Riedel's line - Revision history

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2026-09-11T14:06:28Z

MOS: infobox header image, body section, inline refs, categories

← Older revision		Revision as of 14:06, 11 September 2026
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	{{Short description\|Profile tangent used to judge chin projection}}		{{Short description\|Profile tangent used to judge chin projection}}
	{{Infobox term		{{Infobox term
			\| image = Human skull side bones.svg
			\| caption = Lateral skull (Commons). Riedel's line is a profile tangent used to talk about chin projection, not a diagnosis.
			\| alt = Lateral human skull
	\| name = Riedel's line		\| name = Riedel's line
	\| also = Riedel line, Riedel's plane		\| also = Riedel line, Riedel's plane
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	It is a line on a photograph, not a diagnosis. Lighting, lip posture, and [[body fat]] move it. See [[pogonion]] and [[chin]].		It is a line on a photograph, not a diagnosis. Lighting, lip posture, and [[body fat]] move it. See [[pogonion]] and [[chin]].

			== What moves the line ==
			Lighting, lip posture, and [[body fat]] move a photographic tangent. Bone moves with a [[sliding genioplasty]] or an implant. Menton is the bottom of the chin; [[pogonion]] is the front. Forum “Riedel fail” is slang for a chin that does not reach the line.

	== See also ==		== See also ==

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2026-09-11T13:24:28Z

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{{Short description|Profile tangent used to judge chin projection}}
{{Infobox term
| name = Riedel's line
| also = Riedel line, Riedel's plane
| field = Anatomy
| related = [[Chin]]; [[Pogonion]]; [[Mandible]]; [[Sliding genioplasty]]
}}
'''Riedel's line''' is a profile tangent that glances the most projecting point of the lips (or, in some statements, the nose) and asks whether the chin reaches it.<ref name="gray">{{cite book |author=Henry Gray |title=Gray's Anatomy |edition=20th American |year=1918 |publisher=Lea & Febiger |url=https://en.wikipedia.org/wiki/Gray%27s_Anatomy |access-date=11 September 2026}}</ref> Looksmaxxing cephalometric talk uses it as a quick “does the chin show up in side view” check. A chin behind the line is called weak; surgery talk then jumps to [[sliding genioplasty]] or an implant.

It is a line on a photograph, not a diagnosis. Lighting, lip posture, and [[body fat]] move it. See [[pogonion]] and [[chin]].

== See also ==
* [[Pogonion]]
* [[Trichion]]
* [[Chin]]
* [[Sliding genioplasty]]
* [[Mandible]]

== References ==
{{Reflist}}

[[Category:Anatomy]]
[[Category:Face]]
[[Category:Glossary]]