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두경부 악성종양 환자에서 조기 방사선치료를 위한 구강관리법에 대한 실험적 연구
문원규(Won-Kyu Moon),차인호(In-Ho Cha),김형준(Hyung-Jun Kim),정영수(Young-Soo Jung),이천의(Chun-Ui Lee),이종영(Jong-Young Lee),유미현Mi-Heon Ryu),유재하(Jae-Ha Yoo) 대한구강악안면외과학회 2011 대한구강악안면외과학회지 Vol.37 No.3
Background: Teeth requiring extraction before radiotherapy in head & neck cancer patients should be removed as long as possible before the initiation of radiation therapy. Conventionally, a minimum 2-week waiting primary healing period is recommended. Although the above 2-week period is ideal, it was not uncommon for the radiotherapist and cancer patient to feel an urgent need to process with radiotherapy despite the need for dental care. Therefore, alternative approaches for early radiotherapy, including conservative endodontic treatment and a 1-week waiting primary healing period after dental extraction at the time of radiotherapy, were considered and applied based on the experimental study Materials and Methods: Eighteen dogs were processed for histopathologic wound healing. The effect of the primary endodontic treatment and extraction before early radiotherapy was examined. Results: No specific complication, such as, post-extraction wound infection, radiation osteitis and osteoradionecrosis, were encountered despite the early radiotherapy. Conclusion: Based on the experimental study, a minimum 1-week waiting primary healing period for oral care before radiotherapy is suitable for the early radiotherapy in head and neck cancer patients.
유미현(Mi Heon Ryu) 대한치과의사협회 2014 대한치과의사협회지 Vol.52 No.12
Localized gingival enlargement is a common finding and tends to be reactive hyperplasia. Gingival reactive lesions are usually asymptomatic and respond to conservative treatment. However, a small entity of localized gingival enlargement is distinct from non neoplastic growth, including developmental and neoplastic lesions. Since their clinical characteristics are similar with other lesions of gingiva, it can cause diagnostic dilemma, and is recommended to submit biopsy and confirm pathologic diagnosis. Their incidence of recurrence are different, therefore method of treatment should vary depending on the diagnosis. This review explains identification and treatment of localized gingival lesions.
유미현(Mi Heon Ryu) 대한치과의사협회 2017 대한치과의사협회지 Vol.55 No.7
A wide variety of benign and malignant lesions and other diseases can develop on oral mucosa. Oral mucosal lesions can also be associated with an underlying systemic disease, so their correct diagnosis, which may even share similar clinical and demographic features, is always a challenge for a dentist. Common oral mucosal lesions include candidiasis, herpes viral infection, leukoplakia, recurrent aphthous stomatitis, pemphigus, lichen planus and benign migratory glossitis. The differential diagnosis of these lesions are based on a thorough review of the patient’s past medical and dental history and a complete oral examination. The knowledge of clinical features such as size, location, morphology, color, and pain is helpful in establishing a diagnosis. In addition, diagnostic tests, including microbiologic and laboratory tests and biopsies are usually required for establishing a proper diagnosis.
유선녕,이영철,박혜련,유미현,전혜미,김광연,김상헌,옥수민,고명연,안용우,안순철,정성희,Yu, Sun-Nyoung,Yi, Young-Chul,Park, Hae-Ryoun,Ryu, Mi-Heon,Jeon, Hye-Mi,Kim, Kwang-Youn,Kim, Sang-Hun,Ok, Soo-Min,Ko, Myung-Yun,Ahn, Yong-Woo,Ahn, Soon- 대한안면통증구강내과학회 2011 Journal of Oral Medicine and Pain Vol.36 No.4
Osteoarthritis in patients with temporomandibular disorders(TMDs) induces pain, limitation of mouth opening, occlusal problems, and most commonly affects their life quality. Control method and progressive process of osteoarthritis are being extensively researched. The researchers focus on histologic changes, synovial changes, muscular and ligamental changes and observed reaction to pain. Therefore most of them developed the animal model for osteoarthritis in TMD patients. In this study, we applied several methods which induces osteoarthritis of temporomandibular joint(TMJ) in rats or mice. For locally induce osteoarthritis in TMJ, Monosodium iodoacetate(MIA) or interleukin-$1{\alpha}$(IL-$1{\alpha}$) were injected into TMJ joint space for 5 or 3 weeks. Other groups are chosen for osteoarthritis under systemic control including hormonal changes and aging. To observe cellular change, increased collagen, degenerative bony destruction and distribution of proteoglycans (PGs), safranin-O staining and Masson's trichrome staining were used.
