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Seong Gon KIM

Maxillofacial Plastic and Reconstructive Surgery.2016;38(12):51-. doi:10.1186/s40902-016-0098-5

No abstract available.
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Evaluation of clinical outcomes of implants placed into the maxillary sinus with a perforated sinus membrane: a retrospective study.

Gwang Seok KIM ; Jae Wang LEE ; Jong Hyon CHONG ; Jeong Joon HAN ; Seunggon JUNG ; Min Suk KOOK ; Hong Ju PARK ; Sun Youl RYU ; Hee Kyun OH

Maxillofacial Plastic and Reconstructive Surgery.2016;38(12):50-. doi:10.1186/s40902-016-0097-6

BACKGROUND: The aim of this study was to evaluate the clinical outcomes of implants that were placed within the maxillary sinus that has a perforated sinus membrane by the lateral window approach. METHODS: We examined the medical records of the patients who had implants placed within the maxillary sinus that has a perforated sinus membrane by the lateral approach at the Department of Oral and Maxillofacial Surgery of Chonnam National University Dental Hospital from January 2009 to December 2015. There were 41 patients (male:female = 28:13). The mean age of patients was 57.2 ± 7.2 years at the time of operation (range, 20–76 years). The mean follow-up duration was 2.1 years (range, 0.5–5 years) after implant placement. Regarding the method of sinus elevation, only the lateral approach was included in this study. RESULTS: Ninety-nine implants were placed in 41 patients whose sinus membranes were perforated during lateral approach. The perforated sinus membranes were repaired with a resorbable collagen membrane. Simultaneous implant placements with sinus bone grafting were performed in 37 patients, whereas delayed placements were done in four patients. The average residual bone height was 3.4 ± 2.0 mm in cases of simultaneous implant placement and 0.6 ± 0.9 mm in cases of delayed placement. Maxillary bone graft with implant placement, performed on the patients with a perforated maxillary sinus membrane did not fail, and the cumulative implant survival rate was 100%. CONCLUSIONS: In patients with perforations of the sinus mucosa, sinus elevation and implant placement are possible regardless of the location and size of membrane perforation. Repair using resorbable collagen membrane is a predictable and reliable technique.
Bone Transplantation ; Collagen ; Follow-Up Studies ; Humans ; Jeollanam-do ; Maxilla ; Maxillary Sinus* ; Medical Records ; Membranes* ; Methods ; Mucous Membrane ; Retrospective Studies* ; Surgery, Oral ; Survival Rate ; Transplants

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Bone regenerative effect of recombinant human bone morphogenetic protein-2 after cyst enucleation.

Doo Yeon HWANG ; Sung Woon ON ; Seung II SONG

Maxillofacial Plastic and Reconstructive Surgery.2016;38(12):22-. doi:10.1186/s40902-016-0070-4

BACKGROUND: The aim of this study is to quantitatively evaluate the effect of rhBMP-2 for repair of bone defects after cyst enucleation using the osteogenesis index (OI). METHODS: Under general anesthesia, 10 patients (12 lesions) underwent oral or maxillofacial surgery for cyst enucleation. Postoperatively, 12 lesions were divided into two groups: group A (six lesions) was treated with absorbable collagen sponge (ACS) in combination with rhBMP-2, and group B (six lesions) was treated with ACS alone. After 3 months, cone-beam computed tomographic scans were obtained to measure changes in the volume of the lesions. We then calculated the OI of each group at two different Hounsfield units to determine any statistically significant difference between these two groups (Mann–Whitney U test). RESULTS: As tested at the level of new bone, the mean OI was 72.37% in group A and 55.08% in group B —a statistically significant difference (p=0.041). As tested at the level of mature bone, the mean OI was 27.47% in group A and 18.88% in group B, but the difference was not statistically significant (p=0.394). CONCLUSIONS: The application of rhBMP-2 after maxillofacial cyst enucleation accelerated new bone formation in the bone defects. Thus, the use of rhBMP-2 in combination with ACS may be considered an alternative to conventional bone grafting in some patients with postoperative bone defects. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1186/s40902-016-0070-4) contains supplementary material, which is available to authorized users.
Anesthesia, General ; Bone Regeneration ; Bone Transplantation ; Collagen ; Humans* ; Osteogenesis ; Porifera ; Surgery, Oral

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Decompression Device Using a Stainless Steel Tube and Wire for Treatment of Odontogenic Cystic Lesions: A Technical Report.

Eun Joo JUNG ; Jin A BAEK ; Dae Ho LEEM

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):308-310.

Decompression is considered an effective treatment for odontogenic cystic lesions in the jaw. A variety of decompression devices are successfully used for the treatment of keratocystic odontogenic tumors, radicular cysts, dentigerous cysts, and ameloblastoma. The purpose of these devices is to keep an opening between the cystic lesion and the oral environment during treatment. The aim of this report is to describe an effective decompression tube using a stainless steel tube and wire for treatment of jaw cystic lesions.
Ameloblastoma ; Decompression* ; Dentigerous Cyst ; Jaw ; Jaw Cysts ; Odontogenic Cysts* ; Odontogenic Tumors ; Radicular Cyst ; Stainless Steel*

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Undifferentiated Pleomorphic Sarcoma in Mandible.

Chul Hwan KIM ; Jong Won JANG ; Moon Young KIM ; Yong Hwan KIM ; Hang Gul KIM ; Joo Hwan KIM

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):303-307.

Undifferentiated pleomorphic sarcoma (UPS), previously known as malignant fibrous histiocytoma, occurs commonly in the soft tissues in adult, but is rare in the maxillofacial region. It consists of undifferentiated mesenchymal tumor cells resembling histiocytes and fibroblasts. The purpose of this article is to report a case of UPS in the mandible. A 44-year-old patient presented with a painful growing mass in the mandible of two months' duration. Computed tomography and positron emission tomography-computed tomography revealed an ill-defined heterogenous, hypermetabolic mass about 4 cm in size in the left mandible invading adjacent soft tissues. A left mandiblulectomy and reconstruction with a fibular free flap were performed. Immunohistochemical study gave a diagnosis of UPS. The patient was referred for adjuvant chemotherapy after surgical removal of the tumor.
Adult ; Chemotherapy, Adjuvant ; Diagnosis ; Electrons ; Fibroblasts ; Free Tissue Flaps ; Histiocytes ; Histiocytoma, Malignant Fibrous ; Humans ; Mandible* ; Sarcoma*

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Defatting Vestibuloplasty for Functional and Esthetic Reconstruction of Tongue.

Si Yeok PARK ; Min Keun KIM ; Seong Gon KIM ; Kwang Jun KWON ; Jin Soo BYUN ; Chan Jin PARK ; Young Wook PARK

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):298-302.

The radial forearm free flap (RFFF) is a thin and pliable tissue with many advantages for tongue reconstruction. However, tongues reconstructed with RFFF occasionally need revision surgery because inadequate defect measurement at primary surgery can lead to bulkiness and limited movement of reconstructed tongue. In this case, the patient underwent partial glossectomy and RFFF reconstruction for treatment of tongue cancer five years prior. We could not make a lower denture for the patient, because the alveolo-lingual sulcus of tongue was almost lost. So we performed vestibuloplasty with a modified Kazanjian method on the lingual vestibule of the mandibular right posterior area, and defatting surgery to debulk the flap. After surgery, we observed that the color and texture of the revised tongue changed to become similar with adjacent tissue. The patient obtained a more functional and esthetic outcome. Accordingly, we present a case report with a review of relevant literature.
Dentures ; Forearm ; Free Tissue Flaps ; Glossectomy ; Humans ; Tongue Neoplasms ; Tongue* ; Vestibuloplasty*

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Nevoid Basal Cell Carcinoma Syndrome: A Case Report and Review of Korean Cases.

Eun Joo JUNG ; Hyokeun SHIN ; Jin A BAEK ; Dae Ho LEEM ; Seung O KO

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):292-297.

Nevoid basal cell carcinoma syndrome (NBCCS) is a rare autosomal genetic disease caused by a PTCH mutation. The disease is characterized by multiple basal cell carcinomas of the skin, multiple keratocystic odontogenic tumors (KCOTs) in the jaw, palmar and/or plantar pits, bifid ribs, ectopic calcification of the falx cerebri, and skeletal abnormalities. Early diagnosis is difficult in many cases because there may be a number of systemic symptoms. The purpose of this study is to report the case of a 12-year-old girl who was hospitalized with multiple KCOTs that occurred in the upper and lower jaws. Through characteristic clinical symptoms and radiologic findings, she was finally diagnosed as having NBCCS. This study also aims to organize the symptoms often observed in Korea using previously published case reports to provide useful information for the early diagnosis of NBCCS.
Basal Cell Nevus Syndrome* ; Carcinoma, Basal Cell ; Child ; Early Diagnosis ; Female ; Humans ; Jaw ; Korea ; Odontogenic Cysts ; Odontogenic Tumors ; Ribs ; Skin

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Osteomyelitis in an Osteopathia Striata with Cranial Sclerosis Patient.

Heung Chul PARK ; Hang Gul KIM ; Yong Hwan KIM ; Joo Hwan KIM ; Moon Young KIM ; Kyung Wook KIM

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):285-291.

