V-shaped microthreaded dental implant design can be preferred over Power-shaped microthreaded dental implant for proper stress distribution and for promoting osseointegration.
These results, suggest that in both delayed loading and immediate loading protocol that cross arch prostheses can be successfully supported by 3 and 2 implants in maxillary and mandibular arch respectively-"Simpli5y" concept of full mouth restoration.
Thus, based on the numerical analysis results, a classification was designed, which will indicate that for a particular amount of masticatory load, a particular dimension of implant has to be selected, rather than just selecting the implant based on the available bone and its dimensions without knowing the load the implant is going to take once it is loaded.
Aims:To evaluate dimensional stability when various combinations of dental plaster and dental stone are used as an investment material.Context: Dental plaster is routinely used as an investing material to acrylize dentures with some acceptable linear dimensional changes in the finished acrylic denture. This study aimed to evaluate which combination of dental plaster and dental stone, when used as an investment, will produce fewer linear dimensional changes in acrylic dentures.
Materials and methods:An aluminum block is prepared with sharp margins. The block is invested with various combinations of dental plaster and dental stone. The linear dimensional changes are measured using a digital caliper.
Statistical analysis:The results obtained were subjected to statistical analysis using analysis of variance test.
Results:Investing with 100% dental stone and a combination of 70% dental stone and 30% dental plaster showed fewer dimensional changes.
Conclusion:A combination containing higher percentage of dental stone may be used for investing to produce a finished denture with fewer linear dimensional changes.
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