Seeing children in the Embera village of Panama smile is one of the most rewarding sights for dentist Chris Burseth.
Mission trip develops into reason to smile
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– August 28, 2014
In vitro investigation on extensively destroyed vital teeth: is fracture force a limiting factor for direct restoration?
Summary To evaluate the in vitro fracture load of extensively damaged vital teeth after either direct or indirect restauration, severe tooth substance loss was simulated for 96 molars. Subsequently, two cavities were prepared with little (design 1) or more substantial (design 2) residual tooth support. All molars were provided with a 2?mm ferrule design and then divided into 12 test groups based on their occlusal surface size. They were restored with composite or with either of two types of single crown (cast metal or milled zirconia). After thermal ageing (10 000 cycles at 6·5 and 60 °C), 1·2 million cycles of chewing simulation were applied (64 N). Maximum fracture load was determined with a loading angle of 45°. Statistical analysis was performed by use of Kaplan–Meier modell…
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– August 27, 2014
Association between near occlusal contact areas and mixing ability
This study investigated the relationship between occlusal contact and near?contact areas defined by clenching intensity using electromyograms (EMGs) and mixing ability assessed with colour?changeable chewing gum. Participants comprised 44 dentate adults (24 men, 20 women) with a mean age of 28·2 ± 6·8 years. Silicone material was used to measure the occlusal contact and near?contact areas (the area of each type of tooth, the total area of the first molar and second molar, the second premolar to the second molar and the first premolar to the second molar) defined by clenching intensity at 10% maximum voluntary contraction (MVC). Colour?changeable chewing gum was used to assess mixing ability. A colorimeter was used to measure colour changes, and the calculated colour differenc…
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– August 26, 2014
Although there has been a steep decline in tooth loss, study finds an …
The International and American Associations for Dental Research have published a paper titled “Projections of U.S. Edentulism Prevalence Following Five Decades of Decline.”
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– August 26, 2014
Although there has been a steep decline in tooth loss, study finds an increase in socioeconomic disparities
The International and American Associations for Dental Research (IADR/AADR) have published a paper titled “Projections of U.S. Edentulism Prevalence Following Five Decades of Decline.
Dentistry News From Medical News Today
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– August 26, 2014
OAPs ditching the dentures for implants: Pensioners spending up to…
Clinics charge A 3,000 for an implant, A 15,000 for new row and A 30,000 for set Dentists say more and more retirees are raiding their pensions to pay for the implants, which are not normally funded by the NHS, in search of a dazzling ‘Hollywood smile’ such as that displayed by A-listers.
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– August 25, 2014
The influence of fixed orthodontic appliances on masticatory and swallowing threshold performances
Summary To test the hypothesis that treatment with orthodontic appliances disturbs masticatory and swallowing performances. Twenty?seven subjects with malocclusions requiring orthodontic treatment were included in this prospective study. The masticatory and swallowing performances were evaluated at five different times: before bracket placement (T0), immediately after archwire placement (T1), 48 h after archwire placement (T2), 30 days after archwire placement (T3) and 3 months after the initial appointment (T4). Masticatory performance was determined by the median particle sizes for the Optocal test food after 15 chewing strokes, and the swallowing thresholds were registered for both the test food and a natural food (peanuts). Pain during mastication was evaluated using a 100?mm vi…
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– August 24, 2014
Franklin P. Adams
“Elections are won by men and women chiefly because most people vote against somebody rather than for somebody.”
Quotes of the Day
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– August 23, 2014
