Workup
Laboratory Studies
- The lip and its relationship to other facial structures are evaluated by frontal and profile aesthetic views as well as possible cephalometric radiograph to assess the underlying dento-alveolus and facial skeleton. The lips must be assessed, as must the relationship of the lips to the nose and chin.5,9 Physical examination of the lip is conducted from the face-on view to evaluate the visible vermilion (vertical height) and the transverse lip excess.
- From the profile view, the upper to lower lip relationship as well as the degree of lip eversion is also noted. Prominent lips may be the result not of lip volume but of lip ectropion or labial eversion.3 Furthermore, the orbicularis musculature is assessed for its tone and the muscular ring for its competence. Once again, the nose-lip-chin relationship is critically evaluated. If needed, a lateral cephalogram is obtained to assess the underlying dento-alveolus and facial skeletal contribution to the lip deformity.
Imaging Studies
- Lateral cephalometric evaluation is indicated to rule out dento-osseous causes of lip protrusion. It is used to assess osseous lip support, soft tissue thickness, and lip posture. For instance, maxillary retrusion with vertical deficiency and mandibular prognathism produces a pseudomacrocheilia of the lower lips (see Image 7).10
- Dento-osseous protrusion associated with microgenia can cause pseudomacrocheilia.8 A useful cephalometric analysis consists of evaluating the linear distance from the lower incisor tip nasion B (NB) line, which is the same distance as the line from pogonion to NB line.8 Alteration in this relationship suggests mandibular protrusion or microgenia. The normal chin and lip soft tissue thickness is approximately 12 mm in Caucasians and 15 mm in African Americans. Excessive lip incompetence could be the result of long face syndrome, open bite deformity, or muscular hypotonia.8 Surgical-orthodontic therapy may eliminate the pseudomacrocheilia.
Other Tests
- Preoperative evaluation of lip reduction surgery should include a psychological screening of the patient's expectations of the outcome of the surgery. Patients should be counseled in advance that additional touch-up surgery may be necessary.
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References
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Pitanguy I, Gonzalez R, Brentano J, et al. Surgical treatment of macrocheilia. Head Neck Surg. May-Jun 1988;10(5):309-18. [Medline].
Habel G, O'Regan B. Surgical management of macrocheilia of the lower lip. Br J Oral Maxillofac Surg. Oct 1990;28(5):295-8. [Medline].
Stucker FJ Jr. Reduction cheiloplasty. An adjunctive procedure in the black rhinoplasty patient. Arch Otolaryngol Head Neck Surg. Jul 1988;114(7):779-80. [Medline].
Ellis DA, Rubin AM, Shemen LJ. University of Toronto teaching rounds. Esthetic evaluation of the lips and cosmetic reconstructions. J Otolaryngol. Jun 1982;11(3):221-5. [Medline].
Farkas LG. Anthropometry of the Head and Face in Medicine. NY: Elsevier Science; 1981.
Gunter PJ. Facial analysis for the rhinoplasty patient. Presented at: Dallas Rhinoplasty Symposium. 1999:17-28.
Epker BN, Wolford LM. Reduction cheiloplasty: its role in the correction of dentofacial deformities. J Maxillofac Surg. Jun 1977;5(2):134-41. [Medline].
Stucker FJ Jr. Profile contouring including cheiloplasty. Arch Otolaryngol. Nov 1979;105(11):680-3. [Medline].
Pensler JM, Mulliken JB. The cleft lip lower-lip deformity. Plast Reconstr Surg. Oct 1988;82(4):602-10. [Medline].
Cederna PS, Fiala TGS, Smith DJ Jr, et al. Melkersson-Rosenthal syndrome: reduction cheiloplasty utilizing a transmodiolar labial suspension suture. Aesthetic Plast Surg. Mar-Apr 1998;22(2):102-5. [Medline].
Field LM. Macrocheiloplasty. Principles and techniques. J Dermatol Surg Oncol. Jun 1992;18(6):503-7. [Medline].
Niechajev I. Lip enhancement: surgical alternatives and histologic aspects. Plast Reconstr Surg. Mar 2000;105(3):1173-83; discussion 1184-7. [Medline].
Dedic A, Masic I, Pasalic A, et al. [Therapy of the Melkersson-Rosenthal syndrome with kenalog]. Med Arh. 2000;54(2):119-20. [Medline].
Matory EW. Lip thinning. In: E Courtiss, ed. Male Aesthetic Surgery. 2nd ed. St. Louis: Mosby; 1991:180-1.
Puri N, Pradhan KL, Chandna A, et al. Biometric study of tooth size in normal, crowded, and spaced permanent dentitions. Am J Orthod Dentofacial Orthop. Sep 2007;132(3):279.e7-14. [Medline].
Trussler AP, Kawamoto HK, Wasson KL, et al. Upper lip augmentation: palmaris longus tendon as an autologous filler. Plast Reconstr Surg. Mar 2008;121(3):1024-32. [Medline].
Further Reading
Keywords
lip reduction, lip surgery, full lips, lips too full, lip reduction surgery, lip lift, lip treatments, prominent lips, fat lips, big lips, large lips, cheiloplasty, oral function, macrocheilia, Melkersson-Rosenthal syndrome, Ascher syndrome
Workup: Lip Reduction