• Korean Journal of Cleft Lip And Palate
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• v.10 no.1
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• pp.57-65
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• 2007

It is well known that the main factor which contributes to the relapse of orthognathic surgery for Cleft Lip and Palate (CLP) patients is post-operative scar on hard and soft palate of maxilla. Therefore, to compensate the amount of relapse, though it cannot be the perfect way to prevent orthodontic, orthopedic relapse, the Le-fort I osteotomy of maxilla and set-back osteotomy of mandible are generally carried-out simultaneously. We are to review the factors contribute to the relapse of CLP patients after orthognathic surgery through this clinical case : The relapse of Skeletal Class III tendency immediately after orthognathic surgery for grown up CLP patients.

• Proceedings of The Korean Cleft Lip And Palate Association
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• 1998.06a
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• pp.38-38
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• 1998

• Korean Journal of Veterinary Research
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• v.48 no.3
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• pp.369-374
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• 2008

A neutered male, 8-year-old, Pekingese, weighing 4.3 kg with a history of anorexia, sneezing, nasal discharge, and epistaxis for one month was referred. Soft tissue swelling around the nasal bone and small defects of the hard palate with a tiny round dark red mass were found on physical examination. The laboratory tests represented mild leukocytosis. On skull radiographs, soft tissue swelling and osteolytic change of the incisor bone, nasal bone, and maxilla were found. On computed tomography scan images, there was soft tissue attenuating opacity with calcified spots in the bilateral nasal cavities and frontal sinuses. Loss of nasal turbinate pattern and nasal septum was found. And destruction of the insicor bone, nasal bone, maxilla, hard palate, perpendicular palatine bone, and cribriform plate were identified. Nasal malignant melanoma was confirmed by nasal biopsy.

• Imaging Science in Dentistry
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• v.38 no.4
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• pp.209-213
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• 2008

Purpose : To evaluate the relative diagnostic accuracy of panoramic radiography and Water's projection in maxillary sinus inflammatory diseases by comparing the radiodensities of the images with those of CT. Materials and Methods : Panoramic radiographs, Waters' projection, and CT images from 55 subjects (11O sinuses) were included in this retrospective study. The radiodensity of each maxillary sinus in panoramic radiography was recorded separately as upper and lower divided horizontally by hard palate. In Waters' projection, the overall sinus radiodensity was recorded. The CT images were considered as gold standard. Results : In panoramic radiography, 83 sinuses had same upper and lower radiodensity and 72 of these were consistent with those of CT, 26 sinuses had different upper and lower radiodensity and 15 of these, upper radiodensity was consistent with CT, the remaining 11, lower radiodensity was consistent with CT. One sinus had upper radiolucency with lower radiopacity and both were consistent with those of CT. Altogether 73 (66.4%) among 110 sinuses in panoramic radiography showed full agreement with CT, 26 (23.6%) showed partial agreement with CT. 9 sinuses had no lower image under the hard palate in panoramic radiography due to the smaller size of sinus. In Waters' projection, the radiodensity of 105 sinuses (95.5%) were consistent with that of CT. Conclusion : The panoramic radiography showed 90.0% of the sinus conditions fully or partially which may appear less accurate than that of Water's view (95.5%) but with more detailed information of the inferior part of sinuses. (Korean J Oral Maxillofac Radiol 2008; 38 : 209-13)

• Korean Journal of Cleft Lip And Palate
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• v.12 no.1
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• pp.21-32
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• 2009

Generally, an adult cleft lip or/and palate patient shows some amount of maxillary deficiency due to limitation of bony growth caused by heavy scars resulted from previous operations such as a cheiloplasty and/or a palatoplasty at an early child age. To solve the problem, advancement of the maxilla is usually required during orthognathic surgery. However, severe tensional force resulted from heavy scars on the palate and/or the lip, as well as the bony defect at the cleft area limited sufficient advancement of the maxillary segment and finally caused relapse of the reposed maxilla. Therefore, distraction osteogenesis of the maxilla was introduced for the successful maxillary advancement inthose kinds of patients. As both hard and soft tissues can be simultaneously and gradually extended with this technique, tensional force caused by heavy scars opposed to forward movement of the maxilla can be reduced to an extent not to develop severe relapse of the advanced maxilla. Since distraction osteogenesis of the maxilla was applied as one of standard protocols for the treatment of the patients with severe maxillary hypoplasia dueto cleft lip and/or palate, the devices for the distraction was improved to control the vectors of distraction with better and more stable. We have treated a 23-year-old male cleft patient with a severe maxillary hypoplasia using a newly developed a maxillary distraction device and a RP model for a pre-operative simulation surgery. As a result, we could successfully move the maxilla as we designed pre-operatively and also reduce much of operation time. Therefore, we report of the case to share our experience with colleagues.

