Prenatal exposure to NaF impairs dental eruption in rats

Autores
Fontanetti, Pablo; Interlandi, Victoria; Gallará, Raquel Vivian; Ponce, Rubén Hugo; Centeno, Viviana; Centeno, Viviana
Año de publicación
2015
Idioma
inglés
Tipo de recurso
documento de conferencia
Estado
versión publicada
Descripción
Fil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Objectives: Tooth eruption (TE) is a tightly regulated process in which bone resorption plays a crucial role. There is little information about the effects of chronic fluoride (F-) exposure during fetal and early postnatal period on alveolar bone and tooth eruption. To evaluate by histomorphometry the bony crypt of developing first mandibular molar and its degree of tooth eruption in offspring exposed to NaF in drinking water during gestation and lactation. Methods: offspring of 10- and 15-days-old (n=5 per group), from two groups of mothers (n=6) were used: a) controls (0.3 mg/L NaF); b) treated (50 mg/L NaF). The treatment was performed during pregnancy and lactation. All animals were euthanized by cervical dislocation. F- concentration of gastric content samples of offspring was determined by the use of ion selective electrode. Their mandibles were removed and histologically processed to obtain buccolingual sections stained with H&E. In sections of first mandibular molar bony crypt of 10-days-old pups, the following histomorphometric parameters were evaluated: trabecular bone volume [BV/TV (%)] and number of osteoclasts/area (N.Oc/mm2). At 15-days-old, degree of tooth eruption [TE (µm)] was determined. Results were expressed as mean ± SE and analyzed by Student´t test. Results: F- gastric content of 15-days-old pups from NaF treated mothers was elevated compared to the control group (p <0.05). BV/TV (%) was higher in bony crypt of pups born to NaF treated mothers compared to their controls (48.11±2.88 vs. 39,09±1,12; p<0,05). In line with this, N.Oc/mm2 was lower in treated group (0.047±0.02 vs. 0.242±0.02; p<0.01). In addition TE (µm) was lower in treated group compared to control (-1061.84±17,01 vs. -899.06±21.43; p<0.01). Conclusion: lower recruitment of osteoclasts in 10-days-old pups born to NaF treated mothers may affect tooth eruption at 15-days-old. Further studies will allow elucidating the mechanisms triggered by F- in this process.
http://iadr.abstractarchives.com/session/col-iadr2015/basic-sciences-i-thursday-october-8th
Fil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Otras Ciencias de la Salud
Materia
dental eruption
fluorosis
histomorphometric parameters
Nivel de accesibilidad
acceso abierto
Condiciones de uso
Repositorio
Repositorio Digital Universitario (UNC)
Institución
Universidad Nacional de Córdoba
OAI Identificador
oai:rdu.unc.edu.ar:11086/556140

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oai_identifier_str oai:rdu.unc.edu.ar:11086/556140
network_acronym_str RDUUNC
repository_id_str 2572
network_name_str Repositorio Digital Universitario (UNC)
spelling Prenatal exposure to NaF impairs dental eruption in ratsFontanetti, PabloInterlandi, VictoriaGallará, Raquel VivianPonce, Rubén HugoCenteno, VivianaCenteno, Vivianadental eruptionfluorosishistomorphometric parametersFil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Objectives: Tooth eruption (TE) is a tightly regulated process in which bone resorption plays a crucial role. There is little information about the effects of chronic fluoride (F-) exposure during fetal and early postnatal period on alveolar bone and tooth eruption. To evaluate by histomorphometry the bony crypt of developing first mandibular molar and its degree of tooth eruption in offspring exposed to NaF in drinking water during gestation and lactation. Methods: offspring of 10- and 15-days-old (n=5 per group), from two groups of mothers (n=6) were used: a) controls (0.3 mg/L NaF); b) treated (50 mg/L NaF). The treatment was performed during pregnancy and lactation. All animals were euthanized by cervical dislocation. F- concentration of gastric content samples of offspring was determined by the use of ion selective electrode. Their mandibles were removed and histologically processed to obtain buccolingual sections stained with H&E. In sections of first mandibular molar bony crypt of 10-days-old pups, the following histomorphometric parameters were evaluated: trabecular bone volume [BV/TV (%)] and number of osteoclasts/area (N.Oc/mm2). At 15-days-old, degree of tooth eruption [TE (µm)] was determined. Results were expressed as mean ± SE and analyzed by Student´t test. Results: F- gastric content of 15-days-old pups from NaF treated mothers was elevated compared to the control group (p <0.05). BV/TV (%) was higher in bony crypt of pups born to NaF treated mothers compared to their controls (48.11±2.88 vs. 39,09±1,12; p<0,05). In line with this, N.Oc/mm2 was lower in treated group (0.047±0.02 vs. 0.242±0.02; p<0.01). In addition TE (µm) was lower in treated group compared to control (-1061.84±17,01 vs. -899.06±21.43; p<0.01). Conclusion: lower