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Laminated ceramics with elastic interfaces: a mechanical advantage?

Conclusions: Ceramic lamination increased the damage tolerance of the structure and could limit or arrest subcritical crack growth at regions near the ‘interlayer’. (Source: Journal of Dentistry)

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MedWorm: Dentistry

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Link discovered between tooth loss and slowing mind and body

The memory and walking speeds of adults who have lost all of their teeth decline more rapidly than in those who still have some of their own teeth, finds new UCL research.
Dentistry News From Medical News Today

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In vitro cytotoxicity of metallic ions released from dental alloys

Abstract The cytotoxicity of a dental alloy depends on, but is not limited to, the extent of its corrosion behavior. Individual ions may have effects on cell viability that are different from metals interacting within the alloy structure. We aimed to investigate the cytotoxicity of individual metal ions in concentrations similar to those reported to be released from Pd-based dental alloys on mouse fibroblast cells. Metal salts were used to prepare seven solutions (concentration range 100 ppm–1 ppb) of the transition metals, such as Ni(II), Pd(II), Cu(II), and Ag(I), and the metals, such as Ga(III), In(III), and Sn(II). Cytotoxicity on mouse fibroblasts L929 was evaluated using the MTT assay. Ni, Cu, and Ag are cytotoxic at 10 ppm, Pd and Ga at 100 ppm. Sn and In were not abl…
MedWorm: Dentistry

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Bruce Barton

“When you’re through changing, you’re through.”
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Survival characteristics of composite restorations in primary teeth

Conclusions Filling survival was comparably lower to composite restorations observed in prospective clinical studies on permanent teeth and other tooth-colored restoratives used in primary teeth. Due to the very high caries risk and young age of the population, frequent loss due to secondary caries was observed. With respect to the high caries risk, composite restorations can be used to treat carious primary teeth, though a strict caries prevention regimen should be followed to minimize restoration failure. Clinical relevance Filling loss of composites in the primary dentition is associated with secondary caries on the long term. (Source: Clinical Oral Investigations)

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Everything That You Should Know About Dental Implants

In the past, dentists attempted to replace or keep teeth through procedures such as bridges, root canals, and fixed dentures . Unfortunately, bridges require healthy adjacent teeth to be cut down, root canal treated teeth can fail, and dentures can be unstable.

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Stability of class II subdivision malocclusion treatment with 3 and 4 premolar extractions

Conclusion Treatment of class II subdivision malocclusion with 3 and 4 premolar extractions have a similar long-term posttreatment occlusal stability. (Source: Progress in Orthodontics)

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MedWorm: Dentistry

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tooth loss

If you’ve ever wondered, “Where on Earth did I put my dentures?” there’s now a scientific reason behind why you did it. New research published in the Journal of the American Geriatrics Society has linked age-related tooth loss with a decline in physical and cognitive ability.

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Saki

“He’s simply got the instinct for being unhappy highly developed.”
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Eric Hoffer

“The opposite of the religious fanatic is not the fanatical atheist but the gentle cynic who cares not whether there is a god or not.”
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