Osteopathia striata with cranial sclerosis (OS-CS) is characterized by linear bone dysplasia at the long bone radiographically and sclerotic change at the cranium. The purpose of this case report is to study the symptoms and treatments of osteomyelitis in a patient with OS-CS. A 41-year-old patient had pus discharge from a fistula at the mental region and increase in radiolucencies with sequestra in panoramic radiograph images. Computed tomography (CT) as well as radiograph images for the whole skeleton were taken. The patient was diagnosed with OS-CS. Sequestrectomy and fistulectomy were performed. The patient recovered and no relapse occurred within six months after surgery. For diagnosis of OS-CS, CT and additional radiograph images for the whole skeleton are required. Because of the increased bone density, this patient is prone to relapse after sequestrectomy. Therefore, the surgeon must minimize trauma with the least incision and exfoliation, and preoperative antibiotics.
Adult ; Anti-Bacterial Agents ; Bone Density ; Bone Diseases, Developmental ; Diagnosis ; Fistula ; Humans ; Osteomyelitis* ; Osteosclerosis ; Recurrence ; Sclerosis* ; Skeleton ; Skull ; Suppuration

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Effectiveness of Woven Silk Dressing Materials on Full-skin Thickness Burn Wounds in Rat Model.

Woo Young LEE ; In Chul UM ; Min Keun KIM ; Kwang Jun KWEON ; Seong Gon KIM ; Young Wook PARK

Maxillofacial Plastic and Reconstructive Surgery.2014;36(6):280-284.

PURPOSE: This study evaluated woven silk textile for burn wound dressing materials in an animal model. METHODS: Ten rats were used in this experiment. Full-thickness 2x2 cm burn wounds were created on the back of the rats under anesthesia. In the experimental group, the wounds were treated with three different dressing materials from woven silk textile. In the control group, natural healing without any dressing material was set as control. The wound surface area was measured at five days, seven days, and 14 days. Wound healing was evaluated by histologic analysis. RESULTS: There were no statistically significant differences among groups at five days post injury. The mean defect size at seven days was largest in Group 3 (462.87 mm2), and smallest in Group 1 (410.89 mm2), not a significant difference (P =0.341). The mean defect size at 14 days was smallest at the Group 3 (308.28 mm2) and largest in the control group (388.18 mm2), not a significant difference (P =0.190). The denuded area was smaller in Group 1 (84.57 mm2) and Group 2 (82.50 mm2) compared with the control group (195.93 mm2), not statistically significant differences (P =0.066, 0.062). The difference between Group 3 and control was also not statistically significant (P =0.136). In histologic analysis, the experimental groups re-epithelialized more than control groups. No evidence was found of severe inflammation. CONCLUSION: The healing of burn wounds was faster with silk weave textile more than the control group. There was no atypical inflammation with silk dressing materials. In conclusion, silk dressing materials could be used to treat burn wounds.
Anesthesia ; Animals ; Bandages* ; Burns* ; Inflammation ; Models, Animal* ; Rats ; Silk* ; Textiles ; Wound Healing ; Wounds and Injuries*

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Orthognathic surgery and temporomandibular joint symptoms.

Hwi Dong JUNG ; Sang Yoon KIM ; Hyung Sik PARK ; Young Soo JUNG

Maxillofacial Plastic and Reconstructive Surgery.2015;37(5):14-. doi:10.1186/s40902-015-0014-4

The aim of this article is to review temporomandibular joint symptoms as well as the effects of orthognathic surgery(OGS) on temporomandibular joint(TMJ). The causes of temporomandibular joint disease(TMD) are multifactorial, and the symptoms of TMD manifest as a limited range of motion of mandible, pain in masticatory muscles and TMJ, Joint noise (clicking, popping, or crepitus), myofascial pain, and other functional limitations. Treatment must be started based on the proper diagnosis, and almost symptoms could be subsided by reversible options. Minimally invasive options and open arthroplasty are also available following reversible treatment when indicated. TMD manifesting in a variety of symptoms, also can apply abnormal stress to mandibular condyles and affect its growth pattern of mandible. Thus, adaptive developmental changes on mandibular condyles and post-developmental degenerative changes of mandibular condyles can create alteration on facial skeleton and occlusion. The changes of facial skeleton in DFD patients following OGS have an impact on TMJ, masticatory musculature, and surrounding soft tissues, and the changes of TMJ symptoms. Maxillofacial surgeons must remind that any surgical procedures involving mandibular osteotomy can directly affect TMJ symptoms, thus pre-existing TMJ symptoms and diagnoses should be considered prior to treatment planning and OGS.
Arthroplasty ; Diagnosis ; Humans ; Joints ; Mandible ; Mandibular Condyle ; Mandibular Osteotomy ; Masticatory Muscles ; Noise ; Orthognathic Surgery* ; Range of Motion, Articular ; Skeleton ; Temporomandibular Joint*

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