recruitment of osteoclasts in 10-days-old pups born to NaF treated mothers may affect tooth eruption at 15-days-old. Further studies will allow elucidating the mechanisms triggered by F- in this process.http://iadr.abstractarchives.com/session/col-iadr2015/basic-sciences-i-thursday-october-8thFil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.Otras Ciencias de la Salud2015info:eu-repo/semantics/conferenceObjectinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_5794info:ar-repo/semantics/documentoDeConferenciaapplication/pdfhttp://hdl.handle.net/11086/556140info:eu-repo/semantics/openAccessengreponame:Repositorio Digital Universitario (UNC)instname:Universidad Nacional de Córdobainstacron:UNC2025-09-04T12:33:51Zoai:rdu.unc.edu.ar:11086/556140Institucionalhttps://rdu.unc.edu.ar/Universidad públicaNo correspondehttp://rdu.unc.edu.ar/oai/snrdoca.unc@gmail.comArgentinaNo correspondeNo correspondeNo correspondeopendoar:25722025-09-04 12:33:51.74Repositorio Digital Universitario (UNC) - Universidad Nacional de Córdobafalse
dc.title.none.fl_str_mv Prenatal exposure to NaF impairs dental eruption in rats
title Prenatal exposure to NaF impairs dental eruption in rats
spellingShingle Prenatal exposure to NaF impairs dental eruption in rats
Fontanetti, Pablo
dental eruption
fluorosis
histomorphometric parameters
title_short Prenatal exposure to NaF impairs dental eruption in rats
title_full Prenatal exposure to NaF impairs dental eruption in rats
title_fullStr Prenatal exposure to NaF impairs dental eruption in rats
title_full_unstemmed Prenatal exposure to NaF impairs dental eruption in rats
title_sort Prenatal exposure to NaF impairs dental eruption in rats
dc.creator.none.fl_str_mv Fontanetti, Pablo
Interlandi, Victoria
Gallará, Raquel Vivian
Ponce, Rubén Hugo
Centeno, Viviana
Centeno, Viviana
author Fontanetti, Pablo
author_facet Fontanetti, Pablo
Interlandi, Victoria
Gallará, Raquel Vivian
Ponce, Rubén Hugo
Centeno, Viviana
author_role author
author2 Interlandi, Victoria
Gallará, Raquel Vivian
Ponce, Rubén Hugo
Centeno, Viviana
author2_role author
author
author
author
dc.subject.none.fl_str_mv dental eruption
fluorosis
histomorphometric parameters
topic dental eruption
fluorosis
histomorphometric parameters
dc.description.none.fl_txt_mv Fil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Objectives: Tooth eruption (TE) is a tightly regulated process in which bone resorption plays a crucial role. There is little information about the effects of chronic fluoride (F-) exposure during fetal and early postnatal period on alveolar bone and tooth eruption. To evaluate by histomorphometry the bony crypt of developing first mandibular molar and its degree of tooth eruption in offspring exposed to NaF in drinking water during gestation and lactation. Methods: offspring of 10- and 15-days-old (n=5 per group), from two groups of mothers (n=6) were used: a) controls (0.3 mg/L NaF); b) treated (50 mg/L NaF). The treatment was performed during pregnancy and lactation. All animals were euthanized by cervical dislocation. F- concentration of gastric content samples of offspring was determined by the use of ion selective electrode. Their mandibles were removed and histologically processed to obtain buccolingual sections stained with H&E. In sections of first mandibular molar bony crypt of 10-days-old pups, the following histomorphometric parameters were evaluated: trabecular bone volume [BV/TV (%)] and number of osteoclasts/area (N.Oc/mm2). At 15-days-old, degree of tooth eruption [TE (µm)] was determined. Results were expressed as mean ± SE and analyzed by Student´t test. Results: F- gastric content of 15-days-old pups from NaF treated mothers was elevated compared to the control group (p <0.05). BV/TV (%) was higher in bony crypt of pups born to NaF treated mothers compared to their controls (48.11±2.88 vs. 39,09±1,12; p<0,05). In line with this, N.Oc/mm2 was lower in treated group (0.047±0.02 vs. 0.242±0.02; p<0.01). In addition TE (µm) was lower in treated group compared to control (-1061.84±17,01 vs. -899.06±21.43; p<0.01). Conclusion: lower recruitment of osteoclasts in 10-days-old pups born to NaF treated mothers may affect tooth eruption at 15-days-old. Further studies will allow elucidating the mechanisms triggered by F- in this process.
http://iadr.abstractarchives.com/session/col-iadr2015/basic-sciences-i-thursday-october-8th
Fil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Interlandi, Victoria. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Gallará, Raquel Vivian. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Delgado, Andrea. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Ponce, Rubén Hugo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Fil: Centeno, Viviana. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
Otras Ciencias de la Salud
description Fil: Fontanetti, Pablo. Universidad Nacional de Córdoba. Facultad de Odontología. Cátedra Química Biológica A; Argentina.
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