Short maxillary length

Changed by Joshua Yap, 27 Jul 2022
Disclosures - updated 15 Jul 2022: Nothing to disclose

Updates to Article Attributes

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A short maxillary length can result from many congenital and acquired causes. If seen in an antenatal ultrasound scan, it is often considered to have a high association with trisomy 21 1

Congenital conditions

Many conditions that can cause midfacial hypoplasia will result in a short maxillary length. These include:

Acquired conditions

In acquired situations (i.e. in an adult), previous surgery (e.g. for tumour resection) and trauma are important considerations.

  • -<p>A <strong>short maxillary length</strong> can result from many congenital and acquired causes. If seen in an antenatal ultrasound scan, it is often considered to have a high association with <a href="/articles/down-syndrome">trisomy 21</a> <sup>1</sup>. </p><h5>Congenital conditions</h5><p>Many conditions that can cause <a href="/articles/midfacial-hypoplasia-1">midfacial hypoplasia</a> will result in a short maxillary length. These include</p><ul>
  • +<p>A <strong>short maxillary length</strong> can result from many congenital and acquired causes. If seen in an antenatal ultrasound scan, it is often considered to have a high association with <a href="/articles/down-syndrome">trisomy 21</a> <sup>1</sup>. </p><h5>Congenital conditions</h5><p>Many conditions that can cause <a href="/articles/midfacial-hypoplasia-1">midfacial hypoplasia</a> will result in a short maxillary length. These include:</p><ul>
  • -<li><a href="/articles/fetal-warfarin-syndrome-2">fetal Warfarin syndrome</a></li>
  • +<li><a href="/articles/fetal-warfarin-syndrome-2">fetal warfarin syndrome</a></li>

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