J Korean Assoc Maxillofac Plast Reconstr Surg.  2004 Nov;26(6):568-577.

A comparative study of soft tissue profile between non-surgical group and orthognathic surgery combined group in skeletal class III patients

Affiliations
  • 1Department of Orthodontics, School of Dentistry, Dental Institute, Wonkwang University, Korea. kkojji@wonkwang.ac.kr
  • 2Oral and Maxillofacial Surgery, School of Dentistry, Dental Institute, Wonkwang University, Korea.

Abstract

The purpose of this study was to compare the soft tissue profile between patients who had only a comprehensive orthodontic treatment(non-surgical group) and patients who had a orthognathic surgery (surgical group). 40 patients(male 20, female 20) of over 18 years old and under 23 years old who successfully received orthodontic treatment with no extraction and had no congenital teeth, 47 patients(male 20, female 27) who had orthognathic surgery and genioplasty because of skeletal class III malocclusion was observed and compared using profile cephalometric radiography taken after the treatment was completed. In both non-surgical and surgical group, male group had more thicker upper and lower lips and soft tissues of chin than female group. In both non-surgical and surgical groups, male and female groups both had upper lips positioned posterior and lower lip of male group positioned anterior(protrusion of lower lip is noticable) compared to the result of the research of profile cephalometric radiography of korean adults with normal occlusion which the malocclusion whitepaper publish community of Korean Association of Orthodontists reported. There was no statistically significant difference whether the mandibular setback amount was great or not, or whether genioplasty was performed or not in the surgical group based on the measured figures. Though there was statistically no significance, male and female group both showed that surgical group had larger nasolabial angle and mentolabial angle than non-surgical group and non-surgical group had larger facial profile angle.

Keyword

Soft tissue profile; Orthognathic surgery

MeSH Terms

Adolescent
Adult
Chin
Female
Genioplasty
Humans
Lip
Male
Malocclusion
Orthognathic Surgery*
Radiography
Tooth
Young Adult
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