Three-dimensional effect of pitch, roll, and yaw rotations on maxillomandibular complex movement

Sung Jin Kim, Kee Joon Lee, Hyung Seog Yu, Young Soo Jung, Hyoung Seon Baik

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Objectives The purpose of this study was to evaluate the 3-dimensional (3D) effect of pitch, roll, and yaw rotations on maxillomandibular complex (MMC) movements in skeletal Class III surgical patients using 3D cone-beam computed tomography (CBCT) data and mathematical calculations. Materials and methods Preoperative CBCT data of 152 skeletal Class III surgical patients was obtained. The subjects were divided into four groups: group 1, non-extraction with a normal/short face; group 2, non-extraction with a long face; group 3, extraction with a normal/short face; and group 4, extraction with a long face. The maxillary and mandibular landmarks were digitized on the reconstructed 3D models, and the movements of their standardized coordinates by pitch, roll, and yaw rotations were calculated using a transformation matrix. Results The rotations resulted in significantly different amounts of MMC movement among the groups, which generally increased from groups 1 to 4. While roll rotation greatly affected the lateral movement of the menton and the vertical movement of the gonion, yaw rotation primarily affected the lateral and anteroposterior movement of the gonion. Combined pitch and roll rotations were required for unilateral impaction of the maxillary first molar. Conclusion The 3D surgical treatment objectives (STO) method was valuable for accurate prediction of MMC movements by pitch, roll, and yaw rotations, which are frequently required in orthognathic surgery patients.

Original languageEnglish
Pages (from-to)264-273
Number of pages10
JournalJournal of Cranio-Maxillofacial Surgery
Volume43
Issue number2
DOIs
Publication statusPublished - 2015 Mar 1

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Yaws
Cone-Beam Computed Tomography
Orthognathic Surgery

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

Cite this

Kim, Sung Jin ; Lee, Kee Joon ; Yu, Hyung Seog ; Jung, Young Soo ; Baik, Hyoung Seon. / Three-dimensional effect of pitch, roll, and yaw rotations on maxillomandibular complex movement. In: Journal of Cranio-Maxillofacial Surgery. 2015 ; Vol. 43, No. 2. pp. 264-273.
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abstract = "Objectives The purpose of this study was to evaluate the 3-dimensional (3D) effect of pitch, roll, and yaw rotations on maxillomandibular complex (MMC) movements in skeletal Class III surgical patients using 3D cone-beam computed tomography (CBCT) data and mathematical calculations. Materials and methods Preoperative CBCT data of 152 skeletal Class III surgical patients was obtained. The subjects were divided into four groups: group 1, non-extraction with a normal/short face; group 2, non-extraction with a long face; group 3, extraction with a normal/short face; and group 4, extraction with a long face. The maxillary and mandibular landmarks were digitized on the reconstructed 3D models, and the movements of their standardized coordinates by pitch, roll, and yaw rotations were calculated using a transformation matrix. Results The rotations resulted in significantly different amounts of MMC movement among the groups, which generally increased from groups 1 to 4. While roll rotation greatly affected the lateral movement of the menton and the vertical movement of the gonion, yaw rotation primarily affected the lateral and anteroposterior movement of the gonion. Combined pitch and roll rotations were required for unilateral impaction of the maxillary first molar. Conclusion The 3D surgical treatment objectives (STO) method was valuable for accurate prediction of MMC movements by pitch, roll, and yaw rotations, which are frequently required in orthognathic surgery patients.",
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Three-dimensional effect of pitch, roll, and yaw rotations on maxillomandibular complex movement. / Kim, Sung Jin; Lee, Kee Joon; Yu, Hyung Seog; Jung, Young Soo; Baik, Hyoung Seon.

In: Journal of Cranio-Maxillofacial Surgery, Vol. 43, No. 2, 01.03.2015, p. 264-273.

Research output: Contribution to journalArticle

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AB - Objectives The purpose of this study was to evaluate the 3-dimensional (3D) effect of pitch, roll, and yaw rotations on maxillomandibular complex (MMC) movements in skeletal Class III surgical patients using 3D cone-beam computed tomography (CBCT) data and mathematical calculations. Materials and methods Preoperative CBCT data of 152 skeletal Class III surgical patients was obtained. The subjects were divided into four groups: group 1, non-extraction with a normal/short face; group 2, non-extraction with a long face; group 3, extraction with a normal/short face; and group 4, extraction with a long face. The maxillary and mandibular landmarks were digitized on the reconstructed 3D models, and the movements of their standardized coordinates by pitch, roll, and yaw rotations were calculated using a transformation matrix. Results The rotations resulted in significantly different amounts of MMC movement among the groups, which generally increased from groups 1 to 4. While roll rotation greatly affected the lateral movement of the menton and the vertical movement of the gonion, yaw rotation primarily affected the lateral and anteroposterior movement of the gonion. Combined pitch and roll rotations were required for unilateral impaction of the maxillary first molar. Conclusion The 3D surgical treatment objectives (STO) method was valuable for accurate prediction of MMC movements by pitch, roll, and yaw rotations, which are frequently required in orthognathic surgery patients.

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