Cone-beam computed tomography analysis of transverse dental compensation in patients with skeletal Class III malocclusion and facial asymmetry
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Objective: The purpose of this study was to analyze the transverse dental compensation in reference to the maxillary and mandibular basal bones using cone-beam computed tomography (CBCT) and evaluate the correlations between transverse dental compensation and skeletal asymmetry variables in patients with skeletal Class III malocclusion and facial asymmetry. Methods: Thirty patients with skeletal Class I (control group; 15 men, 15 women) and 30 patients with skeletal Class III with menton deviation (asymmetry group; 16 men, 14 women) were included. Skeletal and dental measurements were acquired from reconstructed CBCT images using OnDemand3D 1.0 software. All measurements were compared between groups and between the deviated and nondeviated sides of the asymmetry group. Correlation coefficients for the association between skeletal and dental measurements were calculated. Results: Differences in the ramus inclination (p < 0.001), maxillary canine and first molar inclinations (p < 0.001), and distances from the canine and first molar cusp tips to the midmaxillary or midmandibular planes (p < 0.01) between the right and left sides were significantly greater in the asymmetry group than in the control group. In the asymmetry group, the ramus inclination difference (p < 0.05) and mandibular canting (p < 0.05) were correlated with the amount of menton deviation. In addition, dental measurements were positively correlated with the amount of menton deviation (p < 0.05). Conclusions: Transverse dental compensation was correlated with the maxillary and mandibular asymmetry patterns. These results would be helpful in understanding the pattern of transverse dental compensation and planning surgical procedure for patients with skeletal Class III malocclusion and facial asymmetry.
Abstract
Objective: The purpose of this study was to analyze the transverse dental compensation in reference to the maxillary and mandibular basal bones using cone-beam computed tomography (CBCT) and evaluate the correlations between transverse dental compensation and skeletal asymmetry variables in patients with skeletal Class III malocclusion and facial asymmetry. Methods: Thirty patients with skeletal Class I (control group; 15 men, 15 women) and 30 patients with skeletal Class III with menton deviation (asymmetry group; 16 men, 14 women) were included. Skeletal and dental measurements were acquired from reconstructed CBCT images using OnDemand3D 1.0 software. All measurements were compared between groups and between the deviated and nondeviated sides of the asymmetry group. Correlation coefficients for the association between skeletal and dental measurements were calculated. Results: Differences in the ramus inclination (p < 0.001), maxillary canine and first molar inclinations (p < 0.001), and distances from the canine and first molar cusp tips to the midmaxillary or midmandibular planes (p < 0.01) between the right and left sides were significantly greater in the asymmetry group than in the control group. In the asymmetry group, the ramus inclination difference (p < 0.05) and mandibular canting (p < 0.05) were correlated with the amount of menton deviation. In addition, dental measurements were positively correlated with the amount of menton deviation (p < 0.05). Conclusions: Transverse dental compensation was correlated with the maxillary and mandibular asymmetry patterns. These results would be helpful in understanding the pattern of transverse dental compensation and planning surgical procedure for patients with skeletal Class III malocclusion and facial asymmetry.
