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Cavity Preparation - Europe PMC

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Last Updated: 02 February 2022

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Ten-year comparison of two different techniques for femoral bone cavity preparation-broaching versus compaction in patients with cementless total hip arthroplasty : a randomized radiostereometric study of 30 total hip arthroplasties in 15 patients operated bilaterally.

In animal models, Aims Femoral bone preparation using compaction technique has been shown to maintain bone and increase implant fixation. In terms of migration, clinical, and radiological outcomes, there are no significant long-term differences between compaction and broaching techniques for primary total hip arthroplasty. Methods A total of 28 patients received a single stage of THA with femoral stems cementless. Results over a mean stem subsidence period of 10. 6 years were found in the broaching group and a mean of -0. 73 mm in the compaction group, with a mean of -1. 20 mm in the broaching group and a mean of -0. 73 mm in the compaction group following a mean of 0. 8 mm in the compaction group. Conclusions At long-term follow-up, similar stem subsidence, radiological, and clinical findings were uncovered after the use of compaction and broaching techniques of the femur.

Source link: https://europepmc.org/article/MED/34865512


Guided endodontics: accuracy of access cavity preparation and discrimination of angular and linear deviation on canal accessing ability-an ex vivo study.

This paper is designed to assess the gratification of canal accessibility ex vivo and determine the predictability of angular and linear variation on canal accessibility ex vivo. Method Eighty-four extracted human teeth were mounted into six jaw models and categorized into three groups: anterior teeth, premolar, and molar. Tomography and surface scans were collected and matched using implant planning software, and implant planning software was used to determine implant planning. In SPSS v20, the receiver operating characteristic curve was used to determine the predictive ability of angular and linear deviation for canal accessibility. After canal negotiations, all canals were opened after canal negotiations, and a total of 117 guided access cavities were installed and 23 of them were record-breaking as canal inaccessibility, but 23 of them were shut down as a result of canal accessibility. At the coronal position, the linear deviations of the AT and P groups were significantly lower than M group deviation, but there was no statistically significant difference between AT group and P group, but not between AT group and P group. At the coronal position, 0. 975 in angular deviation, 0. 562 in linear deviation, and 0. 7 at the apical position were 0. 975 in angular deviation, 0. 562 in linear deviation at the coronal position, and 0. 6 at the apical position. Conclusions In conclusion, this report found that the accuracy of access cavity preparation with 3D-printed endodontic guides was acceptable. The M group had substantially higher linear and angular deviations than those in other groups, which could have been exacerbated by the interference of the opposite teeth. The best way of canal access for guided access cavity preparation was determined by Angular difference.

Source link: https://europepmc.org/article/MED/34814892


A comparative survival analysis of high viscosity glass ionomer restorations using conventional cavity preparation and atraumatic restorative treatment technique in primary molars: A randomized clinical trial.

This randomized clinical trial was designed to compare the three-year survival rates of high viscosity glass ionomer restorations in primary molars using conventional cavity preparation and a traumatizing restorative technique. Materials and methods In this RCT, 139 schoolchildren aged 6-9 years with dentinal caries in primary molars were randomly assigned to groups, i. e. Using a random number generator, the ART group and the conventional group were compared to the conventional group and the conventional group, which was using a random number generator. Both groups' recovery cases were carried out using standard protocols, and GC Fuji IX ART HVGIC was used as restorations. Conclusions Three-year sequel showed that GIC restorations made using GC Fuji IX ART HVGIC were both efficient and cost-effective, establishing the use of ART for the primary dentition in areas with high carlessness prevalence and inadequate access to dental care in areas with high incidences of high caries prevalence and poor access to dental services in areas with high prevalence of high caries prevalence and poor access to dental services in areas with high caries prevalence and poor access to dental services in areas with ART and modest access to ART and conventional and conventional method employed ART and conventional and conventional and conventional and conventional and conventional method were also fruitfully effective, ART IX ART IX ART and conventional method ART and conventional usage in ART and poor access to ART and poor access.

Source link: https://europepmc.org/article/MED/35003560

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions