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Effect of bisphosphonate on temporomandibular joint in osteopenia-induced rats by botulinum toxin A injection on masticatory muscle: a preliminary study / 대한악안면성형재건외과학회지
Maxillofacial Plastic and Reconstructive Surgery ; : 11-2019.
Artigo em Inglês | WPRIM | ID: wpr-741583
ABSTRACT

BACKGROUND:

Botulinum toxin injection on the masticatory muscle induces the osteopenic condition on the ipsilateral condyle. Bisphosphonate suppresses bone resorption and is used to treat osteopenic or osteoporotic condition. This study aimed to evaluate the effect of bisphosphonate administration on prevention of condylar resorption and botulinum toxin A-induced disuse osteopenia in rats.

RESULTS:

The volume of the condyle and bone volume/tissue volume (BV/TV, %) showed a strong tendency towards statistical significance (p = 0.052 and 0.058). Trabecular thickness (Tb.Th, mm) and trabecular number (Tb.N, 1/mm) were significantly smaller in the Botox group than in the other groups (p < 0.05). The volume of the condyle and BV/TV in the bisphosphonate 100 and bisphosphonate 200 groups showed similar values when compared with the control group.

CONCLUSION:

Bisphosphonate administration after botulinum toxin A injection in the masticatory muscles appears to prevent condyle resorption and botulinum toxin-induced disuse osteopenia in rats.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Articulação Temporomandibular / Doenças Ósseas Metabólicas / Reabsorção Óssea / Toxinas Botulínicas / Côndilo Mandibular / Músculos da Mastigação Limite: Animais Idioma: Inglês Revista: Maxillofacial Plastic and Reconstructive Surgery Ano de publicação: 2019 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Articulação Temporomandibular / Doenças Ósseas Metabólicas / Reabsorção Óssea / Toxinas Botulínicas / Côndilo Mandibular / Músculos da Mastigação Limite: Animais Idioma: Inglês Revista: Maxillofacial Plastic and Reconstructive Surgery Ano de publicação: 2019 Tipo de documento: Artigo