Evaluation of the Soft and Hard Tissue Changes After Anterior Segmental Osteotomy on the Maxilla and Mandible

Park, Je Uk; Hwang, Young-Sook

doi:10.1016/j.joms.2005.09.007

Cited by 69 publications

(62 citation statements)

References 4 publications

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“…1,2 Orthodontic treatment for adults can be complicated if the dentition is compromised with periodontitis or multiple restorations, or if the patient refuses to wear conventional labial orthodontic appliances for a long period of time. 3 Therefore, the anterior segmental osteotomy technique has become popular because it compensates for the limitations of conventional orthodontic biomechanics and decreases the total treatment time in adults who need orthodontic therapy. [3][4][5][6][7] Since the inception of the original anterior segmental osteotomy technique in 1921, 4 Wassmund, 5 Cuper, 6 and Wunderer 7 have reported various modifications.…”

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confidence: 99%

“…3 Therefore, the anterior segmental osteotomy technique has become popular because it compensates for the limitations of conventional orthodontic biomechanics and decreases the total treatment time in adults who need orthodontic therapy. [3][4][5][6][7] Since the inception of the original anterior segmental osteotomy technique in 1921, 4 Wassmund, 5 Cuper, 6 and Wunderer 7 have reported various modifications. [1][2][3] However, anterior segmental osteotomy infrequently has serious risks and challenges, such as anterior alveolar necrosis, tooth devitalization, and the need for general anesthesia.…”

mentioning

confidence: 99%

“…[3][4][5][6][7] Since the inception of the original anterior segmental osteotomy technique in 1921, 4 Wassmund, 5 Cuper, 6 and Wunderer 7 have reported various modifications. [1][2][3] However, anterior segmental osteotomy infrequently has serious risks and challenges, such as anterior alveolar necrosis, tooth devitalization, and the need for general anesthesia. 3,8,9 As an alternative, in 1959, K€ ole 10 introduced various clinical corticotomy applications where the osteotomy is limited to the cortical bone level, retaining the continuity of medullary bone and minimizing the tissue damage on teeth and periodontium during orthodontic tooth movement.…”

mentioning

confidence: 99%

“…[1][2][3] However, anterior segmental osteotomy infrequently has serious risks and challenges, such as anterior alveolar necrosis, tooth devitalization, and the need for general anesthesia. 3,8,9 As an alternative, in 1959, K€ ole 10 introduced various clinical corticotomy applications where the osteotomy is limited to the cortical bone level, retaining the continuity of medullary bone and minimizing the tissue damage on teeth and periodontium during orthodontic tooth movement. A corticotomy has been shown to reduce complications and morbidity rates when compared with orthognathic surgery or anterior segmental osteotomy because of its operational simplicity.…”

mentioning

confidence: 99%

See 3 more Smart Citations

Treatment outcome analysis of speedy surgical orthodontics for adults with maxillary protrusion

Choo

Heo

Yoon

et al. 2011

American Journal of Orthodontics and Dentofacial Orthopedics

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confidence: 99%

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confidence: 99%

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confidence: 99%

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confidence: 99%

See 2 more Smart Citations

Treatment outcome analysis of speedy surgical orthodontics for adults with maxillary protrusion

Choo

Heo

Yoon

et al. 2011

American Journal of Orthodontics and Dentofacial Orthopedics

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“…Park and Hwang [8] in their study on a group of 30 patients have stated an increase in the nasolabial angle ranging from 94.96°± 9.67°to 109.03°± 9.08°.…”

Section: Discussionmentioning

confidence: 94%

Erratum to: Nasal Profile Changes Following Anterior Maxillary Segmental Osteotomy: A Lateral Cephalometric Study

Komal¹,

Deepak

Muralee

et al. 2015

J. Maxillofac. Oral Surg.

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Purpose Orthognathic surgery in reference to the maxilla attempts to correct underlying skeletal deformities and improve function. Consequently, it has the potential to significantly alter the central esthetic unit of the face, the nasolabial region. In order to evaluate the nasal morphological changes which would result following anterior maxillary segmental osteotomy (superior and posterior repositioning), four angles, namely nasolabial, nasal tip projection, columellar labial and supra tip break angle, were evaluated. Method and MaterialsIn ten selected subjects who have undergone anterior maxillary segmental osteotomy with superior and posterior repositioning, preoperative (T1) and postoperative (T2) lateral cephalometric parameters pertaining to the four angles were analyzed using Wilcoxon's signed-rank test. Results A significant increase in nasolabial angle and mild changes in nasal tip projection, columellar labial angle and supratip break angle were observed. Conclusion The results of this study emphasize the need for the presurgical evaluation of nasal morphology in every individual planned for anterior maxillary segmental osteotomy.

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Changes in the facial soft tissue profile after maxillary orthognathic surgery

et al. 2021

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Objectives To compare the changes of the soft tissue profile in relation to the displacement of the underlying hard structures in maxillary orthognathic surgery and to contribute to the esthetic prediction of the facial profile after surgical procedures. Materials and methods We analyzed the sagittal changes in the facial soft tissue profile related to surgical changes in skeletal structures after maxillary osteotomy in a retrospective study. The study sample comprised 115 adult patients between the ages of 18–50 years who had undergone maxillary orthognathic surgery and interdisciplinary orthodontic treatment at the Department of Orthodontics, Ludwig-Maximilians University of Munich, Germany. LeFort I osteotomy cases in both maxillary monognathic and bignathic osteotomy procedures were included. All subjects had received rigid fixation. A cephalometric analysis of presurgical and postsurgical cephalograms was performed and the correlations between hard tissue and soft tissue change ratios were evaluated using a bivariate linear regression analysis. A vertical line through the landmark sella (S) perpendicular to the nasion-sella line (NSL) served as the reference plane. Results The subnasale (Sn) followed the A point (A) by 57%, the soft tissue A point (A′) followed the A point (A) by 73% and the upper lip, represented by the landmark labrale superius (Ls) followed the upper incisor (Is) by 73%; all three in a linear correlation with a mean prediction error of nearly 2 mm. Conclusion The scatterplots show a linear correlation with a wide spread for all three pairs of reference points. The wide spread and the high prediction error of almost 2 mm indicate low predictability of the expected lip position and Sn.

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Evaluation of the Soft and Hard Tissue Changes After Anterior Segmental Osteotomy on the Maxilla and Mandible

Cited by 69 publications

References 4 publications

Treatment outcome analysis of speedy surgical orthodontics for adults with maxillary protrusion

Treatment outcome analysis of speedy surgical orthodontics for adults with maxillary protrusion

Erratum to: Nasal Profile Changes Following Anterior Maxillary Segmental Osteotomy: A Lateral Cephalometric Study

Changes in the facial soft tissue profile after maxillary orthognathic surgery

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