPA clasp, and conical crown telescopic retainer) and 2 different major connec… Show more

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Cited by 31 publications
(31 citation statements)
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“…On the other hand, the disadvantage of this collapsible denture could be the collapsible property of the lingual bar with the use of hinge attachment that may cause possible stresses on the abutment teeth and alveolar ridges . The potential stresses could be reduced by using rigid cast clasps, minor connectors, an indirect retainer, and maximum alveolar support.…”
Section: Discussionmentioning
confidence: 99%
“…On the other hand, the disadvantage of this collapsible denture could be the collapsible property of the lingual bar with the use of hinge attachment that may cause possible stresses on the abutment teeth and alveolar ridges . The potential stresses could be reduced by using rigid cast clasps, minor connectors, an indirect retainer, and maximum alveolar support.…”
Section: Discussionmentioning
confidence: 99%
“…It is a unit to which all other parts are directly or indirectly attached. The choice, the designer, and the location of the major connector should be based on these rules: These connectors must be rigid and provide cross-arch stability through the principle of broad distribution of stress; Do not interfere with and are not irritating to the tongue, gingival tissue, and bony and soft tissue prominences; Do not cover more tissue than is absolutely necessary; and, Minimize food impaction [22].…”
Section: ) Choice Of the Major Connectormentioning
confidence: 99%
“…Rigidity: Rigidity is the major requisite of MCs, through which stresses that are applied to any component of the RPD are efficiently distributed over the entire supporting area, including abutment teeth, underlying bone and soft tissues in addition to resist OPEN ACCESS http://scidoc.org/IJDOS.php flexing and torquing forces and the effectiveness in transmitting applied occlusal forces to the both sides of the framework [4,[6][7][8][9][10][11]. Rigidity has been investigated by flexibility or amount of deflection.…”
Section: Requirementsmentioning
confidence: 99%