하악골 복합 골절시 구내 열창부 상에 추가 절개 배농술을 이용한 단기간 가변적 악간고정 관리: 증례보고
모동엽,유재하,최병호,김하랑,이천의,유미현,Mo, Dong-Yub,Yoo, Jae-Ha,Choi, Byung-Ho,Kim, Ha-Rang,Lee, Chun-Ui,Ryu, Mi-Heon 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.3
Treatment of the mandibular fracture consists of reduction and fixation. The apparatus that is used to keep the jaws together during healing will often reduce the fracture as well. When the jaws are brought together and intermaxillary elastic rubber traction is placed, the occlusion of the teeth will help to orient the fractured parts into good position. Intermaxillary fixation, that is, fixation obtained by elastic bands between the upper & lower jaws to which suitable anchoring devices have been attached, will successfully treat most fractures of the mandible. Arch bars are perhaps the ideal method for intermaxillary fixation. Several types of ready-made arch bars are used. But, daily occupational life and oral hygiene is difficult to maintain during the period of longterm immobilized intermaxillary fixation (commonly 6-8 weeks), owing to malnutrition and emotional disorders in a position of the patient with mandibular fractures. Most mandibular fractures heal well enough to allow removal of fixation in about 6 weeks. Though there are many complications of mandibular fracture, such as infection, hemorrhage, trismus, paresthesia and nonunion, it is favorable to attain the short-term removable intermaxillary fixation care by use of an additive incision & drainage establishment on the oral lacerated wounds of adjacent mandibular compound fractures. The purpose of an additive incision & drainge establishment is the prevention of wound infection & nonunion by removing the hematoma & seroma in the fracture sites.
뇌기저부 골절후 발생된 과도한 구인두 출혈의 구인두 전체 신속압박에 의한 응급지혈: 증례보고
모동엽,유재하,최병호,김하랑,이천의,유미현,Mo, Dong-Yub,Yoo, Jae-Ha,Choi, Byung-Ho,Kim, Ha-Rang,Lee, Chun-Ui,Ryu, Mi-Heon 대한악안면성형재건외과학회 2010 Maxillofacial Plastic Reconstructive Surgery Vol.32 No.2
Excessive oral and maxillofacial bleeding causes upper airway obstruction, bronchotracheal & gastric aspiration and hypovolemic shock. Therefore, the rapid & correct bleeding control is very important for life-saving in the medical emergency room. In spite of the bleeding control methods of the wound suture & direct pressure, the postoperative bleeding can be occurred, because of the presence of various bleeding disorders & postoperative delayed wound infections. The proper care of bleeding disorders & wound infections are very important for the control of the delayed postoperative rebleeding. In spite of these methods, active oral bleeding can be presented by the other causes of head injury. A rare but particularly dangerous sort of bleeding that may have an especial importance to the patient with severe basal skull fracture that damage large vessels and even the cavernous sinus. The occurrence of profuse nasal or oropharyngeal bleeding may arise from damage to the anterior and posterior ethmoidal vessels, but when mixed with brain tissue it is evidence of mortal damage. In this condition, rapid entire oropharyngeal packing is essential for the control of active oral bleeding. This is a case report of rapid rational bleeding control method by much amount of wet gauze packings, in a 44-years-old male patient with active oropharyngeal bleeding by basal skull fractures.
자극성 섬유종에서 비만 세포와 대식 세포의 면역조직화학적 발현
한혜연 ( Hye Yeon Han ),강남규 ( Nam Kyu Kang ),유미현 ( Mi Heon Ryu ) 한국치위생학회 2013 한국치위생학회지 Vol.13 No.1
연구목적: 자극성 섬유종은 만성자극에 의해 발생하는 구강내 증식성 병변이다. 상처 치유의 초기 과정에서는 비만 세포와 대식 세포가 섬유모세포의 이주, 증식, 아교질 합성 등에 연관되어 있는 성장인자와 사이토카인을 분비하여 상처 치유에 중요한 역할을 한다. 저자들은 자극성 섬유종을 조직학적 특성에 따라 세분하고, 각각의 조직학적 아형에서 비만 세포와 대식 세포의 발현을 조사하여 자극성 섬유종의 발생 기전을 이해하고자 하였다. 연구방법: 본 연구에서는 82예의 자극성 섬유종을 조직 소견에 따라 4가지 유형으로 분류하였으며, 자극성 섬유종과 10예의 정상 구강점막에 톨루이딘 블루 염색과 CD 68 면역조직화학염색을 시행하였다. 이를 통계화하여 자극성 섬유종의 조직학적 아형에 따른 비만 세포와 대식 세포의 분포 정도를 관찰하였다. 연구결과: 통계 결과 비만 세포와 대식 세포의 분포는 자극성 섬유종에서 현저히 증가하였으며, Spearman 상관계수는 0.693이었다. 결론: 조직의 섬유화에 관여하는 비만 세포는 자극성 섬유종의 cellular type에서 유의하게 증가하였으며, 대식 세포도 자극성 섬유종의 모든 아형에서 유의하게 증가하였다. 따라서 자극성 섬유종의 형성 과정에는 비만 세포와 대식 세포의 증가가 중요한 역할을 하는 것으로 생각되었다.