Introduction, Terminology & Classification Of Fixed Prosthodontics PDF

Introduction,Terminology & Classification of Fixed prosthodontics eq ar d T e am oh Dr. Mohamed Tareq Fahmi Lecturer of fixed prosthodontics  eq ar d T e am Prot...

Introduction,Terminology & Classification of Fixed prosthodontics eq ar d T e am oh Dr. Mohamed Tareq Fahmi Lecturer of fixed prosthodontics  eq ar d T e am Prothesis oh It Is an artificial M replacement of a missing body part  PROSTHODONTICS eq ar It is that branch of dentistry T concerning the restoration and maintenance of the oral ed function, comfort, appearance am and health of the patient by the restoration of the natural teeth oh or replacement of missing teeth and oral and maxillo-facial tissues with artificial substitutes.  PROSTHODONTICS It is that branch of dentistry concerning the eq restoration and ar maintenance of the oral function, comfort, d T e appearance and health of the patient by the restoration of the natural teeth or replacement of am missing teeth and oral and maxillo-facial tissues oh with artificial substitutes. M  PROSTHODONTICS It is that branch of dentistry concerning the restoration and eq maintenance of the oral ar function, comfort, appearance and health of the patient by the d T restoration of the natural teeth e or replacement of missing teeth and oral and maxillo-facial am tissues with artificial substitutes. oh M  Fixed Prosthodontics e q a r d T e a m o h M Is that branch of prosthodontics concerned with the restoration or replacement of teeth by artificial substitutes (bridge) that are not removable from the mouth  Extra-coronal restoration Fixed (crown) Prosthodontics Intra-coronal restoration restorations Intra-radicular restoration eq ar d T e am oh M Extra-coronal restoration (crown) q Intra-coronal restoration Intra-radicular restoration r e T a e d a m o h MFixed Prosthodontics restorations  Fixed Prosthodontics restorations eq Extra-coronal restoration ar (crown) d T e Intra-coronal restoration m Intra-radicular restoration ha o M  Extra-coronal restoration eq (crown) ar It is an arti cial replacement d T that restores missing tooth e structure by surrounding am h most or all of the remaining o structure with a material such M as a cast metal, porcelain, or a combination of materials such as metal and porcelain fi Extra-coronal restoration (crown) It is an arti cial replacement that restores missing tooth structure by surrounding most or all of the remaining structure with a material such as a cast metal, porcelain, or a combination of materials such as metal and porcelain fi  It is intended To reproduce the function of the tooth Extra-coronal restoration eq To restore or enhance (crown) ar the appearance d T e am oh M  Extra-coronal restoration eq (crown) ar d T It can be divided to: e am h Full coverage ( full veneer crown) o Partial coverage ( partial veneer crown) M  Full coverage crown ( full veneer crown) eq ar An extra coronal restoration that d T involves all of the e surfaces of the am clinical crown Gains its retention oh by encircling the tooth M The restoration material may be: eq All metal ar d T All non-metallic e am oh Metal-ceramic combination M The restoration material may be: All metal Acrylic All non-metallic Ceramic Metal-ceramic combination The restoration material may be: All metal Full veneered crown All non-metallic Metal-ceramic combination Veneered crown  Extra-coronal restoration eq (crown) ar d T It can be divided to: e am h Full coverage ( full veneer crown) o Partial coverage ( partial veneer crown) M  eq Partial coverage ar crown ( partial veneer crown) d T e An extra coronal am restoration that restores only a portion oh of the clinical crown. M  Partial veneer crown gains its retention by: 1- Grooves: - mesial & distal - labio-proximal line angle eq - buccal & lingual ar - buccal & mesial d T e m 2-Pins 3- Grooves & Pins ha o M  Partial veneer crown gains its retention by: 1- Grooves: mesial & distal Three-Quarter Cr. Reverse Three-Quarter Cr.  Partial veneer crown gains its retention by: 1- Grooves: labio-proximal line angle Mc-boyle Retainer  Partial veneer crown gains its retention by: 1- Grooves: buccal & lingual Half crown  Partial veneer crown gains its retention by: 1- Grooves: buccal & lingual Half crown  Partial veneer crown gains its retention by: eq 2-Pins: ar d T Pin-Ledge Retainer e am oh M  Partial veneer crown gains its retention by: eq ar d T 2-Pins: e am Pin-Ledge Retainer oh M  Partial veneer crown gains its retention by: 2-Pins: Pin-Ledge Retainer  Partial veneer crown gains its retention by: 3- Grooves & Pins Modified Three- Quarter Cr. Dental veneers (laminate) eq ar If you want to improve your smile or correct any d T tooth defect, dental e veneers are a simple am h option Veneers are thin o M coverings that are placed over the front (visible) part of the tooth. Dental veneers (laminate) eq ar Veneers are made d T of either porcelain e or composite resin material. am Porcelain Veneers oh is a thin shell that is custom-made M to fit on the tooth.  