• Maxillofacial Plastic and Reconstructive Surgery
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• v.31 no.5
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• pp.381-385
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• 2009

Objective : The objective of this study was to compare the surgical techniques for the correction of congenital cleft palate. Techniques and approaches : Four-hundred-sixity patients operated between 1993 and 2008 were included in this study. The collected data were age, sex, operating time, admission days, and complications. The comparison between techniques were done by independent t-test. Results: The majority (86.9 %) of patients were received the operation later than 1.5 years old. The distribution of each surgical technique was 43.8 % by Bardach palatoplasty, 11.9 % by Furlow palatoplasty, 1.8 % by Veau palatoplasty, and 42.4 % by the new technique developed by us. Postoperative complication such as wound dehiscence, formation of oro-nasal fistulas in the soft and hard palates were shown in 23.0 % of Bardach technique, 44.2 % of Furlow technique, and 37.5 % of Veau technique. However, only 5.4 % of patients were shown complications in our technique (P<0.001). The operation time was recorded 70 minutes under new technique while the others were 110 minutes (P<0.001). The clinical treatment at hospital was required 7.4 days for our technique and 11.3-15.5 days for the other methods. Conclusion : The surgical treatment of congenital cleft palate in Mongolia was conducted later than proper timing for surgery. As the results were indicated, our new technique should be considered for the correction of cleft palate in old aged patients.

• Journal of Korean Academy of Oral and Maxillofacial Radiology
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• v.22 no.2
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• pp.375-385
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• 1992

This is a report of adenoid cystic carcinoma occurred in the palate in 30-year-old patient with a complaint of exophytic mass. The authors diagnosed it as adenoid cystic carcinoma by the clinical examination, radiographic findings and histopathological findings. The obtained results are as follows: 1. In clinical examination, asymptomatic exophytic mass of palate was observed. 2. In radiographic findings, soft tissue mass infiltrated the left maxillary sinus, nasal cavity, infraorbital fossa, hard palate, pterygopalatine fossa and pterygoid plate, and enhanced soft tissue mass was also observed in CT. 3. In histopathological findings, tubular and solid patterns of glandular structures were observed and the infiltration of tumor cells into the nerve fibers was also observed. 4. Two years after radical surgery, radiation therapy and chemotherapy, the perineural spread to orbital area was observed. 5. Much longer follow-up than 5 years is needed for early diagnosis of recurrence and distant metastasis.

• Korean Journal of Cleft Lip And Palate
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• v.6 no.1
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• pp.35-42
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• 2003

PAP (Palatal Augmentation Prosthesis) may be given to the patients with dysphagia; especially, who cannot achieve tongue-palate contact. PAP fills hard palate area where the tongue cannot make contact and then the distance of tongue elevation is shortened. 1bat may be expected to improve swallowing and to prevent from aspiration. The purpose of this report is to show the effects of PAP in patients with dysphagia through the videofluoroscopic study. Oral-pharyngeal swallowing post PAP is analyzed in 2 cases; one is a person who had subarachnoid hemorrhage due to aneurysmal rupture, right hemiparesis, hydrocephalus and aphamia. And the other is a person who had squamous cell carcinoma on mouth floor and he had radical neck dissection and marginal mandibulectomy. In this report, the rate of aspiration, the transit time and length measurements of anatomical structure are examined in the each frame of videofluoroscopy. The results are as follows; 1) PAP decreased the aspiration in both cases. 2) In the cases of patients with PAP, the pharyngeal transit time was decreased.

• Korean Journal of Cleft Lip And Palate
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• v.11 no.1
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• pp.23-30
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• 2008

From 2001 year, our department has been participated medical charity for cleft lip and palate patients with Japanese team, on general hospital of Quang Nam Province in Tamky, Vietnam. Also we started medical service with student volunteer in Hue University Hospital, sisterhood relationship with Chonbuk National University, from 2006. The central area of Vietnam is a hard fought-field during the Vietnam war, many chemical weapons (defoliant etc.) were used during war. As the mountain region lose currency, this area was still retarded. We would like to introduce the medical charity service of our department and the classification of operated patients and performed operation.

• The Journal of the Korean dental association
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• v.11 no.12
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• pp.783-786
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• 1973

The healing response may very with the tissue, the site and the degree of wound. the author observed histochemically the epithelial regeneration in the har palate wound of healthy male albino rats, varying in age from 120 to 150 days, and weighing about 100 gm. The deep wounds were made antero-posterior linealy by surgical knife to the depth of bone level. They were sacrified by ether anesthesia on 1, 2, 4, 7, 10 and 14 days after wounding. the staining methods used were Mcmanus' PAS reaction, Mowry's modification of the Hale reaction employing Muller's colloidal iron reagent, alloxan-Schiff reaction and hematoxylin-eosin stain. The results were as follows : 1. In the wound healing of hard palate, the epithelium had marked PAS positive reaction in the granular and the prickle cell layers on the from 2nd to 7th day. 2. Alloxan-Schiff reactions of regenerated epithelium were slightly increased on 7th day.