口腔固定修复总论英语.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,continuous clasp,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,continuous clasp,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,continuous clasp,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,continuous clasp,*,口腔固定修复总论英语,口腔固定修复总论英语口腔固定修复总论英语Summary,Summary,01,Removable partial denture,is a dental prosthesis that replaces the lost natural dentition and associated structures of maxilla or mandible;it can be removed conveniently from the mouth by the patient.,Indication,02,A variety of dentition defects,especially those with free end teeth.,01,Teeth missing with alveolar bone,jaw or soft tissue defect.,02,The need for transitional denture in the process of tooth extraction healing,.,03,Periodontal disease needs active splint fixation for loosening teeth.,04,Vertical occlusal distance is too low due to severe wear and tear on the occlusal surface or,loss of many,teeth.,05,After extraction,make an immediate denture or other special needs,06,formation,03,Rest,Any unit of a partial denture that rests on a tooth surface to provide vertical support is called a rest.,01,Maintains established occlusal relationships by preventing settling of the denture.,02,Prevention of food impaction and sometimes,it can be used as restoration of occlusion,03,Maintains components in their planned positions.,Its width and thickness should meet the requirements of materials.The width is 1/3 of molars dental diameters or 1/2 of premolars.The length is usually 1/4 of the molarmesiodistal or 1/3 of the premolar.,The thickness is about 11.5mm.,Retainer,is the part of removable partial denture to resist dislocation and obtain retention,support and stability,Direct retainers,Auxiliary direct retainer,，,mainly enhances the stability of denture and prevents the denture from warping,swinging,rotating and sinking.,Indirect retainers,The direct retainer resists the displacement of the denture away from the base and plays a major role in retention,ring clasp,half and half clasp,long arm clasp,combind clasp,continuous clasp,mesio-,rest,buccal I rod clasp,distal middle panel,connector,Major connectors,connects the components on the denture,such as clasps and brackets,with the,major,connector,s,and base.,Minor connectors,A major connector is the unit of partial denture that connect the parts of the prosthesis located on one side of the arch with those on the opposite side.,Palatal plate,lingual plate,Major connectors,base plate,The denture base supports artificial teeth and effects the transfer of occlusal forces to supporting oral structures.,Connection,：,A,rrange artificial teeth,connect denture parts into a whole.,R,epair deficiency：Repair of alveolar bone,jaw and soft tissue defects,Transfer occlusal force：Bear,transfer and dispersion of artificial teeth occlusal force,Retention and stabilization：Prevent rotation and warping of denture,Repair of maxillary sinus fistula with denture base,Artifical tooth,Replace missing natural teeth with artificial teeth to restore crown shape and masticatory function,Replacement of missing natural teeth to restore arch integrity,Establish normal occlusion,alignment and adjacency to restore masticatory function.,Auxiliary pronunciation,Restoration of dentition shape and,facial,shape,To prevent the remaining teeth elongation,tilt,shift and relationship disorder,conclusion,0,4,Kennedyrestclaspconnctorartifical tooth,case,RPD Use natural teeth,base mucosa and bone tissue as,support,；Relied on,r,etainer and base to,reposition,；,Restoration,of the shape and function of missing teeth with artificial teeth；,Restoration,of alveolar ridge,jaw and surrounding soft tissue with denture base material,.,Thank you!,谢谢观赏,