• Title/Summary/Keyword: post-traumatic malocclusion

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Post traumatic malocclusion and its prosthetic treatment

  • Park, In-Phill;Heo, Seong-Joo;Koak, Jai-Young;Kim, Seong-Kyun
    • The Journal of Advanced Prosthodontics
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    • v.2 no.3
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    • pp.88-91
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    • 2010
  • Mandible fractures belong to the most common fractures encountered in maxillofacial trauma. Because mandible is such a unique structure with hinge joint and masticatory muscles attached to the body of mandible, attention must be paid to avoid displacement during treatment. Displacement during fracture reduction leads to malocclusion. Many TMJs function with complete comfort and apparent normalcy in adapted centric posture, even though they have undergone deformation caused by trauma. This clinical report describes the patient with post traumatic malocclusion and its prosthetic treatment. His fractured mandible was openly reduced in changed position, as a result his occlusion has been changed. He was treated by prosthetic method in so-called adapted centric posture.

Occlusal rehabilitation of post-traumatic malocclusion patient after reduction of panfacial fracture, using selective occlusal adjustment and implant prostheses on centric relation: a case report (다발성 안면 골절의 정복 후 발생한 부정교합 상태의 환자를 중심위에서 선택적 교합 조정 및 임플란트 보철수복으로 교합관계를 회복시킨 증례)

  • Dae-Kyun Kim;So-Young Park;Jung-Jin Lee;Yeon-Hee Park;Kyoung-A Kim;Jae-Min Seo
    • Journal of Dental Rehabilitation and Applied Science
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    • v.39 no.4
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    • pp.204-213
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    • 2023
  • Invasive or non-invasive reduction of fractures could be conducted as treatments of traumatic maxillofacial bone fractures. But when suboptimal reduction or malunion of maxillofacial bone fracture occurs, malocclusion could occur as a result of the lost relationship of the mandible and midface. This malocclusion is called post-traumatic malocclusion and orthognathic surgery, orthodontic treatment, selective grinding and prosthetic reconstruction are suggested as treatments for post-traumatic malocclusion after securement of stable TMJ. Stable TMJ is essential for occlusal rehabilitation to prevent occlusal change and relapse of malocclusion. Centric relation and adapted centric posture are suggested as start points of occlusal rehabilitation because they are most stable TMJ position. This case report presents a case in which post-traumatic malocclusion occurred after reduction of panfacial fracture. To rehabilitate full mouth occlusion, selective grinding and prosthetic reconstruction of implant supported fixed prostheses were conducted in centric relation and showed satisfying results in functional and occlusal aspects.

Screening for variations in anterior digastric musculature prior to correction of post-traumatic anterior open bite by injection of botulinum toxin type A: a technical note

  • Zdilla, Matthew J.
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.41 no.3
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    • pp.165-167
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    • 2015
  • It has recently been reported that long-standing post-traumatic open bite can be successfully corrected with botulinum toxin type A (BTX-A) injection into the anterior belly of the digastric muscle (ABDM). The report documented an individual with bilaterally symmetrical and otherwise unremarkable anterior digastric musculature. However, the existence of variant anterior digastric musculature is common and may complicate the management of anterior open bite with BTX-A injection. Screening for variant ABDM can be accomplished via ultrasound, computed tomography, and magnetic resonance imaging. Screening for variant ABDM should be performed prior to BTX-A injection in order to account for musculature that may exert undesired forces, such as inferolateral deviation, on the anterior mandible in patients with anterior open bite.

Post-traumatic reconstruction of skeletal Class II malocclusion with multiple teeth fracture (외상과 다수의 치아 파절을 동반한 골격성 II 급 부정교합 환자의 치험례)

  • Jang, Woowon;Baek, Eui Seon;Hwang, Soonshin;Kim, Kyung-Ho;Chung, Chooryung J.
    • Korean Journal of Cleft Lip And Palate
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    • v.20 no.1
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    • pp.49-58
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    • 2017
  • We report the rehabilitation of Class II malocclusion with multiple teeth fracture due to trauma. A multidisciplinary team approach was necessary to treat patient's problems such as bone fracture, malocclusion, and multiple teeth fracture. Emergency conservative treatment, orthodontic treatment and prosthetic restoration successfully restored the occlusion. However, special considerations were needed along the orthodontic treatment process due to the unexpected complications such as ankylosis, root resorption and detection of additional teeth fractures.

Limited mandibular movements after removal of the mandibular third-molar: use of the anterior bite plane and complementary therapies

  • Palinkas, Marcelo;Nassar, Regina Maura Arantes;Nassar, Mariangela Salles Pereira;Bataglion, Solange Aparecida;Bataglion, Cesar;Sverzut, Cassio Edvard;Hotta, Takami Hirono;Regalo, Simone Cecilio Hallak
    • CELLMED
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    • v.2 no.1
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    • pp.6.1-6.4
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    • 2012
  • The traumatic removal of the mandibular third molar may promote post chirurgic consequences such as orofacial pain and limited mandibular movements. The aim of this case report is to describe the use of an anterior bite plane and complementary therapies (low level laser therapy and acupuncture) to treat the muscular dysfunction and the painful symptoms. A 33 year-old male patient who had a severe malocclusion and signs and symptoms of temporomandibular dysfunction was submitted to an initial clinical examination: electromyography of the masticatory muscles and IRM of the temporomandibular joint. After treatments, the results showed reduced pain symptoms and an increase of the mandibular movements and adequated electromiographic activities. The authors concluded that the combination therapies may be used as an alternative treatment because it satisfied the functional requirements of the patient and provided an asymptomatic clinical condition.