• Title/Summary/Keyword: hard palate

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A Case of Schwannoma Arising in Hard Palate (경구개에 발생한 신경초종 1예 및 문헌고찰)

  • Kim, Jeong Tae;Kim, Jae Wook
    • Korean Journal of Head & Neck Oncology
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    • v.32 no.2
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    • pp.65-68
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    • 2016
  • 신경초종은 천천히 자라는 양성종양으로 뇌신경, 말초신경, 또는 자율신경 등 신경초세포(Schwann cells)를 포함한 신경 어디에나 발생할 수 있다. 대부분의 신경초종은 무증상이며, 악성화되는 경우는 드물다. 전체 신경초종 중 약 25%에서 45%가 두경부 영역에서 발생하지만 구강 내 발생하는 경우는 거의 없는 것으로 알려져 있다. 구강 내 신경초종의 대부분은 설부에서 발생하며 그 외 발생하는 부위로 협부점막, 구개, 구강저, 잇몸, 입술 등이 있다. 본 저자들은 최근에 경구개에 발생한 신경초종 1예를 경험하였으며, 이를 관련문헌 고찰과 더불어 보고하는 바이다.

Adjunctive buccal and palatal corticotomy for adult maxillary expansion in an animal model

  • Le, My Huy Thuc;Lau, Seng Fong;Ibrahim, Norliza;Hayaty, Abu Kasim Noor;Radzi, Zamri Bin
    • The korean journal of orthodontics
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    • v.48 no.2
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    • pp.98-106
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    • 2018
  • Objective: This study aimed to explore the usefulness of adjunctive buccal and palatal corticotomy for adult maxillary expansion in an animal model using cone-beam computed tomography (CBCT). Methods: Twelve adult sheep were randomly divided into two groups (each n = 6): a control group, where no treatment was administered, and a treatment group, where buccal and palatal corticotomy-assisted maxillary expansion was performed. CBCT scans were taken before (T1) and after (T2) treatment. Differences in all transverse dental and alveolar dimensions, alveolar width at crest level, hard palate level, horizontal bone loss, interdental cusp width and inter-root apex were assessed using Wilcoxon signed-rank and Mann-Whitney U-tests. Kruskal-Wallis tests and pairwise comparisons were used to detect the significance of differences among the inter-premolar and inter-molar widths. Results: CBCT data revealed significant changes in all transverse dental and alveolar dimensions. The mean interpremolar alveolar width showed an increase of 2.29 to 3.62 mm at the hard palate level, 3.89 to 4.38 mm at the alveolar crest level, and 9.17 to 10.42 mm at the buccal cusp level. Dental changes in the vertical dimension were not significant. Conclusions: Our findings based on an adult animal model suggest that adjunctive buccal and palatal corticotomy can allow for both skeletal and dental expansion, with the amount of dental expansion exceeding that of skeletal expansion at alveolar crest and hard palate levels by two and three folds, respectively. Therefore, this treatment modality is potential to enhance the outcomes of maxillary expansion in adults.

Distraction Osteogenesis of Maxillary Anterior Segment in Cleft Lip and Palate Patients (구순구개열 환자에서 상악전방골 신장술)

  • Kim, Eu-Gene;Cheon, Kang-Yong;Kim, Soo-Ho;Park, Hyong-Wook;Hwang, Soon-Jung
    • Korean Journal of Cleft Lip And Palate
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    • v.15 no.2
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    • pp.89-96
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    • 2012
  • Le Fort 1 osteotomy or maxillary advancement with distraction osteogenesis (DO) is main treatment strategy for cleft palate patients with maxillary hypoplasia. Maxillary DO allows greater maxillary advancement within physiological limit than Le Fort 1 osteotomy. Moreover, it is better for velopharyngeal function. However, there is a greater tendency for an increase in nasal sound when maxilla is advanced excessively. Therefore, the advancement of anterior maxillary segment using DO has been utilized. It offers advantages such as an increase in the length of the palate, a prevention of the change in palatopharyngeal depth, and a preservation of the velopharyngeal function. Moreover, it will obliterate the necessity of bone graft, and it prevents the occurrence of oronasal or oroantral fistula. Finally, it stimulates the regeneration of the soft and hard tissue of alveolus, and subsequently makes possible to place implant.

