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Evaluation of mandibular bone mineral density using the dual-energy X-ray absorptiometry technique in edentulous subjects living in an endemic fluorosis region

Identifieur interne : 003B49 ( Ncbi/Checkpoint ); précédent : 003B48; suivant : 003B50

Evaluation of mandibular bone mineral density using the dual-energy X-ray absorptiometry technique in edentulous subjects living in an endemic fluorosis region

Auteurs : Us Buyukkaplan ; Mu Guldag

Source :

Dentomaxillofacial Radiology [ 0250-832X ] ; 2012.

RBID : PMC:3520348

Descripteurs français

KwdFr :
- Absorptiométrie photonique, Adolescent, Densité osseuse, Femelle, Humains, Intoxication au fluorure (imagerie diagnostique), Intoxication au fluorure (épidémiologie), Jeune adulte, Maladies endémiques, Mandibule (imagerie diagnostique), Mâchoire édentée (imagerie diagnostique), Mâle, Turquie (épidémiologie), Études cas-témoins.
MESH :
- imagerie diagnostique : Intoxication au fluorure, Mandibule, Mâchoire édentée.
- épidémiologie : Intoxication au fluorure, Turquie.
- Absorptiométrie photonique, Adolescent, Densité osseuse, Femelle, Humains, Jeune adulte, Maladies endémiques, Mâle, Études cas-témoins.

English descriptors

KwdEn :
- Absorptiometry, Photon, Adolescent, Bone Density, Case-Control Studies, Endemic Diseases, Female, Fluoride Poisoning (diagnostic imaging), Fluoride Poisoning (epidemiology), Humans, Jaw, Edentulous (diagnostic imaging), Male, Mandible (diagnostic imaging), Turkey (epidemiology), Young Adult.
MESH :
- diagnostic imaging : Fluoride Poisoning, Jaw, Edentulous, Mandible.
- epidemiology : Fluoride Poisoning, Turkey.
- Absorptiometry, Photon, Adolescent, Bone Density, Case-Control Studies, Endemic Diseases, Female, Humans, Male, Young Adult.

Abstract

Objectives

Fluoride is one of the biological trace elements with a strong affinity for osseous, cartilaginous and dental tissue. The dental and skeletal effects of high fluoride intake have already been studied in the literature, but little is known about the effects of high fluoride intake on edentulous mandibles. The purpose of this study was to evaluate the effects of high fluoride intake on mandibular bone mineral density (BMD) measured by the dual-energy X-ray absorptiometry (DXA) technique in edentulous individuals with systemic fluorosis.

Methods

32 people who were living in an endemic fluorosis area since birth and 31 people who were living in a non-endemic fluorosis area since birth (control group) participated in this study. Systemic fluorosis was diagnosed in the patients using the sialic acid (NANA)/glycosaminoglycan (GAG) ratio. The BMDs of the mandibles were determined by the DXA technique.

Results

The serum NANA/GAG ratios in the fluorosis group were significantly lower than those in the control group (p < 0.001). There was also a statistically significant difference in mandibular BMD measurements (p < 0.05) between the systemic fluorosis and control groups, as measured by the DXA technique. Mandibular body BMD measurements were higher in the fluorosis group (1.25 ± 0.24 g cm⁻²) than in the control group (1.01 ± 0.31 g cm⁻²).

Conclusions

The results of the study showed that fluoride intake higher than the optimum level causes increased mandibular BMD in edentulous individuals. Further dose-related studies are needed to determine the effects of high fluoride intake on bony structures of the stomatognathic system.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3520348

DOI: 10.1259/dmfr/20380362
PubMed: 22241885
PubMed Central: 3520348

Affiliations:

Links to Exploration step

PMC:3520348

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<term>Intoxication au fluorure (épidémiologie)</term>
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<front><div type="abstract" xml:lang="en"><sec><title>Objectives</title>
<p>Fluoride is one of the biological trace elements with a strong affinity for osseous, cartilaginous and dental tissue. The dental and skeletal effects of high fluoride intake have already been studied in the literature, but little is known about the effects of high fluoride intake on edentulous mandibles. The purpose of this study was to evaluate the effects of high fluoride intake on mandibular bone mineral density (BMD) measured by the dual-energy X-ray absorptiometry (DXA) technique in edentulous individuals with systemic fluorosis.</p>
</sec>
<sec><title>Methods</title>
<p>32 people who were living in an endemic fluorosis area since birth and 31 people who were living in a non-endemic fluorosis area since birth (control group) participated in this study. Systemic fluorosis was diagnosed in the patients using the sialic acid (NANA)/glycosaminoglycan (GAG) ratio. The BMDs of the mandibles were determined by the DXA technique.</p>
</sec>
<sec><title>Results</title>
<p>The serum NANA/GAG ratios in the fluorosis group were significantly lower than those in the control group (<italic>p</italic>
 < 0.001). There was also a statistically significant difference in mandibular BMD measurements (<italic>p</italic>
 < 0.05) between the systemic fluorosis and control groups, as measured by the DXA technique. Mandibular body BMD measurements were higher in the fluorosis group (1.25 ± 0.24 g cm<sup>−2</sup>
) than in the control group (1.01 ± 0.31 g cm<sup>−2</sup>
).</p>
</sec>
<sec><title>Conclusions</title>
<p>The results of the study showed that fluoride intake higher than the optimum level causes increased mandibular BMD in edentulous individuals. Further dose-related studies are needed to determine the effects of high fluoride intake on bony structures of the stomatognathic system.</p>
</sec>
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Evaluation of mandibular bone mineral density using the dual-energy X-ray absorptiometry technique in edentulous subjects living in an endemic fluorosis region

Evaluation of mandibular bone mineral density using the dual-energy X-ray absorptiometry technique in edentulous subjects living in an endemic fluorosis region

Source :

Descripteurs français

English descriptors

Abstract

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Links to Exploration step

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