Browse > Article

The differences of STO between before and after presurgical orthodontics in skeletal Class III malocclusions  

Lee, Eun-Ju (Department of Orthodontics, Pusan National University Hospital)
Son, Woo-Sung (Department of Orthodontics, School of Dentistry, Pusan National University)
Park, Soo-Byung (Department of Orthodontics, School of Dentistry, Pusan National University)
Kim, Seong-Sik (Department of Orthodontics, School of Dentistry, Pusan National University)
Publication Information
The korean journal of orthodontics / v.38, no.3, 2008 , pp. 175-186 More about this Journal
Abstract
Objective: To evaluate the discrepancies between initial STO and final STO in Class III malocclusions and to find which factors are related to the discrepancies. Methods: Twenty patients were selected for the extraction group and 20 patients for the non-extraction group. They were diagnosed as skeletal Class III and received presurgical orthodontic treatment and mandibular set-back surgery at Pusan National University Hospital. The lateral cephalograms were analyzed for initial STO (T1s) at pretreatment and final STO (T2s) after presurgical orthodontic treatment, and specified the landmarks 3s coordinates of the X and V axes. Results: Differences in hard tissue points (T1s-T2s) in the X coordinates of upper central incisor edge, upper first molar mesial end surface, lower central incisor apex, lower first molar mesial end surface and mesio-buccal cusp and Y coordinates of upper central incisor edge, upper central incisor apex, upper first molar mesio-buccal cusp were statistically significant in the extraction group. Differences in hard tissue points (T1s-T2s) in the X coordinates of upper central incisor edge, lower central incisor apex, lower first molar mesial end surface and Y coordinates of lower central incisor apex were statistically significant in the non-extraction group. In the extraction group, the upper arch length discrepancy (UALD) had a statistically significant effect on maxillary incisor and first molar estimation. Lower arch length discrepancy and IMPA had statistically significant effects on mandibular incisor estimation in both groups. Conclusions: Discrepancies between initial STO and final STO and factors contributing to the accuracy of initial STO must be considered in treatment planning of Class III surgical patients to increase the accuracy of prediction.
Keywords
Skeletal Class III malocclusion; Presurgical orthodontics; STO; Final STO;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
연도 인용수 순위
1 Lee HS, Park YC. A cephalometric study of profile changes following orthognathic surgery in patients with mandibular prognathism. Korean J Orthod 1987;17:299-310
2 McNeill RW, Proffit WR, White RP. Cephalometric prediction for orthodontic surgery. Angle Orthod 1972;42:154-64   PUBMED
3 Lines PA, Steinhauser EW. Soft tissue changes in relationship to movement of hard structures in orthognathic surgery: a preliminary report. J Oral Surg 1974;32:891-6   DOI   ScienceOn
4 Lee SJ, Hong SJ, Kim YH, Baek SH, Suhr CH. Effect of maxillary premolar extracion on transverse arch dimension in Class III surgical-orthodontic treatment. Korean J Orthod 2005;35:23-34
5 Chang IH, Lee YJ, Park YG. A comparative study of soft tissue changes with mandibular one jaw surgery and double jaw surgery in Class III malocclusion. Korean J Orthod 2006;36:63-73   과학기술학회마을
6 Chang JH, Lee SJ, Kim TW. Evaluation of nasolabial angle in adult patients with skeletal Class III malocclusion. Korean J Orthod 2007;37:272-82   과학기술학회마을
7 Choi YS, Son WS. A comparative study on the postsurgical changes between one jaw surgery and two-jaw surgery in skeletal Class III patients. Korean J Orthod 1997;27:297-313
8 Kim JR, Kim TK, Chung IK, Yang DK, Park SB, Son WS, et al. Cephalometric analysis of postsurgical behavior of mandibular prognathism. J Korean Assoc Maxillofac Plast Reconstr Surg 1993;15:123-8
9 Choi YK, Suhr CH. Hard and soft tissue changes after orthognathic surgery of mandibular prognathism. Korean J Orthod 1993;23:707-24   과학기술학회마을
10 Hixon EH. Cephalometrics: A perspective. Angle Orthod 1972;42:200-11   PUBMED
11 Hwang CJ, Kwon HJ. A study on the preorthodotic prediction values versus the actual postorthodontic values in Class III surgery patients. Korean J Orthod 2003;33:1-9
