| Dynamic rhinoplasty for the plunging nasal tip: functional unity of the inferior third of the nose. | |
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MedLine Citation:
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PMID: 11129196 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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To achieve permanent results for the correction of a drooping nasal tip, it is important to understand the mechanism responsible for the caudal rotation of the tip when a person speaks or smiles. This mechanism can be considered to depend on a "functional unity" formed by three components: (1) the cartilaginous framework (alar cartilages and accessories acting as a single structure); (2) muscular motors (m. levator labii superioris alaeque nasi and depressor septi nasi); and (3) gliding areas (apertura piriformis, the valvular mechanism between the upper lateral cartilages and alar cartilages, the lax tissue of the nasal dorsum, and the membranous septum). We describe a new anatomical and functional concept responsible for the plunging of the nasal tip. When a person smiles, the functional unit is activated by a combination of two forces acting simultaneously in opposite directions that rotate the tip caudally and elevate the nasal base. The levator moves the alar base upward and the depressor pulls the tip caudally. To correct the drooping tip, the transcartilaginous incision is extended laterally, and the lateral portion of the alar arch is dissected free from the skin and the mucosa, thus exposing the accessory cartilages. The arch is then severed at the level of the accessories to allow the cephalad rotation of the domes. The muscle insertions are dissected free from the accessories and a section of the muscle and, if necessary, the accessory cartilages, is removed. From January of 1991 onward, 312 patients have had this ancillary procedure performed in addition to the basic rhinoplasty technique. |
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Authors:
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J S Arregui; M V Elejalde; J Regalado; F Ezquerra; M Berrazueta |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Plastic and reconstructive surgery Volume: 106 ISSN: 0032-1052 ISO Abbreviation: Plast. Reconstr. Surg. Publication Date: 2000 Dec |
Date Detail:
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Created Date: 2000-12-20 Completed Date: 2001-01-18 Revised Date: 2011-02-16 |
Medline Journal Info:
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Nlm Unique ID: 1306050 Medline TA: Plast Reconstr Surg Country: United States |
Other Details:
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Languages: eng Pagination: 1624-9 Citation Subset: AIM; IM |
Affiliation:
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Plastic Surgery Unit, Dr. V. San Sebastian Clinic, Bilbao, Spain. jsainz_arregui@arrakis.es |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Cartilage
/
physiopathology,
surgery Dissection Facial Muscles / physiopathology, surgery Humans Lip / physiopathology Muscle Contraction / physiology Nasal Septum / physiopathology Nose Diseases / physiopathology, surgery* Rhinoplasty / methods* Rotation Smiling / physiology |
| Comments/Corrections | |
Comment In:
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Plast Reconstr Surg. 2001 Aug;108(2):587
[PMID:
11496226
]
Plast Reconstr Surg. 2001 Nov;108(6):1825-7 [PMID: 11711981 ] |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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