What is a non-rigid connector?
What is a non-rigid connector?
Definitions www.indiandentalacademy.com. GPT-8 • Connector- The portion of fixed partial denture that unites the retainer and pontic • Non-rigid connector: – a connector that permits limited movement between otherwise independent members of a fixed partial denture.
When would you use a non-rigid connector?
The use of a non-rigid connector has been recommended to reduce this hazard. The non-rigid connector act as stress breaker between retainer and pontic instead of usual rigid connector. The movement in a non-rigid connector is enough to prevent the transfer of stress from segment being loaded to the rest of the FPD.
When would a non-rigid connector be indicated in a fixed dental prosthesis?
due to shrinkage and thus, affect the fitting of the prosthesis on the teeth. of anterior and posterior segments, a non -rigid connector is indicated as the mandible flexes mediolaterally during opening and closing strokes. The inadequate retentive ability of the abutments. Contraindications for non- rigid connector 9.
What is connector in dentistry?
“Connectors”, the term itself indicates connection or something that connects one thing to the other. In fixed Prosthodontics, connector refers to the portion of a fixed partial denture that unites the retainer and pontic. For two things to be joined together there should be a medium for it.
What are the indications of FPD?
Indication for FPD -Presence of sound teeth that can offer sufficient support adjacent to the edentulous space. -Cases with ridge resorption where a removable partial denture cannot be stable or retentive.
What is pier abutment in dentistry?
Pier abutment, also named inter- mediate abutment, is defined by the Glossary. of Prosthodontic Terms as a natural tooth. located between terminal abutments that. serve to support a fixed or removable dental.
What is a pier abutment in dentistry?
What is retainer FPD?
What is a Retainer? It’s that component of an FPD which takes support from the abutment tooth and provides retention to the prosthesis. A- Full coverage retainer These retainers cover all the five surfaces of the abutment tooth.
What is FPD in dental?
This procedure, commonly referred to as a “bridge,” is a way to replace a missing tooth with a fixed prosthesis. During this procedure the teeth on both sides of the area where the tooth is missing are prepared for a crown.
What are the contraindications of fixed partial restoration?
Contraindication for FPD Fixed partial dentures are generally avoided in the following conditions: • -Large amount of bone loss as in trauma. support. -Mentally sensitive patient who cannot cooperate with invasive treatment procedures. -Medically compromised patients( e.g. leukemia, hypertension).
What do you need to know about nonrigid connectors?
A nonrigid connector, a stress breaking mechanical union of retainer and pontic, is usually recommended in such situation. It is used in the form of key (tenon) attached to pontic and keyway (mortise) placed within the retainer.
What are 2.2 connectors in dental school?
Connectors –in fpd/ dentistry schools. 2. 2 Connectors are those parts of a fixed partial denture orsplint that join the individual Retainers and Pontics together. Usually this is accomplished with -“Rigid connectors” although nonrigid connectors are used occasionally.
How are non rigid connectors in fixed prosthesis made?
• Nonrigid connectors are generated through incorporation of prefabricated inserts in the wax pattern or • Through custom milling procedures after the first casting has been obtained. www.indiandentalacademy.com 26. • The second part is then custom-fitted to the milled retainer and cast. They are often made with prefabricated plastic patterns.
Where are non rigid connectors placed in wax pattern?
• The design of nonrigid connectors that are incorporated in the wax pattern stage consists of a mortise (also referred to as the female component) prepared within the contours of the retainer and a • Tenon (male) attached to the pontic. www.indiandentalacademy.com 29. • The mortise is usually placed on the distal aspect of the anterior retainer.