Journal of Oral and Maxillofacial Surgery
Volume 67, Issue 1 , Pages 83-91 , January 2009

Changes in Mandibular Movement and Occlusal Condition After Conservative Treatment for Condylar Fractures

  • Kazuhiro Murakami, DDS, PhD

      Affiliations

    • Senior Resident, Department of Oral and Maxillofacial Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara, Japan
    • Corresponding Author InformationAddress correspondence and reprint requests to Dr Murakami: Department of Oral and Maxillofacial Surgery, Nara Medical University, 840, Shijo-cho, Kashihara, Nara, 634-8522 Japan
    • ,
  • Kazuhiko Yamamoto, DDS, PhD

      Affiliations

    • Associate Professor, Department of Oral and Maxillofacial Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara, Japan
    • ,
  • Tsutomu Sugiura, DDS, PhD

      Affiliations

    • Senior Resident, Department of Oral and Maxillofacial Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara, Japan
    • ,
  • Yasutsugu Yamanaka, DDS, PhD

      Affiliations

    • Senior Resident, Department of Oral and Maxillofacial Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara, Japan
    • ,
  • Tadaaki Kirita, DDS, DMSc

      Affiliations

    • Professor, Department of Oral and Maxillofacial Surgery, Nara Medical University, Shijo-cho, Kashihara, Nara, Japan

References 

  1. Joos U, Kleinheinz J. Therapy of condylar neck fractures. Int J Oral Maxillofac Surg. 1998;27:247
  2. Rubens BC, Stoelinga PJ, Weaver TJ, et al. Management of malunited mandibular condylar fractures. Int J Oral Maxillofac Surg. 1989;19:22
  3. Ohkura K, Harada K, Morishima S, et al. Changes in bite force and occlusal contact area after orthognathic surgery for correction of mandibular prognathism [in Japanese]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2001;91:141
  4. Hidaka O, Iwasaki M, Saito M, et al. Influence of clenching intensity on bite force balance, occlusal contact area, and average bite pressure. J Dent Res. 1999;78:1336
  5. Harada K, Watanabe M, Ohkura K, et al. Measure of bite force and occlusal contact area before and after bilateral sagittal split ramus osteotomy of the mandible using a new pressure-sensitive device: A preliminary report. J Oral Maxillofac Surg. 2000;58:370
  6. Lindahl L. Condylar fractures of the mandible (1. Classification and relation to age, occlusion, and concomitant injuries of teeth and teeth-supporting structures, and fractures of the mandibular body). Int J Oral Surg. 1977;6:12
  7. MacLennan WD. Consideration of 180 cases of typical fractures of the mandibular condylar process. Br J Plast Surg. 1952;5:122
  8. Sugiura T, Yamamoto K, Murakami K, et al. A comparative evaluation of osteosynthesis with lag screws, miniplates, or Kirschner wires for mandibular condylar process fractures. J Oral Maxillofac Surg. 2001;59:1161
  9. Naeije M, McCarroll RS, Weijs WA. Electromyographic activity of the human masticatory muscles during submaximal clenching in the inter-cuspal position. J Oral Rehabil. 1989;16:63
  10. Throckmorton GS, Ellis E. Recovery of mandibular motion after closed and open treatment of unilateral mandibular condylar process fractures. Int J Oral Maxillofac Surg. 2000;29:421
  11. Silvennoinen U, Iizuka T, Oikarinen K, et al. Analysis of possible factors leading to problems after nonsurgical treatment of condylar fractures. J Oral Maxillofac Surg. 1994;52:793
  12. Murakami K, Yamamoto K, Sugiura T, et al. Changes in ramus height and mandibular movement and function after conservative treatment for condylar process fractures. Jpn J Oral Maxillofac Surg. 2002;48:446
  13. Silvennoinen U, Raustia AM, Lindqvist C, et al. Occlusal and temporomandibular joint disorders in patients with unilateral condylar fracture. Int J Oral Maxillofac Surg. 1998;27:280
  14. Palmieri C, Ellis E, Throckmorton GS. Mandibular motion after closed and open treatment of unilateral mandibular condylar process fractures. J Oral Maxillofac Surg. 1999;57:764
  15. Ellis E, Throckmorton GS. Facial symmetry after closed and open treatment of fractures of the mandibular condylar process. J Oral Maxillofac Surg. 2000;58:719
  16. Tateishi A, Mise K, Shibata Y, et al. Treatment outcome in mandibular condylar fractures [in Japanese]. Jpn J Oral Maxillofac Surg. 1997;43:674
  17. Ellis E, Throckmorton GS. Treatment of mandibular condylar process fracture: Biological considerations. J Oral Maxillofac Surg. 2005;63:115
  18. Raustia AM, Oikarinen KS. Changes in electric activity of masseter and temporal muscles after mandibular sagittal split osteotomy. Int J Oral Maxillofac Surg. 1994;23:180
  19. Brodin P, Turker KS, Miles TS. Mechanoreceptors around the tooth evoke inhibitory and excitatory reflexes in the human masseter muscle. J Physiol. 1993;464:711
  20. Turker KS, Brodin P, Miles TS. Reflex responses of motor units in human masseter muscle to mechanical stimulation of a tooth. Exp Brain Res. 1994;100:307
  21. Yamaura C, Kosugi S, Ono K, et al. Patterns of jaw reflexes induced by incisal and molar pressure stimulation in relation to background levels of jaw-clenching force in humans [in Japanese]. Jpn J Physiol. 1993;43:87
  22. Ellis E, Throckmorton GS. Bite forces after open or closed treatment of mandibular condylar process fractures. J Oral Maxillofac Surg. 2001;59:389
  23. Talwar RM, Ellis E, Throckmorton GS. Adaptations of the masticatory system after bilateral fractures of the mandibular condylar process. J Oral Maxillofac Surg. 1998;56:430

PII: S0278-2391(08)01350-5

doi: 10.1016/j.joms.2008.08.002

Journal of Oral and Maxillofacial Surgery
Volume 67, Issue 1 , Pages 83-91 , January 2009

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