Extra-coronal restoration Fixed (crown) Prosthodontics Intra-coronal restoration restorations q Intra-radicular restoration e ar d T e am oh M Extra-coronal restoration (crown) Intra-coronal restoration Intra-radicular restoration e q a r d T e a m oh M Fixed Prosthodontics restorations Intra-coronal Inlay restoration It is an intracoronal cast restoration, eq restoring the ar proximal and occlusal surface of d T the tooth but does e not protect or cover the cusp am oh M  Used to support the Intra-coronal restoration occlusal rest in fixed- supported bridge. eq OM / OD Inlay ar MOD Inlay d T e am oh M Intra-coronal restoration eq Onlay ar d T Is a modification e of the MOD inlay with cusp overlay am on the occlusal oh surface to protect the integrity of M the remaining tooth structure Intra-coronal restoration e q a r d T e a m o h Overlays M cover a much larger portion of the occlusal or biting surface Intra-coronal restoration e q a r d T e am o h Overlays M They are often compared to partial crowns The main difference lies in the preparation of the tooth, Overlays require less preparation of the tooth and therefore keep more of the natural tooth structure intact.  Intra-coronal eq restoration ar Pinlays d T e Characterized by the use of pins to strengthen am retention Any inlay, onlay and oh overlay which are braced by pins are called pinlays It is important that the M base of the pin should lie in tooth surface that is free of damage.  Intra-coronal restoration Pinlays Characterized by the use of pins to strengthen retention Any inlay, onlay and overlay which are braced by pins are called pinlays It is important that the base of the pin should lie in tooth surface that is free of damage. Intra-coronal restoration Extra-coronal restoration (crown) Intra-coronal restoration eq Intra-radicular restoration ar d T e am oh M Fixed Prosthodontics restorations  Fixed Prosthodontics restorations eq Extra-coronal restoration ar (crown) d T e Intra-coronal restoration m Intra-radicular restoration ha o M  Intra-radicular restoration Radicular retained restorations consist of A post or dowel An attached core that obtains its retention and resistance to displacement from post inserted in the prepared root portion of an endodontically treated tooth  eq Intra-radicular ar restoration d T e am Endocrown oh M Intra-radicular restoration  Fixed Prosthodontics restorations eq Extra-coronal restoration ar (crown) d T e Intra-coronal restoration m Intra-radicular restoration ha o M The fixed partial denture (FPD) is a dental restoration II. Bridge used to replace (Fixed missing teeth and that is permanently Partial attached to Denture) adjacent teeth or dental implants Components of bridge eq ar d T e am oh M  eq Classification of Bridges ar d T a) According to e b) retention According to am c) material According to oh position M  According eq to retention ar d T Simple Bridge e m 1. Fixed-fixed bridge. a 2. Fixed-support Bridge. h 3. Fixed-free (cantilever)Bridge. o 4. Spring cantilever Bridge. 5. Removable Bridge. Compound Bridge Is a combination type bridge M composed of two or more of the simple types.  1-Fixed-Fixed Bridge Is a bridge in eq which the ar T pontics and retainers are soldered ed m together at both ends and the ha bridge is o cemented at both ends to M the abutment teeth 2-Fixed-Supported Bridge Is a bridge in which the pontic is connected to the retainer at one end by a solder joint and by a non-rigid connector at the other end allowing some individual movement of the abutment.  e q 3-Fixed-Free Bridge a r (Cantilever Bridge) d T e am o h Mbridge with its pontic is soldered Is a and derives its support from one or two retainers at one end only while the other end is unsupported 4-Spring Cantilever Bridge Is a cantilever bridge where the pontic is at the eq end of resilient curved ar T arm rested on the palate deriving its support from an abutment remote from the edentulous area ed (palatal spring) am oh  Classification of Bridges eq a) According to ar b) retention According to d T material e c) According to am position oh M According to material eq ar All metal d T e am All non-metallic oh Metal-ceramic combination M The restoration material may be: All metal Acrylic All non-metallic Ceramic Metal-ceramic combination The restoration material may be: All metal Full veneered bridge All non-metallic Metal-ceramic combination Veneered bridge  Classification of Bridges eq a) According to ar b) retention According to d T material e c) According to am position oh M  According to position eq ar d T e am Anterior bridge oh 1. Unilateral 2. Bilateral M According to position eq Posterior bridge ar d T e am oh M  According to position eq Complex Bridge ar d T It is a bridge that e m extends from the anterior segment of the dental arch to the ha posterior one passing o the canine area M  Classification of Bridges eq ar a) According to retention d T b) According to e c) material According to am position oh M  Cast metal partial veneer eq that is bonded ar to etched d T enamel e am oh M Resin Bonded Bridge (Maryland bridge)  Cast metal eq partial veneer ar that is bonded d T to etched enamel e am oh M Resin Bonded Bridge (Minimal preparation bridge)  Implants Prosthetic devise of inert material eq implanted into the ar oral tissues beneath d T the mucosal and/or periosteal layer e within the bone to am provide retention and support for a oh fixed or removable prosthesis. M  e q Implants a r d T e am Prosthetic devise of inert material o h implanted beneath into the the mucosal oral tissues and/or M periosteal layer within the bone provide retention and support for to a fixed or removable prosthesis.