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第38巻 記念特集号 >

Therapeutic strategies for etiologies in the oral and maxillofacial regions

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Title: Therapeutic strategies for etiologies in the oral and maxillofacial regions
Authors: Tei, Kanchu Browse this author →KAKEN DB
Ohiro, Yoichi Browse this author →KAKEN DB
Matsusita, Kazuhiro Browse this author
Matsuzawa, Yusuke Browse this author
Satoh, Kazuyo Browse this author
Yamada, Tamaki Browse this author →KAKEN DB
Keywords: oral cancer
jaw deformity
odontogenic tumors
post-surgical swallowing dysfunction
dentoalveolar surgery
Issue Date: Sep-2017
Publisher: 北海道歯学会
Journal Title: 北海道歯学雑誌
Volume: 38
Issue: Special issue
Start Page: 151
End Page: 156
Abstract: In this paper we describe our strategies for treatment of oral cancer, jaw deformity, and odontogenic tumors. Details of the strategy for cleft palate is introduced in a separate report, by Professor Mikoya. Newly applied strategies for patients with post-surgical swallowing dysfunction and dentoalveolar surgery are also introduced. Oral cancer, jaw deformity, cleft, and odontogenic tumors are the main etiologies in the oral and maxillofacial region. Early stages of oral cancer (StageI and StageII) are mainly treated with surgery or radiotherapy alone, and the 5-year survival rate is 80 to 90%. With advanced oral cancer (StageIII and StageIV) a combination of chemotherapy and radiotherapy with or without surgery is the norm, but the 5-year survival rate is below 50% overall. Therefore, there is a need for an effective combination of therapies for advanced oral squamous cell carcinomas. The treatment goal for jaw deformities is to achieve a functional and desirable occlusion. To achieve desirable occlusion, treatment by the team approach is introduced, it includes oral and maxillofacial surgeons, orthodontists, and prosthodontists. A unique method, termed the “Dredging Method” is used in the treatment strategies of odontogenic tumors. The method was introduced to remove all of the tumor and restore the form and function of the jaw through bone generation. The Dredging Method involves four steps: Deflation, Enucleation, Dredging, and Follow up. Tooth autotransplantation in our department stands out in comparison with other facilities in the field of dentoalveolar surgery. The annual number of cases exceeds 150, and up to December of 2015 the total number of cases reached 1,100. The 5-year survival rate for cases with transplanted third molars to the molar region is 86%. Post-surgical swallowing dysfunction is strongly dependent on the extent of the surgery and type of reconstruction. Here, post-surgical swallowing dysfunction can be accurately predicted prior to the surgery, and to develop plans for individual rehabilitation programs to overcome post-surgical swallowing dysfunction is crucial.
Type: article
Appears in Collections:北海道歯学雑誌 = Hokkaido Journal of Dental Science > 第38巻 記念特集号

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