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SMOKING MAY STUNT TOOTH DEVELOPMENT
NEESS Oregon Dental Association, 17898 S.W. McEwan Rd., Portland 97224, 1-503-620-3230, May 2-5, Portland. Pennsylvania Dental Association, 3501 N. Front St., P.O. Box 3341, Harrisburg 17110, 1717-234-5941, April 25-28, Hershey. Rhode Island Dental Association, 200 Centerville Place, Warwick 02886, 1-401-732-6833, May 28, Providence. South Carolina Dental Association, 120 Stonemark Lane, Columbia 29210, 1-803-7502277, May 2-5, Myrtle Beach. South Dakota Dental Association, P.O. Box 1194, Pierre
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57501, 1-605-224-9133, May 1619, Sioux Falls. Tennessee Dental Association, P.O. Box 120188, Nashville 37212, 1-615-383-8962, May 16-19, Memphis. Texas Dental Association, P.O. Box 3358, Austin 78764, 1-512-443-3675, May 16-19, San Antonio. Vermont State Dental Society, 132 Church St., Burlington 05401, 1-802-864-0115, Sept. 26-27, Burlington. Virginia Dental Association, P.O. Box 6906, Richmond 23230, 1-804-358-4927, Sept. 18-22, Williamsburg. Washington State Dental
Association, 2033 Sixth Ave., Suite 333, Seattle 98121, 1-206448-1914, July 10-12, Seattle. West Virginia Dental Association, 300 Capitol St., Suite 1002, Charleston 25301, 1-304344-5246, July 18-21, White Sulphur Springs. Wisconsin Dental Association, 111 E. Wisconsin Ave., Suite 1300, Milwaukee 53202, 1-414-276-4520, Sept. 15-17, Milwaukee. Wyoming Dental Association, 1111 E. Lincolnway, Suite 209, Cheyenne 82001, 1-307-6345878, June 20-23, Sheridan.
oddly enough, children whose mothers smoked did not. The author speculated that th1e strng pateral e t on tooth development may be attribuited to the tendencyamn men to smoke c'igarettes with higher nicotine, tar and carbon monoxide levels. The also cited research contending that men often have a highr total tobacco intake per cigarette than women. (J Clin Pediatr Dent
ionomer powder with distilled water, a 2 pe sodium fluo-
ENHANCING FLUORIDE ReLEASE FROM GLASS
Mixing a glass-ionomer cement with a fluoride solution can increase the release of fluoride in the weeks following restoration acement study in the February issue of Bi_materials re-
ports.
The Aauthors prepared disks using glass-ionomer cement that had been mixed with one of three solutions. The authors mixed a water-activated glass440 JADA, Vol. 127, April 1996
ride solutioni or a 4 perent NaF solution. They then suspended the disks m 100 m r Of distiled water and placed them Im an incubator set at 37 Celsius. About every two weeks during the 12-week study, the authors measured the fluoride levels of the water surrounding the disks. All three cements demonstrated the typical release pattem associated with glass ionomers: aluorie release durig the first two weeks followed by a slower release Ithruout the duration of the study.As expected, however, mixing the cement with a 4 percentoNa solution significatl increased th
ridreeaed
Of fluoFlouorderles
rates of the three cements eulzdby day 20. The authors also testedl the fcnt oftfh solutions on the working and setting times of the cements and on the com-
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..,
57501, 1-605-224-9133, May 1619, Sioux Falls. Tennessee Dental Association, P.O. Box 120188, Nashville 37212, 1-615-383-8962, May 16-19, Memphis. Texas Dental Association, P.O. Box 3358, Austin 78764, 1-512-443-3675, May 16-19, San Antonio. Vermont State Dental Society, 132 Church St., Burlington 05401, 1-802-864-0115, Sept. 26-27, Burlington. Virginia Dental Association, P.O. Box 6906, Richmond 23230, 1-804-358-4927, Sept. 18-22, Williamsburg. Washington State Dental
Association, 2033 Sixth Ave., Suite 333, Seattle 98121, 1-206448-1914, July 10-12, Seattle. West Virginia Dental Association, 300 Capitol St., Suite 1002, Charleston 25301, 1-304344-5246, July 18-21, White Sulphur Springs. Wisconsin Dental Association, 111 E. Wisconsin Ave., Suite 1300, Milwaukee 53202, 1-414-276-4520, Sept. 15-17, Milwaukee. Wyoming Dental Association, 1111 E. Lincolnway, Suite 209, Cheyenne 82001, 1-307-6345878, June 20-23, Sheridan.
oddly enough, children whose mothers smoked did not. The author speculated that th1e strng pateral e t on tooth development may be attribuited to the tendencyamn men to smoke c'igarettes with higher nicotine, tar and carbon monoxide levels. The also cited research contending that men often have a highr total tobacco intake per cigarette than women. (J Clin Pediatr Dent
ionomer powder with distilled water, a 2 pe sodium fluo-
ENHANCING FLUORIDE ReLEASE FROM GLASS
Mixing a glass-ionomer cement with a fluoride solution can increase the release of fluoride in the weeks following restoration acement study in the February issue of Bi_materials re-
ports.
The Aauthors prepared disks using glass-ionomer cement that had been mixed with one of three solutions. The authors mixed a water-activated glass440 JADA, Vol. 127, April 1996
ride solutioni or a 4 perent NaF solution. They then suspended the disks m 100 m r Of distiled water and placed them Im an incubator set at 37 Celsius. About every two weeks during the 12-week study, the authors measured the fluoride levels of the water surrounding the disks. All three cements demonstrated the typical release pattem associated with glass ionomers: aluorie release durig the first two weeks followed by a slower release Ithruout the duration of the study.As expected, however, mixing the cement with a 4 percentoNa solution significatl increased th
ridreeaed
Of fluoFlouorderles
rates of the three cements eulzdby day 20. The authors also testedl the fcnt oftfh solutions on the working and setting times of the cements and on the com-