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이병도,이완,팽준영,이준,최문기,손현진 대한구강악안면방사선학회 2009 Imaging Science in Dentistry Vol.39 No.3
The calcifying odontogenic cyst (COC) is a rare disorder of the jaws and shows various radiographic features. The purpose of this study is to describe the different radiographic appearances of 2 cases of COC. Case 1 was located in the posterior maxilla extending into maxillary sinus, showing unilocular radiolucency with a well-defined margin. Cortical bone expansion and thinning were prominent. Root resorption of adjacent teeth was apparent. Case 2 showed unilocular radiolucency with a calcified material. Calcification was supposed to be dystrophic dental hard structures, detected at the periphery of the lesion. Ghost cell and proliferation of ameloblastoma-like tissues were common features for these two lesions on histopathological findings. This reports presented common and atypical radiographic features of the COC. (Korean J Oral Maxillofac Radiol 2009; 39 : 169-73)
이병도,이완,팽준영,손현진 대한구강악안면방사선학회 2009 Imaging Science in Dentistry Vol.39 No.1
Although odontogenic myxoma (OM) has various radiographic appearances, the characteristic features of OM are the multilocular radiolucent lesion, straight bony septa along the margin forming either square or triangular spaces. We present a case of OM in a 25-year old-male patient. Multilocular radiolucent lesion on the left mandible body showed tennis racket appearance. Cone beam computed tomography (CBCT) showed straight bony septa along the margin and cortical perforation. This CBCT features would have significantly contributed to allowing a diagnosis of OM. We think that this case shows characteristic radiographic features of odontogenic myxoma.
이병도,이완,권경환,팽준영,손현진 대한구강악안면방사선학회 2009 Imaging Science in Dentistry Vol.39 No.2
Adenomatoid odontogenic tumor(AOT) is a tumor of odontogenic epithelium with varying degrees of inductive changes in the connective tissue. The common radiographic appearance of AOT is a unilocular radiolucency associated with an unerupted tooth. Detectable radiopacities have been reported in many cases. We present a case of AOT in a 9-year old-female patient. Cystic lesion with numerous, punctuate radiopaque foci was observed on the anterior region of the mandible. These radiopacities were situated mostly on the buccal side of impacted tooth on the multi-planar images of cone beam computed tomograph. Characteristic duct like structures and amyloid like material were observed on histopathologic finding.
이병도,이완,김진화,최동훈,팽준영,김은철 대한구강악안면방사선학회 2008 Imaging Science in Dentistry Vol.38 No.2
The unicystic ameloblastoma (UA) is a variant of the solid or multicystic ameloblastoma, a less encountered variant of the ameloblastoma. It appears more frequently in the second or third decade with no sexual or racial predilection. It is almost exclusively encountered asymptomatically in the posterior mandible. We report a case of a 43-year old patient with UA, who had previously undergone a surgical treatment on the same site about 1 year ago, this lesion recurred and presented as an exophytic gingival lesion in the anterior mandibular region.
한국인 하악전돌증환자의 유전적 영향과 유전율에 대한 분석
김영호(Young Ho Kim),조한영(Han Young Cho),백채환(Chae Hwan Baek),이아영(Ah-Young Lee),김군종(Gunjong Kim),김휘영(Whi Young Kim),서영주(Young Ju Suh),백승학(Seung-Hak Baek),홍종락(Jongrak Hong),팽준영(Jun-Young Paeng) 대한구강악안면외과학회 2010 대한구강악안면외과학회지 Vol.36 No.6
Introduction: This study examined the genetic influence of mandibular prognathism epidemiologically in Korean families. Materials and Methods: Over a 5-year period from 2005 to 2009, a questionnaire with a pedigree chart was given to 100 (male 51, female 49) probands with skeletal Class III mandibular prognathism, who had undergone orthognathic surgery in Samsung Medical Center. Results: The average age of the probands was 22.1. The average SNA, SNB and ANB angles of the probands were 81.2, 84.1and -2.9, respectively. A total of 2729 (male 1,354, female 1,375) family members were examined, and the affected ratio of the families was 3.5% with no significant difference between genders. 45% of families had at least one member with a Class III malocclusion other than the proband. The affected ratio of the first-degree relatives (10.9%) was significantly higher than those of the second-degree (3.3%) and third-degree (1.9%) relatives. The affected ratio of the total relatives from the male probands (4.2%) was significantly higher than that of the female probands (2.8%). Heritability (h2, Falconer’method) was estimated to be 29.8% (0.298±0.059) in first-degree relatives. Conclusion: These results showed the significant influence of mandibular prognathism with relatively low heritability in first-degree relatives in Korean families of probands, who had undergone orthognathic surgery to correct a skeletal Class III malocclusion.
Clinical Evaluation of Alveolar Distraction Osteogenesis For Implant Installation
( Jun Young Paeng ),( Hoon Myoung ),( Soon Jung Hwang ),( Byoung Moo Seo ),( Jin Young Choi ),( Jong Ho Lee ),( Pill Hoon Choung ),( Myung Jin Kim ) 대한악안면성형재건외과학회 2006 Maxillofacial Plastic Reconstructive Surgery Vol.28 No.S1
팽준영(Jun-Young Paeng) 대한치과의사협회 2015 대한치과의사협회지 Vol.53 No.5
Bacterial infection after implant installation or bone graft is a serious complication. Bone grafts represent a temporary foreign body lacking vascularisation and are therefore of increased susceptibility to infection, which may be introduced either intraoperatively or postoperatively. Bone graft-associated infections are due to biofilm formation on the surface of the bone graft and often require removal of the infected bone graft with substantial graft failure. In this review, the implant and graft related infection, the role of biofilm and the management will be discussed.
박영욱(Young-Wook Park),이석근(Suk-Keun Lee),권광준(Kwang-Jun Kwon),김성곤(Seong-Gon Kim),팽준영(Jun-Young Paeng),황대석(Dae-Seok Hwang),김좌영(Jwa-Young Kim) 대한구순구개열학회 2020 대한구순구개열학회지 Vol.23 No.1
Objective: The cleft lip and/or palate is the most common congenital anomaly with a high incidence within developing or low-income countries. To overcome the disease burden, humanitarian international missions are essential. In mission operation, patients never underwent any type of preoperative hospital care. Moreover, lots of patients past appropriate time of surgery. Therefore, we investigated primary palatoplasties in mission environments with regard to patients’ age and operation modality. Materials and Methods: The subjects included 106 patients who wanted palatoplasty during cleft missions in Vietnam. Medical records and peri-operative clinical photographs were analyzed retrospectively. Results: Primary palatoplasty was performed at the age of 72.5 months on average. Clinically, incomplete cleft palate was 61.3%. Main surgical technique was V-Y push-back operation with intravelar veloplasty (68%). Additional surgical procedures were pedicled buccal fat pad (33%) and vomer flap (16%). Postoperatively, no motality and any transfusion was not performed. Until 1 month after palatoplasty, fistula rate was 3.8%. Conclusion: For management of untreated cleft palate, which past the appropriate time of palatoplasty, pedicled buccal fat pad could be a reliable additional procedure to decrease postoperative fistula rate.