Introduction
Partial denture are commonly use in dental field for patients with missing tooth. By having a partial denture in mouth, it is likely that it will move during functioning. Movements of partial denture in mouth is due to the response to functional loads, as these are not rigidly connected to teeth or tissues. It is essential to consider all the possibilities to stop these movements during the design. Biomechanical considerations are required in their design in order to produce RPD that pleases patient and is stable when in the mouth. During the development stages of the RPD every component should be designed to control the possible movements which can be vertical displacements, rotations toward, away or horizontally across the underlying tissue (Carr et al., 2005). In order to reduce these problems static analysis should be carried out. Static analysis of the models is carried in order to determine the best location of the rests and clasps to reduce the axis of rotation to produce a partial denture which is fully functional without the tipping effect.
Static analysis is essential in dentistry while constructing partial dentures. Static analysis is recommended in order to determine how the denture reacts to forces placed on the various saddle constructions. Information gathered during static analysis enables us to draw conclusions as to the detailed design of the structural elements as well as indications on the limits of use for the cast partial denture. Static analysis must be completed after designing the base but prior to planning for the anchorage. However, static analysis represents a theoretical determination, and not a structural element of the partial denture.
Once in mouth, Partial denture tend to displace und...
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... support for a long lingual bar major connector or an extensive palatal major connector. For class IV, the indirect retainer must be located as far posterior as possible (Devenport et al., 2001).
Conclusion
Aesthetics is a matter of great concern for patients receiving partial denture, however, the function of partial denture in mouth is greatly important. By having a partial denture in mouth there are forces action in mouth during functioning which might displace or dislodge the denture. However, the displacement or tipping movement of partial denture can be reduced by having indirect retainer. But, carrying out static analysis during the designing of partial denture will solve the problem hugely. Static analysis enables us to see how the denture reacts to forces and from that we can design an RPD which will be stable, and will satisfy patient need and demand.
S, L. (2002, March 12). Arch Wired. Retrieved February 19, 2014, from A brief history of braces: http://www.archedwire.com/HistoryofOrtho.htm
The delivery of dental care requires excellent endurance of the motor skills for prolonged periods of time. These muscles seem to get tired quickly and start to w...
Our team offers removable dentures to patients needing to replace some or all of their natural teeth. Our dentures are custom-designed for a secure fit. We offer both complete denture and partial denture options to meet your specific
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...for each individual tooth which gave them the look and feel of brand new teeth. These teeth were fitted to the people’s mouth and mounted down with steel springs ("Technology Timeline.").
The contraction moulding method can be used to process an acrylic denture base. In this method, bite blocks are fabricated in the lab and sent to the clinic for patient trial. These are then received from the clinic and teeth are mounted onto the bite blocks. The wax is eliminated and teeth are pressurized and attached onto a gypsum mould. (McCabe and Walls. 2008.) Sodium alginate is applied onto the mould to act as a separator to prevent any monomer from the acrylic base seeping into the base and the mould. Acrylic PMMA is applied onto the mould and either heat-cured or auto-polymerized. Both of these curing methods form the...
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If the aim is achieved, residents will be provided with optimal denture care including correct cleaning and storage handling, this will improve the quality of oral health for denture
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