Relationship between Condylar Hypoplasia and Temporomandibular Joint Disc Displacement without Reduction.

doi:10.13701/j.cnki.kqyxyj.2018.03.023

Abstract

Abstract: Objective: To explore the correlation between condylar hypoplasia and temporomandibular joint disc displacement without reduction. Methods: Clinical and imaging data of patients with unilateral condylar hypoplasia with no exact cause attending our hospital from March 2015 to March 2016 were collected. Their clinical data, CBCT, and MRI imaging results were analyzed. Results: Forty-two patients were included (9 males and 33 females), with the average age of 22.98 years old. Thiry-nine patients (92.86%) recalled TMD history, and 34 patients (80.95%) were detected signs of TMD. The hypoplastic condyle showed a statistically significant smaller in anteroposterior diameter, height of condylar head and condylar height by CBCT measurement compared with the contralateral condyles (P<0.001). MRI revealed the prevalence of disc displacement without reduction was significantly higher (P<0.001), and the degree of deformity and displacement of disc were more serious, in the hypoplastic condyle group than the contralateral side group. Conclusion: Disc displacement without reduction might be one of risk factors for acquired condylar hypoplasia.

Key words: Condylar hypoplasia, Temporomandibular disorders, Disc displacement without reduction, Osteoarthritis

LIU Yi-shu, LIU Mu-qing, LEI Jie, FU Kai-yuan. Relationship between Condylar Hypoplasia and Temporomandibular Joint Disc Displacement without Reduction.[J]. Journal of Oral Science Research, 2018, 34(3): 307-310.

References

[1] de Leeuw R, Klasser G. Orofacial pain: guidelines for assessment, diagnosis, and management. 5th ed [M].Chicago: Quintessence,2013,146-167
[2] Kaneyama K, Segami N, Hatta T.Congenital deformities and developmental abnormalities of the mandibular condyle in the temporomandibular joint [J]. Congenit Anom(Kyoto),2008,48(3)∶118-25
[3] Jie L, Han JH, Liu MQ, et al. Degenerative temporomandibular joint changes associated with recent-onset disc displacement without reduction in adolescents and young adults [J]. J Craniomaxillofac Surg,2017,45(3)∶408-13
[4] Kurita H, Uehara S, Yokochi M,et al.A long-term follow-up study of radiographically evident degenerative changes in the temporomandibular joint with different conditions of disk displacement [J]. Int J Oral Maxillofac Surg, 2006, 35(1)∶49-54
[5] Willems NM, Langenbach GE, Everts V, et al. The microstructural and biomechanical development of the condylar bone: a review [J]. Eur J Orthod, 2014, 36(4)∶479-85
[6] Kinzinger PDG, Kober C, Diedrich P. Topography and Morphology of the Mandibular Condyle during Fixed Functional Orthopedic Treatment-a Magnetic Resonance Imaging Study [J]. J Orofac Orthop, 2007, 68(2)∶124-47
[7] Ribeiro RF, Tallents RH, Katzberg RW, et al. The prevalence of disc displacement in symptomatic and asymptomatic volunteers aged 6 to 25 years [J]. J Orofac Pain,1997,11(1)∶37-47
[8] 刘亚蕊,张清彬,冯梓峻,等.颞下颌关节紊乱病在不同年龄群体的调查研究[J].口腔医学研究,2015,31(12)∶1254-1257
[9] de Melo DP, Sousa Melo SL, de Andrade Freitas Oliveira LS, et al. Evaluation of temporomandibular joint disk displacement and its correlation with pain and osseous abnormalities in symptomatic young patients with magnetic resonance imaging [J]. Oral Surg Oral Med Oral Pathol Oral Radiol,2015,119(1)∶107-112
[10] Tanaka E, Detamore MS, Mercuri LG. Degenerative disorders of the temporomandibular joint: etiology, diagnosis, and treatment [J]. J Dent Res, 2008, 87(4)∶296-307
[11] 韩建辉,雷杰,刘木清,等. 颞下颌关节盘不可复性前移位患者骨关节病表现的锥形束CT观察[J].中华口腔医学杂志,2017,52(1)∶22-26
[12] Lei J, Liu M Q, Yap A U, et al. Condylar subchondral formation of cortical bone in adolescents and young adults [J]. Br J Oral Maxillofac Surg,2013,51(1)∶63-68
[13] Kurita H, Ohtsuka A, Kobayashi H, et al. Alteration of the horizontal mandibular condyle size associated with temporomandibular joint internal derangement in adult females [J]. Dentomaxillofac Radiol,2002,31(6)∶373-8
[14] Nebbe B, Brooks S L, Hatcher D, et al. Interobserver reliability in quantitative MRI assessment of temporomandibular joint disk status [J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1998,86(6)∶746-750
[15] Legrell P E, Isberg A. Mandibular height asymmetry following experimentally induced temporomandibular joint disk displacement in rabbits [J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod,1998,86(3)∶280-285
[16] Shen G, Darendeliler MA. The adaptive remodeling of condylar cartilage---a transition from chondrogenesis to osteogenesis [J]. J Dent Res,2005,84(8)∶691-699
[17] 卓子昂,蔡协艺.颞下颌关节盘前移位的自然转归[J].口腔医学研究,2014,30(7)∶682-684