Intramedullary nailload sharing

Factors such as heavy loads, poor-quality lubrication, water exposure, or simply wear and tear over time can contribute to the deterioration of wheel bearings.

To critically examine reported data to compare patient outcomes between load-sharing and load-bearing plate fixation for edentulous mandibular fractures.

Load-bearing osteosynthesis

Under a licensing agreement between KLS Martin and the Johns Hopkins University, Amir H. Dorafshar is entitled to a technology he invented.

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Address correspondence and reprint requests to Amir H. Dorafshar, MBChB, Rush University Medical Center, 1725W. Harrison St., Suite 425, Chicago, IL 60612; E-mail: [email protected]

Champy line of osteosynthesis

The lifespan of wheel bearings varies, but they typically last between 85,000 to 100,000 miles. Regular maintenance and early detection of issues can further extend their longevity.

Seu, Michelle BA; Jazayeri, Hossein E. DMD; Lopez, Joseph MD, MBA; Khavanin, Nima MD; Lake, Isabel V. BS; Phillips, Sarah BS; Reategui, Alvaro BA; Shamliyan, Tatyana MD; Peacock, Zachary S. DMD, MD; Dorafshar, Amir H. MBChB

A wheel bearing, at its core, is a compact yet critical component that facilitates the smooth rotation of the wheel hub assembly. This unassuming element bears the weight of the vehicle while ensuring minimal friction for optimal performance. Comprising an inner and outer ring, rolling elements (balls or rollers), and a cage to retain these elements, a wheel bearing is a precision-engineered assembly designed for reliability.

A systematic review and meta-analysis were designed to test the null hypothesis of no difference in postoperative outcomes between load-sharing and load-bearing plate fixation in atrophic, edentulous mandibular fractures. The PubMed, EMBASE, Cochrane Library, Elsevier text mining tool database, and clinicaltrials.gov trial registries were queried up until July 2016. The quality of evidence was determined using the Grading of Recommendations Assessment, Development, and Evaluation method.

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load-bearingvsload-sharing mandible

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The authors did not find a statistically significant difference between load-bearing and load-sharing plate fixation in edentulous atrophic mandibular fracture patients; although this finding may be influenced by type 2 statistical error. Surgeons should continue to use their best clinical judgment in deciding on treatment approach for these challenging fractures. Future studies with higher level evidence are necessary to guide optimal fracture management.

A total of 1212 studies were screened for inclusion of which we included 1 high-quality Cochrane review, 6 narrative reviews, and 21 publications of case reports and case series. Overall, the quality of evidence was low. No difference was found between load-bearing and load-sharing fixation in functional recovery, nonunion, or infection. An uncontrolled case series portrayed complete functional and morphological restoration in 96.9% of patients (83.2–99.5; 95% confidence interval) in load-bearing osteosynthesis while another demonstrated the same outcome in only 40.0% of patients (17.5–65.0; 95% confidence interval).

Buttressvsantiglide plate

Load-bearingvs load sharingimplants

In the complex domain of automotive engineering, specific components work silently to guarantee smooth vehicle functionality. Among these essential contributors, wheel bearings play a crucial role in ensuring efficiency and safety.

In cars, wheel bearings silently ensure a smooth journey. As technology advances, they stay reliable under the vehicle, supporting its efficiency. Like a silent force, these components keep every ride dependable, embodying resilience.

It is not recommended to drive with a bad wheel bearing as it can lead to further damage and compromise safety. Prompt replacement is advised.

Supplemental digital contents are available for this article. Direct URL citations appear in the printed text and are provided in the HTML and PDF versions of this article on the journal's Web site (www.jcraniofacialsurgery.com).

Amir H. Dorafshar receives royalties from Elsevier, KLS Martin and De Puy Synthes; indirect research support from De Puy Synthes, and payment from KCI as a consultant.

This precision-engineered assembly is designed with meticulous attention to detail, considering factors such as load-bearing capacity, durability, and operational efficiency. The synergy of these components allows wheel bearings to withstand the demands of vehicular motion while providing reliable and consistent performance.

A symbol of dependability and flexible engineering solutions, NBC Bearings is the brand of National Engineering Industries.

Founded in 1946, National Engineering Industries Ltd (NEI) is India’s leading bearings manufacturer and exporter, renowned for excellence in quality and delivery.

Wheel bearing noise is often a humming or grinding sound that increases with vehicle speed. It is a common sign of a potential issue and should be addressed promptly to avoid further damage.