Removable Partial Denture PDF

REMOVABLE PARTIAL DONTICS PROSTHO DENTURE 2 WELCO- ME TO TODAY'S CLASS! GENERAL PROSTHODONTICS art and science of SUPPLYING or PROVIDING REPLACEMENT * Prosthetic of the missing body part refers to the field of research...

REMOVABLE PARTIAL DONTICS PROSTHO DENTURE 2 WELCO- ME TO TODAY'S CLASS! GENERAL PROSTHODONTICS art and science of SUPPLYING or PROVIDING REPLACEMENT * Prosthetic of the missing body part refers to the field of research and expertise in DESIGNING and BUILDING artificial limbs * Prosthesis ARTIFICIAL REPLACEMENT of the missing part of the human body branch of Dentistry pertaining to MAINTENANCE and * Prosthodontics RESTORATION of oral function, comfort, health and general appearance of patient by REPLACING missing tooth or teeth and its contagious structure with an ARTIFICIAL SUBSTITUTE  OBJECTIVES OF PROSTHODONTIC TREATMENT OF PARTIALLY EDENTULOUS INDIVIDUALS WITH RPD RESTORATIONS Restoration of oral functions that are Preservation of the health comfortable, esthetically Elimination of oral disease and relationships of the pleasing, and do not to the greatest extent teeth and health of oral and interfere with the patient's possible paraoral structures speech Tooth loss was WHY listed as the second most frequent cause of disability among the elderly after cataract. RPD? WHEN TO RECOMMEND RPD? * Economic considerations Cases where FPD is * contraindicated (Abutment) * Long span edentulous area WHEN TO RECOMMEND RPD? * Esthetics * Excessive bone loss * Age WHEN TO RECOMMEND RPD? Periodontal support of * remaining teeth is reduced * When cross arch stabilization is required Need for immediate * replacement of extracted teeth WHEN TO RECOMMEND RPD? * Emotional problems * Patient desires PHASES PARTIAL DENTURE OF SERVICE DIAGNOSIS PATIENT EDUCATION AND process of informing a patient about a health matter to secure informed consent, patient cooperation, and a high level of PATIENT patient compliance EDUCATION begin at the initial diagnosis and should continue throughout treatment "THE DENTIST AND THE PATIENT SHARE RESPONSIBILITY FOR THE ULTIMATE SUCCESS OF A REMOVABLE PARTIAL DENTURE" TREATMENT PLANNING, DESIGN, TREATMENT SEQUENCING, AN MOUTH PREPARATION D 01 04 RESPONSES OF TEETH & CARIES RESIDUAL RIDGES TO PREVIOUS STRESS 02 EXISTING RESTORATIONS 05 VITALITY OF REMAINING TEETH 03 PERIODONTAL CONDITIONS SUPPORT DISTAL EXTENSION DENTURE BASES FOR OBTAINING ADEQUATE SUPPORT FOR DISTAL EXTENSION BASES ESTABLISHMENT VERIFICATION OCCLUSAL AND OF RELATIONS AN TOOTH ARRANGEMENTS D TOOTH-SUPPORTED ridge form is of less significance than it is for the tooth- and tissue-supported prosthesis jaw relation records should be made only after DISTAL EXTENSION the best possible support is obtained for the denture base "Final jaw relations should not be recorded until after the denture framework has been returned to the dentist, the fit of the framework to the abutment teeth and opposing occlusion has been verified and corrected, and a corrected impression has been made." INITIAL PATIENT PROCEDURES Minute changes in the planned occlusal relationships occur during processing of the dentures Not only must occlusal harmony be ensured before the patient is given possession of the dentures, but the processed bases must be reasonably perfected to fit the basal seats PERIODIC RECALL monitor the condition of the oral tissue, the response to tooth restorations, the prosthesis, the patient’s acceptance, and the patient’s commitment to maintain oral hygiene 6-month recall period is adequate for most patients, more frequent evaluation may be required for some  DEFINITION OF TERMS BRIEF INTRODUCTION RETENTION & STABILITY * Retention resists VERTICAL forces of dislodgement quality of a prosthesis to be firm, stable, or constant * Stability and to resist displacement by FRICTIONAL, HORIZONTAL, or ROTATIONAL stresses TOOTH & SOFT TISSUE * (borne) Tooth-supported receive all their support from the ABUTMENT TEETH supported at one end by NATURAL TEETH, which essentially * Tooth-tissue- supported (borne) do not move, and at the other end by the DENTURE BEARING TISSUE (mucosa overlying bone) which moves because of the resiliency of the mucosa * Distal extension partial denture base extending posteriorly on a removable partial denture LET'S DISCUSS AND ANALYZE LET'S A DISCUSS C AND B ANALYZE TOOTH & SOFT TISSUE a tooth, a portion of a tooth, or that portion of an implant that * Abutment SUPPORT and RETAIN a prosthesis part of a structure that directly receives thrust or pressure ANCHORAGE * Residual Ridge portion of the RESIDUAL BONE and its SOFT TISSUE covering that remains after the removal of teeth LET'S DISCUSS AND ANALYZE Abutment Residual Ridge COMPONENTS OF PARTIAL DENTURE * Major Connector JOINS the components on one side of the arch to those on the OPPOSITE side * Minor Connector CONNECTING LINK between the MAJOR CONNECTOR or base of RPD prosthesis and the OTHER UNITS of the prosthesis LET'S DISCUSS Major Connector AND ANALYZE COMPONENTS OF PARTIAL DENTURE used to RETAIN and PREVENT DISLODGEMENT * Direct Retainer commonly called "clasp" or "clasp unit" composed of four components REST, RETENTIVE ARM, RECIPROCAL ARM, MINOR CONNECTOR PREVENTS or RESISTS MOVEMENTS or ROTATIONS of the * Indirect Retainer base away from residual ridge composed of one component, REST COMPONENTS OF PARTIAL DENTURE * Rest a rigid extension of RPD which contacts a tooth to DISSIPATE FORCES FLEXIBLE SEGMENT that engages an undercut on an abutment * Retentive Arm and is designed to retain the denture tapered end * Reciprocal Arm resist tooth movements in response to the retainer arm  Direct Indirect Retainer Retainer LET'S DISCUSS AND ANALYZE LET'S Rest DISCUSS Retentive Arm AND Reciprocal Arm ANALYZE PLAY LEARN AND ACTIVITY I'll flash four sets of statements. Each set has two truths and one lie (obviously). TWO TRUTHS AND A LIE STATEMENT DIRECT RETAINER has only one component, rest. 01 02 STATEMENT PROSTHESIS is an artificial replacement of the missing part of a human body. 03 STATEMENT ABUTMENT is a structure that directly receives thrusts or pressure. TWO TRUTHS AND A LIE STATEMENT REST is a rigid extension of RPD which dissipates forces 01 STATEMENT RETENTIVE ARM has a tapered part that engages an undercut on abutment tooth 02 03 STATEMENT RECIPROCAL ARM is a flexible segment that is designed to retain the denture TWO TRUTHS AND A LIE 01 MINOR CONNECTOR is a connecting link STATEMENT between major connectors and other parts of prosthesis STATEMENT MAJOR CONNECTOR joins the components on one side to the other 02 STATEMENT INDIRECT RETAINER is used to retain and prevent dislodgement 03 TWO TRUTHSAND A LIE 01 ABUTMENT serves as the anchorage of the STATEMENT prosthesis 02 DIRECT RETAINER has four components. Rest, STATEMENT retentive arm, reciprocal arm, and major connector. STATEMENT RECIPROCAL ARM resists movement in response to the retainer arm 03 COMPONENTS OF PARTIAL DENTURE * Denture Base COVERS the residual ridges and supports denture teeth plane which guides movement Guide * two or more PARALLEL AXIAL SURFACES ON ABUTMENT Plane TEETH which limit the path of insertion  Guide Plane LET'S DISCUSS AND Denture Base ANALYZE TRY LEARN AND ACTIVITY LOOK AT THIS ILLUSTRATION Pick a letter, identify the part, give a short description OTHER TERMS Interim / a dental prosthesis to be used for a short interval of * Provisional Denture time for reasons of esthetics, mastication, occlusal support, or convenience OTHER TERMS * Height of Contour the measurement of a tooth from the lingual to the vestibular surface at its GREATEST BULGE * Undercut the portion of the surface of an object that is BELOW THE HEIGHT OF CONTOUR in relation to the path of placement. * Dental Cast Surveyor an instrument used to determine the relative parallelism of two or more axial surfaces of teeth or other parts of a cast LET'S DISCUSS AND ANALYZE OTHER TERMS resurfacing the tissue side of a denture with a new material to * Relining FILL THE SPACE that exists between the original denture contour and the altered tissue contour the process of REPLACING THE ENTIRE ACRYLIC DENTURE * Rebasing BASE providing a stable denture without replacing the denture teeth LET'S DISCUSS AND ANALYZE SUMMARY TODAY'S CLASS OF BASIC TERMS IN PROSTHODONTICS 01 Prosthodontics, Prosthesis, Prosthetics BASIC PARTS OF RPD MajorConnector Minor Connector 02 Retentive Arm Reciprocal Arm Guide Plane Direct Retainer Residual Ridge Indirect Retainer Abutmennt Rest Denture Base THANK YOU FOR JOINING TODAY'S CLASS. "Luck is when opportunity meets preparedness."