Toothpaste fills cavities without drilling
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Thursday, February 24, 2005
A paste containing synthetic tooth enamel can seal small cavities without drilling. Kazue Yamagishi and colleagues at the FAP Dental Institute in Tokyo say that the paste can repair small cavities in 15 minutes.
Currently, fillers don’t stick to such small cavities so dentists must drill bigger holes. Hydroxyapatite crystals, of which natural enamel is made, bond with teeth to repair tiny areas of damage.
Yamagishi and colleagues have tested their paste on a lower premolar tooth that showed early signs of decay. They found that the synthetic enamel merged with the natural enamel. The synthetic enamel also appears to make teeth stronger which will improve resistance to future decay. As with drilling, however, there is still the potential for pain: The paste is strongly acidic to encourage crystal growth and causes inflammation if it touches the gums.
The paste is reported in the journal Nature.
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US Basketball: Jazz win, maintain Northwest Division lead
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Tuesday, February 6, 2007
Mehmet Okur scored 12 of the last 14 points for the Utah Jazz in the final minutes of their game against the Chicago Bulls on Monday night, propelling the Jazz to a 100-95 win against the Bulls. Okur finished with 20 points and was the high scorer for the Jazz, who now have won three in a row. He played most of the fourth quarter despite picking up a fifth foul early in the final period. In addition to Okur’s contribution, Deron Williams contributed 18 points and 13 rebounds in the effort.
Kirk Hinrich was the game’s leading scorer with 26 points, and Luol Deng contributed 23. However, the Jazz shot 50% from the field and dished out 24 total assists. The Bulls could not match those numbers, only shooting 40% and earning 15 assists. The lack of ball movement was obvious early on, as the Bulls committed three offensive fouls in the second quarter – all as the result of Bulls players attempting to drive the ball rather than pass and try to break the effective zone of the Utah Jazz. Ben Gordon also picked up a flagrant foul early in the second quarter, starting off what would be an ugly twelve minutes for the visiting Bulls. The Bulls were outscored 33-18 in the second quarter, leaving them down 57-43 at the half.
It almost wasn’t enough of a lead for the Jazz, as the Bulls were able to fight back and cut the lead to three with a three-point shot from Chris Duhon with 1:20 remaining in regulation time. However, the Jazz answered right back with an Okur three-point field goal, and the Bulls could not recover. While the Bulls would answer back with another field goal, the Jazz would score the next four points and pull away with the victory.
- Andres Nocioni was scratched with a foot injury. Team doctors believe that he may have a torn or inflamed plantar fascia; MRI results are not due back for another day or two. [1]
- Jazz coach Jerry Sloan received a technical foul for arguing with the officials midway through the fourth quarter.
- Earlier in the day, the Bulls’ Tyrus Thomas was named as one of the four participants in the 2008 Slam Dunk Competition during All-Star Weekend in Las Vegas.
