Effect of Hypoxia-Inducible Factor 1 α on Early Healing in Extraction Sockets

Hyun Chang Lim, Daniel S. Thoma, Mijeong Jeon, Je Seon Song, Sang Kyou Lee, Ui Won Jung

Research output: Contribution to journalArticle

Abstract

The aim of the present study was to investigate the effect of hypoxia-inducible factor 1α (HIF1A) on the early healing (4 weeks) of extraction sockets exhibiting partial loss of the labial bone. Two extraction sockets of the maxillary incisors from each of six dogs were assigned to two treatment modalities: deproteinized bovine bone mineral (i) with 10% collagen (DBBM-C) soaked with HIF1A and covered by a collagen membrane (CM) (HIF group) or (ii) treated with DBBM-C only and covered by a CM (control group). Microcomputed tomography revealed some degree of collapse of the labial contour. The totally augmented volume and new bone volume did not differ significantly between two groups (P>0.05). The histological analysis revealed that the apical area of the socket was mostly filled with newly formed bone, while there was less newly formed bone in the coronal area and incomplete cortex formation. The histomorphometric analysis revealed that the area of newly formed bone was significantly larger in the HIF group than the control group (12.16±3.04 versus 9.48±2.01 mm2, P<0.05), while there was no significant intergroup difference in the total augmented area. In conclusion, even though DBBM-C soaked with HIF1A enhanced histomorphometric bone formation, this intervention did not demonstrate superiority in preventing ridge shrinkage compared to DBBM-C alone. Clinical relevance of these findings should be further studied.

Original languageEnglish
Article number8210637
JournalBioMed Research International
Volume2018
DOIs
Publication statusPublished - 2018 Jan 1

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Hypoxia-Inducible Factor 1
Bone
Bone and Bones
Collagen
Lip
X-Ray Microtomography
Control Groups
Membranes
Incisor
Osteogenesis
Minerals
Tomography
Dogs

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)

Cite this

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title = "Effect of Hypoxia-Inducible Factor 1 α on Early Healing in Extraction Sockets",
abstract = "The aim of the present study was to investigate the effect of hypoxia-inducible factor 1α (HIF1A) on the early healing (4 weeks) of extraction sockets exhibiting partial loss of the labial bone. Two extraction sockets of the maxillary incisors from each of six dogs were assigned to two treatment modalities: deproteinized bovine bone mineral (i) with 10{\%} collagen (DBBM-C) soaked with HIF1A and covered by a collagen membrane (CM) (HIF group) or (ii) treated with DBBM-C only and covered by a CM (control group). Microcomputed tomography revealed some degree of collapse of the labial contour. The totally augmented volume and new bone volume did not differ significantly between two groups (P>0.05). The histological analysis revealed that the apical area of the socket was mostly filled with newly formed bone, while there was less newly formed bone in the coronal area and incomplete cortex formation. The histomorphometric analysis revealed that the area of newly formed bone was significantly larger in the HIF group than the control group (12.16±3.04 versus 9.48±2.01 mm2, P<0.05), while there was no significant intergroup difference in the total augmented area. In conclusion, even though DBBM-C soaked with HIF1A enhanced histomorphometric bone formation, this intervention did not demonstrate superiority in preventing ridge shrinkage compared to DBBM-C alone. Clinical relevance of these findings should be further studied.",
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Effect of Hypoxia-Inducible Factor 1 α on Early Healing in Extraction Sockets. / Lim, Hyun Chang; Thoma, Daniel S.; Jeon, Mijeong; Song, Je Seon; Lee, Sang Kyou; Jung, Ui Won.

In: BioMed Research International, Vol. 2018, 8210637, 01.01.2018.

Research output: Contribution to journalArticle

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