Primary teeth microhardness and lead (Pb) levels
Objectives: Lead (Pb) exposure is associated with dental caries. Whether Pb affects tooth microhardness, is unclear. Our objective was to assess whether Pb concentration is associated with microhardness. Methods: Exfoliated primary teeth were collected from 46 volunteers. Teeth were sectioned, one h...
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doaj-caafc81a124f4edfb713da2eadfd52fa2020-11-25T02:58:13ZengElsevierHeliyon2405-84402019-04-0154e01551Primary teeth microhardness and lead (Pb) levelsBetsy Foxman0Ethan Kolderman1Elizabeth Salzman2Anna Cronenwett3Carlos Gonzalez-Cabezas4Katherine Neiswanger5Mary L. Marazita6Center for Molecular and Clinical Epidemiology of Infectious Diseases, Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, Michigan, 48109, USA; Corresponding author.Center for Molecular and Clinical Epidemiology of Infectious Diseases, Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, Michigan, 48109, USA; University of Michigan School of Dentistry, 101 N. University Ave, Ann Arbor, Michigan, 48109, USACenter for Molecular and Clinical Epidemiology of Infectious Diseases, Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, Michigan, 48109, USACenter for Molecular and Clinical Epidemiology of Infectious Diseases, Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, Michigan, 48109, USADepartment of Cariology, Restorative Sciences and Endodontics, School of Dentistry, University of Michigan School of Dentistry, 101 N. University Ave, Ann Arbor, Michigan, 48109, USACenter for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, 3501 Terrace Street, Pittsburgh, Pennsylvania, 15261, USACenter for Craniofacial and Dental Genetics, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, 3501 Terrace Street, Pittsburgh, Pennsylvania, 15261, USA; Department of Human Genetics, Graduate School of Public Health, Clinical and Translational Sciences Institute, School of Medicine University of Pittsburgh, 130 De Soto Street, Pittsburgh, Pennsylvania, 15261, USAObjectives: Lead (Pb) exposure is associated with dental caries. Whether Pb affects tooth microhardness, is unclear. Our objective was to assess whether Pb concentration is associated with microhardness. Methods: Exfoliated primary teeth were collected from 46 volunteers. Teeth were sectioned, one half of each tooth was tested for enamel Knoop microhardness. The remaining half was digested and Pb measured using an inductively coupled plasma-mass spectrometer. Results: The correlations between Pb levels and microhardness were very low, and were not statistically significant at p < 0.05. Conclusions: Previous exposure to high levels of Pb was not associated with decreased tooth microhardness. Clinical significance: This study assessed whether Pb in deciduous teeth is associated with tooth microhardness. As this was not the case, further studies are needed to identify the mechanisms behind the association between lead exposure and tooth decay.http://www.sciencedirect.com/science/article/pii/S2405844018358444Dentistry |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Betsy Foxman Ethan Kolderman Elizabeth Salzman Anna Cronenwett Carlos Gonzalez-Cabezas Katherine Neiswanger Mary L. Marazita |
spellingShingle |
Betsy Foxman Ethan Kolderman Elizabeth Salzman Anna Cronenwett Carlos Gonzalez-Cabezas Katherine Neiswanger Mary L. Marazita Primary teeth microhardness and lead (Pb) levels Heliyon Dentistry |
author_facet |
Betsy Foxman Ethan Kolderman Elizabeth Salzman Anna Cronenwett Carlos Gonzalez-Cabezas Katherine Neiswanger Mary L. Marazita |
author_sort |
Betsy Foxman |
title |
Primary teeth microhardness and lead (Pb) levels |
title_short |
Primary teeth microhardness and lead (Pb) levels |
title_full |
Primary teeth microhardness and lead (Pb) levels |
title_fullStr |
Primary teeth microhardness and lead (Pb) levels |
title_full_unstemmed |
Primary teeth microhardness and lead (Pb) levels |
title_sort |
primary teeth microhardness and lead (pb) levels |
publisher |
Elsevier |
series |
Heliyon |
issn |
2405-8440 |
publishDate |
2019-04-01 |
description |
Objectives: Lead (Pb) exposure is associated with dental caries. Whether Pb affects tooth microhardness, is unclear. Our objective was to assess whether Pb concentration is associated with microhardness. Methods: Exfoliated primary teeth were collected from 46 volunteers. Teeth were sectioned, one half of each tooth was tested for enamel Knoop microhardness. The remaining half was digested and Pb measured using an inductively coupled plasma-mass spectrometer. Results: The correlations between Pb levels and microhardness were very low, and were not statistically significant at p < 0.05. Conclusions: Previous exposure to high levels of Pb was not associated with decreased tooth microhardness. Clinical significance: This study assessed whether Pb in deciduous teeth is associated with tooth microhardness. As this was not the case, further studies are needed to identify the mechanisms behind the association between lead exposure and tooth decay. |
topic |
Dentistry |
url |
http://www.sciencedirect.com/science/article/pii/S2405844018358444 |
work_keys_str_mv |
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