Inherited growth hormone deficiency reduces maxillary arch greater than mandibular arch: Study

Written By :  Dr. Shravani Dali
Medically Reviewed By :  Dr. Kamal Kant Kohli
Published On 2022-02-17 03:30 GMT   |   Update On 2022-02-17 03:30 GMT
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Inherited severe isolated growth hormone deficiency reduces maxillary arch to a greater degree than the mandibular arch, according to a recent study published in the Growth Hormone & IGF Research.

The growth of the dental arches depends on GH and insulin-like growth factor type 1 (IGF1), but the consequences of GH deficiency (GHD) on their growth are still unclear, probably due to the acquired etiology of GHD in most described series, often associated with additional pituitary deficits (thyrotrophic, corticotrophic and gonadotrophic hormones), and imperfections of related replacement therapies, which may affect the dental arch growth. To avoid these limitations, we took advantage of a unique cohort of subjects with isolated GH deficiency (IGHD) due the same mutation in the GH releasing hormone receptor gene, living with very low serum GH and low to undetectable circulating IGF1 levels. Our purpose was to analyze the dimensions of maxillary and mandibular dental arches.

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The study included a total of 22 adult IGHD (15 untreated and 7 previously partially treated with GH) and 33 controls were enrolled in a cross-sectional study using the Ortho Insight 3D and MeshMixer software,

The Results of the study are as follows:

In untreated IGHD subjects all maxillary arch measures were smaller than controls, while among mandibular arches, only the mandibular canine width and the mandibular arch length were reduced. In partially GH treated subjects only the palate depth, the maxillary canine width, the maxillary and mandibular arch lengths remained smaller than controls.

Thus, the researchers concluded that IGHD reduces the growth of maxillary arch to a greater degree than the mandibular arch, suggesting different control of superior and inferior dental arches. GH treatment increases some of these measures.

Reference:

A study named, "Dental arches in inherited severe isolated growth hormone deficiency" by Rafaela S.Girão et al. published in the Growth Hormone & IGF Research.

https://www.sciencedirect.com/science/article/abs/pii/S1096637422000016


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Article Source : Growth Hormone & IGF Research

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