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Palliative Surgery in Two Dogs with Non-Curative Palatal Tumors (두 마리 개에서 완치가 어려운 구개 종양의 완화 수술 적용 증례)

  • Yoon, Hun-Young;Lee, Jung-Ha;Shin, Dong-Wook;Park, Hee-Myung;Jeong, Soon-Wuk
    • Journal of Veterinary Clinics
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    • v.31 no.5
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    • pp.425-429
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    • 2014
  • Two dogs were presented with a history of anorexia, respiratory distress, or epistaxis. On physical examination, the dogs showed difficulty breathing and open-mouth breathing and large masses were found on the hard palate and soft palate. Cardiac arrest happened in case 2 and the dog was stabilized with cardiopulmonary resuscitation and oxygen therapy. Computed tomography demonstrated that the mass occupied the oropharynx, intrapharyngeal ostium, and laryngopharynx including the hard palate and soft palate in case 1. Palliative surgery was decided to improve swallowing and breathing with owner's consent in two dogs. Buccal mucosal flaps were performed for reconstruction of defects using rotational and single-pedicle advancement flaps and bilateral 90 degree transposition flaps in cases 1 and 2, respectively. Histopathology results described the oral masses as amelanotic melanoma in two dogs. The owners reported that there was normal swallowing and breathing at 7 days postoperatively in two dogs. In case 1, recurrent tumor was identified caudal to the hard palate 4 weeks after surgery. The owner did not allow further treatment and the dog became lost to follow-up at 2 months postoperatively. In case 2, there was no clinical or radiographic evidence of a local recurrence or distant metastasis at 3 weeks after surgery. The owner informed that the dog died suddenly with no signs of anything particularly wrong at 7 weeks after surgery.

A Study of Nasalance Change in Submucosal Type Cleft Palate Patients by Surgery (점막하 구개열 환자의 수술 전후 비음도 변화에 대한 연구)

  • Choi, Ju-Seok;Leem, Dae-Ho;Baek, Jin-A;Kim, Oh-Hwan;Kim, Hyun-Ki;Shin, Hyo-Keun
    • Korean Journal of Cleft Lip And Palate
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    • v.8 no.2
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    • pp.53-62
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    • 2005
  • Submucosal type cleft palate is a kind of cleft palate. A submucosal cleft may result in shortening of the anteroposterior dimension of the hard or soft palates or both. The increased distance along with the lack of muscle connection in the soft palate usually accounts for the lack of palatopharyngeal function in patients with submucosal cleft. Resonance disorders which is found in cleft patients show hypernasality or hyponasality. Many cases of submucosal type cleft palate patients visit our clinics due to hypernasality. In this study, resonance disorders was evaluated through nasalance test. Experimental group was composed of submucosal type cleft palate patients. The patients were treated by a so-called combined therapy, i.e., operation and speech training. To observe the changing pattern by surgery, nasalance test was carried out one time before surgery and three times after surgery. Nasometer II was used as a examination. The questionaire was filled with single vowels & diphthongs. The mean nasalance score of the child was significantly lower than that of the adult at every vowel. An early age at operation (under 10 years) was that a better functional result was achieved with patients. The mean nasalance score of /i/ was highest and that of /a/ was the lowest. The result of corrective surgery in selected cases has achieved improvement in all cases. Hypernasality has been consistently diminished. he operation.

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Improvement of phonetic function using modified two-flap palatoplasty and velar myoplasty : Report of a case (변형 피판 구개성형술 및 구개내 근육성형술의 언어기능의 개선 : 증례보고)

  • Yi, Ho;Myoung, Hoon;Choi, Jin-Young;Lee, Jong-Ho;Choung, Pil-Hoon;Kim, Myung-Jin;Seo, Byoung-Moo
    • Korean Journal of Cleft Lip And Palate
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    • v.9 no.2
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    • pp.79-84
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    • 2006
  • Cleft palate is one of the most devastating congenital facial deformities frequently accompanied by cleft lip. In many cases, it causes phonetic and swallowing difficulties although surgical interventionwas applied. Among the surgical methods, Veau-Wardill-Kilner pushback palatoplasty (V-Y reposition) is widely used in the most cleft palate cases. It is designed to lengthen the palate posteriorly, hence to overcome the speech and swallowing problems, but broad postoperative palatal scar might interfere the normal maxillary growth. If the velar muscles were not reoriented, it could result in incomplete speech recovery. In this case report, the modified two-flap palatoplasty with minimal pushback was successfully applied to a 21 month-old girl who has had incomplete cleft palate extended to the posterior third of hard palate. The speech evaluation was confirmed as functional reconstruction of cleft palate was achieved.

