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Biomedical subjects

F M Parkins

Publications and source records attributed to F M Parkins.

At least 19 recordsLinked to original sources

Minocycline use discolors teeth.

A 25-year-old woman with gray striated staining on all teeth took minocycline for two years. Staining corresponded with the treatment time.

Acne Vulgaris

A preliminary report: YAG laser treatment in pediatric dentistry.

Pediatric dentistry offers many opportunities to employ lasers. Observations of laser uses with the primary dentition and evaluation of laser anesthesia for permanent premolars are presented in this preliminary report. Soft tissue surgery with children and adolescents is described. Dentin became desensitized with normal pulp test readings and histology when premolars were given laser exposure. Patient acceptance was high. Enamel conditioning for bonding, decay removal, root canal cleansing and exposing unerupted teeth are the most common procedures.

Anesthesia, Dental

Bone fluoride concentrations associated with fluoridated drinking water.

Recently published bone fluoride values from Iowa are very high compared to earlier reports, suggesting an increase in fluoride intake. Reanalysis of the Iowa specimens shows levels one-fourth those reported by the Iowa laboratory indicating an error in the original report. Seventeen bone specimens, collected from long-term residents of Rochester, New York, drinking 1 ppm F- water, had a mean value of 2085 +/- 270 ppm F- on an ashed-weight basis. This value is not significantly different from that predicted by the data of Zipkin et al. in 1958. These data, therefore, do not support the contention that there has been an increase in fluoride intake.

Bone and Bones