참고문헌 (29)
- Severt TR, "The prevalence of facial asymmetry in the dentofacial deformities population at the University of North Carolina", Int J Adult Orthodon Orthognath Surg, 12, pp.171~176 (1997)
- Haraguchi S, "Facial asymmetry in subjects with skeletal Class III deformity", Angle Orthod, 72, pp.28~35 (2002)
- Chew MT, "Spectrum and management of dentofacial deformities in a multiethnic Asian population", Angle Orthod, 76, pp.806~809 (2006)
- Yongxu Piao, "Five-year investigation of a large orthodontic patient population at a dental hospital in South Korea", 대한치과교정학회지, 46(3), pp.137~145 (2016), 대한치과교정학회
- Rhodes G, "Facial symmetry and the perception of beauty", Psychon Bull Rev, 5, pp.659~669 (1998)
- Bailey LJ, "Who seeks surgical-orthodontic treatment: a current review", Int J Adult Orthodon Orthognath Surg, 16, pp.280~292 (2001)
- Vig PS, "Asymmetry of the human facial skeleton", Angle Orthod, 45, pp.125~129 (1975)
- Worms FW, "Surgical orthodontic treatment planning: profile analysis and mandibular surgery", Angle Orthod, 46, pp.1~25 (1976)
- Woods MG, "Clinical implications of advances in orthognathic surgery", J Clin Orthod, 23, pp.420~429 (1989)
- Sekiya T, "Elimination of transverse dental compensation is critical for treatment of patients with severe facial asymmetry", Am J Orthod Dentofacial Orthop, 137, pp.552~562 (2010)
- Kim DW, "The relationship between facial asymmetry and maxillary dental arch shape", Korean J Orthod, 27, pp.445~456 (1997)
- Kusayama M, "Relationship between transverse dental anomalies and skeletal asymmetry", Am J Orthod Dentofacial Orthop, 123, pp.329~337 (2003)
- Major PW, "Landmark identification error in posterior anterior cephalometrics", Angle Orthod, 64, pp.447~454 (1994)
- Major PW, "Effect of head orientation on posterior anterior cephalometric landmark identification", Angle Orthod, 66, pp.51~60 (1996)
- 박수병, "Cone-beam CT를 이용한 안면비대칭자에서 이부편위에 따른 치성보상의 양상분석", 대한치과교정학회지, 39(5), pp.300~309 (2009), 대한치과교정학회
- 송효경, "Cone beam CT 영상과 석고모형 레이저 스캔 영상의 결합을 이용한 안면비대칭자의 치성보상 평가", 대한치과교정학회지, 40(6), pp.373~382 (2010), 대한치과교정학회
- Ahn J, "Transverse dental compensation in relation to sagittal and transverse skeletal discrepancies in skeletal Class III patients", Am J Orthod Dentofacial Orthop, 151, pp.148~156 (2017)
- Tyan S, "Three-dimensional analysis of molar compensation in patients with facial asymmetry and mandibular prognathism", Angle Orthod, 86, pp.421~430 (2016)
- Baek C, "Morphologic evaluation and classification of facial asymmetry using 3-dimensional computed tomography", J Oral Maxillofac Surg, 70, pp.1161~1169 (2012)
- 김경아, "Targeted presurgical decompensation in patients with yaw-dependent facial asymmetry", 대한치과교정학회지, 47(3), pp.195~206 (2017), 대한치과교정학회
- Park SH, "A proposal for a new analysis of craniofacial morphology by 3-dimensional computed tomography", Am J Orthod Dentofacial Orthop, 129, pp.600.e23~600.e24 (2006)
- Hyeong-Seok Ryu, "Cone-beam computed tomography based evaluation of rotational patterns of dentofacial structures in skeletal Class III deformity with mandibular asymmetry", 대한치과교정학회지, 45(4), pp.153~163 (2015), 대한치과교정학회
- Baumgaertel S, "Reliability and accuracy of cone-beam computed tomography dental measurements", Am J Orthod Dentofacial Orthop, 136, pp.19~25 (2009)
- Damstra J, "Evaluation and comparison of postero-anterior cephalograms and cone-beam computed tomography images for the detection of mandibular asymmetry", Eur J Orthod, 35, pp.45~50 (2013)
- Hwang HS, "Maxillofacial 3-dimensional image analysis for the diagnosis of facial asymmetry", Am J Orthod Dentofacial Orthop, 130, pp.779~785 (2006)
- Mohamed Bayome, "New three-dimensional cephalometric analyses among adults with a skeletal Class I pattern and normal occlusion", 대한치과교정학회지, 43(2), pp.62~73 (2013), 대한치과교정학회
- Chebib FS, "Indices of craniofacial asymmetry", Angle Orthod, 51, pp.214~226 (1981)
- 최강영, "Analysis of Facial Asymmetry", Archives of Craniofacial Surgery, 16(1), pp.1~10 (2015), 대한두개안면성형외과학회
- Garcia-Figueroa MA, "Effect of buccolingual root angulation on the mesiodistal angulation shown on panoramic radiographs", Am J Orthod Dentofacial Orthop, 134, pp.93~99 (2008)