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Dandy-Walker Syndrome with Submucous Cleft Palate: A Case Report (댄디워커증후군에 동반된 점막 밑 입천장갈림증 치험례)

  • Kwang, Bum Sik;Na, Young Cheon
    • Archives of Craniofacial Surgery
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    • v.13 no.1
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    • pp.54-56
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    • 2012
  • Purpose: Dandy-Walker syndrome is a rare congenital brain malformation that occurs one in every 25,000-35,000 live births, mostly in females. It is characterized by cystic enlargement of the fourth ventricle, agenesis or hypogenesis of the cerebellar vermis and enlargement of the posterior fossa. In this report, the authors aimed to address a rare case of a 14-months-old female Dandy-Walker syndrome patient that is presented with submucous cleft palate. Methods: A 14-months-old female patient admitted to our outpatient clinic, via the department of pediatrics, with the complaints of nasal regurgitation, choking and breathing difficulties. She was diagnosed as Dandy-Walker syndrome by magnetic resonance imaging evaluation, at another hospital and underwent a shunt operation for the hydrocephalus continuing treatments. On physical examination, she had structural abnormality of bifid uvula, and palpable notch in the posterior surface of the hard palate. Her submucous cleft palate was corrected, which used a double opposing Z-plasty under general anesthesia. Results: In a follow-up period of 2 months, no complications, such as wound dehiscence, necrosis and infection occurred, which shows satisfactory results. She consulted with pediatric neurologists and physical therapists for further evaluation and management of the abnormalities in the central nervous system. Conclusion: Dandy-Walker syndrome patient with a cleft palate is a very rare case to find, which only a few cases are reported around the world. Authors would like to share this case of Dandy-Walker syndrome patient, with submucous cleft palate, who underwent a double opposing Z-plasty that shows satisfactory results.

Palatoplasty with Reconstruction of Levator Sling (Preliminary Report) (근륜(Levator Sling)재건술식을 이용한 구개성형술 (일차보고))

  • Choi, See-Ho
    • Journal of Yeungnam Medical Science
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    • v.7 no.2
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    • pp.49-54
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    • 1990
  • Ten cleft palate patients were operated with reconstruction of levator sling without pushback for the purpose of not to make raw surface in the anterior portion of hard palate to prevent maxillary retrognathia. Speech was evaluated by using speech assessment list. Maxillary growth was not evaluated due to in-growing age in majority patient. The report will be followed in next chance. We could impose the significance in clinical application of levator sling palatoplasty without any complications but improving speech.

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Palatal Fistula of a Healthy Adult after an Infectious Disease: A Case Report (건강한 성인에서 감염성 질환 후 발생한 구개누공 치험례)

  • Choi, Hyun Nam;Park, Jin Hyung;Han, Yea Sik
    • Archives of Craniofacial Surgery
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    • v.13 no.1
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    • pp.80-83
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    • 2012
  • Purpose: In rare cases, infectious disease can become the cause of palatal fistula as it usually occurs in immunocompromised patients. We are reporting this case because we have successfully reconstructed palatal fistula occurring due to infectious disease in a healthy adult. Methods: A 62-year-old female patient had visited our hospital with a palatal hole that had occurred after suffering from a severe febrile disease. An oro-nasal fistula measuring $1.5{\times}1.3cm$ has been observed in the junction of the soft palate and hard palate, and is presumed to be caused by an infectious disease according to the patient's history. It was reconstructed using a hinge flap and a mucoperiosteal flap. Results: For 6 months, no recurrence or complications had been observed. The post operative patient was satisfied with the improvement in nasal speech and fluid regurgitation. Conclusion: We reported this case since we had obtained a functionally satisfactory result by reconstructing the palatal fistula due to infectious disease in a healthy adult.