12 Kwon MJ, Baik HS, Lee WY. A study on the accuracy of profile change prediction by video imaging (Power Ceph$^{\circledR}$Ver 3.3) in Class III two jaw surgery patients. Korean J Orthod 1999;29:285-301   과학기술학회마을
13 Vig KD, Ellis E 3rd. Diagnosis and treatment planning for the surgical-orthodontic patient. Dent Clin North Am 1990;34: 361-84   PUBMED
14 Kim SJ, Park SY, Woo HH, Park EJ, Kim YH, Lee SJ, et al. A study on the limit of orthodontic treatment. Korean J Orthod 2004;34:165-75
15 Mankad B, Cisneros GJ, Freeman K, Eisig SB. Prediction accuracy of soft tissue profile in orthognathic surgery. Int J Adult Orthodon Orthognath Surg 1999;14:19-26
16 Jacobs JD, Sinclair PM. Principles of orthodontic mechanics in orthognathic surgery cases. Am J Orthod 1983;84:399-407   DOI   ScienceOn
17 Hwang CJ, Moon JL. The limitation of alveolar bone remodeling during retraction of the upper anterior teeth. Korean J Orthod 2001;31:97-105   과학기술학회마을
18 Wolford LM, Hilliard FW, Dugan DJ. Surgical treatment objective: a systemic approach to the prediction tracing. St. Louis: Mosby;1985. p. 54-74
19 Arnett GW, Gunson MJ. Facial planning for orthodontists and oral surgeons. Am J Orthod Dentofacial Orthop 2004;126: 290-5   DOI   ScienceOn
20 Arnett GW, Jelic JS, Kim J, Cummings DR, Beress A, Worley CM Jr, et al. Soft tissue cephalometric analysis: Diagnosis and treatment planning of dentofacial deformity. Am J Orthod Dentofacial Orthop 1999;116:239-53   DOI   ScienceOn
21 Kobayashi T, Watanabe I, Ueda K, Nakajima T. Stability of the mandible after sagittal ramus osteotomy for correction of prognathism. J Oral Maxillofac Surg 1986;44:693-7   DOI   ScienceOn
22 Bryan DC, Hunt NP. Surgical accuracy in orthognathic surgery. Br J Oral Maxillofac Surg 1993;31:343-49   DOI   ScienceOn
23 Friede H, Kahnberg KE, Adell R, Ridell A. Accuracy of cephalometric prediction in orthognathic surgery. J Oral Maxillofac Surg 1987;45:754-60   DOI   ScienceOn
24 Choi BT. Steps of preparation for orthognathic surgery. Seoul:JeeSung Publishing;2004
25 Proffit WR, White RP. Surgical orthodontic treatment. St Louis:Mosby;1991. p. 202-15
26 Worms FW, Isaacson RJ, Speidel TM. Surgical orthodontic treatment planning: Profile analysis and mandibular surgery. Angle Orthod 1976;46:1-25
27 Tompach PC, Wheeler JJ, Fridrich KL. Orthodontic considerations in orthognathic surgery. Int J Adult Orthodon Orthognath Surg 1995;10:97-107   PUBMED
28 Gossett CB, Preston CB, Dunford R, Lampasso J. Prediction accuracy of computer-assisted surgical visual treatment objectives as compared with conventional visual treatment objectives. J Oral Maxillofac Surg 2005;63:609-17   DOI   ScienceOn
29 Pospisil OA. Reliability and feasibility of prediction tracing in orthognathic surgery. J Craniomaxillofac Surg 1987;15:79-83   DOI
30 Cho EJ, Yang WS. Soft tissue changes after double jaw surgery in skeletal Class III maloccluaion. Korean J Orthod 1996;26:1-16
31 Yang SD. Surgical treatment objectives. J Korean Dent Assoc 2007;45:404-13
32 Lee RT. The benefits of post-surgical orthodontic treatment. Br J Orthod 1994;21:265-74   DOI   PUBMED
33 Park JH, Hwang CJ. A study on the preoperative prediction values versus the postoperative actual values in Class III two jaw surgery patients. J Korean Assoc Maxillofac Plast Reconstr Surg 2003;25:238-48
34 Robinson SW, Speidel TM, Isaacson RJ, Worms FW. Soft tissue profile change produced by reduction of mandibular prognathism. Angle Orthod 1972;42:227-35
35 Yang WS, Baik HS. A study on the extracellular matrix in the artificially created cleft lip wound healing of rabbit fetuses. Korean J Orthod 1998;28:865-75   과학기술학회마을
36 Sinclair PM, Kilpelainen P, Phillips C, White RP Jr, Rogers L, Sarver DM. The accuracy of video imaging in orthognathic surgery. Am J Orthod Dentofacial Orthop 1995;107:177-85   DOI   ScienceOn
37 Eckhardt CE, Cunningham SJ. How predictable is orthognathic surgery? Eur J Orthod 2004;26:303-9   DOI   ScienceOn
38 Tweed CH. The Frankfort-mandibular incisor angle in orthodontic diagnosis, treatment planning and prognosis. Angle Orthod 1954(FMIA);24:121-69
39 Kim NK, Lee C, Kang SH, Park JW, Kim MJ, Chang YI. A three-dimensional analysis of soft and hard tissue changes after a mandibular setback surgery. Comput Methods Programs Biomed 2006;83:178-87   DOI   ScienceOn
40 Steiner CC. The use of cephalometrics as an aid to planning and assessing orthodontic treatment. Am J Orthod 1960;46: 721-35   DOI   ScienceOn