• Title/Summary/Keyword: Anterior protrusion

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A CASE REPORT OF ORTHODONTIC TREATMENT OF BIMAXILLARY DENTAL PROGNATHISM (양악치성전돌증의 교정치험예)

  • Sung, Jae-Hyun
    • The Journal of the Korean dental association
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    • v.16 no.5 s.108
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    • pp.395-399
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    • 1978
  • The patient, 21 years and 3 months female, complained of protrusion of lower face. There was severe procumbency of upper & lower anterior teeth. Cephalometric analysis revealed that the anteroposterior jaw relationship was normal, but the teeth was foreward on their respective basal bones, so diagnosed as bimaxillary dental prognathism. The patient underwent extraction of four Ist premolar and was treated with multibanded & direct bonding system. After 14 months, She gained good interdigitation of buccal segment and attractive facial profile.

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The Effect of Dental Protrusion on the Width of Attached Gingiva (치아돌출이 부착치은 폭경에 미치는 영향)

  • Hwang, Hyeon-Shik;Kim, Jong-Chul;Kim, Jeong-Moon
    • The korean journal of orthodontics
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    • v.28 no.1 s.66
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    • pp.135-142
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    • 1998
  • The purpose of the present study was to evaluate the effect of incisor protrusion on the mucogingival parameters including the width of attached gingiva. Thirty-seven young adults with lower anterior crowding were selected for this study. From the study model, the degrees of relative and absolute protrusions were measured for each lower incisor. Clinical non height, the width of keratinized gingiva, probing depth and the width of attached gingiva were measured with digital vernier calipers and Florida Probe System. Through comparing the difference of the above measurements between protruded and non-protruded incisors, and correlation analysis between each measurement, following results were obtained: 1. The protruded incisor showed narrow width of keratinized and attached gingiva comparing to non-protruded incisor. 2. The protruded incisor showed greater clinical crown height comparing to non-protruded side while there was no difference in the probing depth between protruded and non-protruded side. 3. The difference in the width of attached gingiva between protruded and non-protruded incisors showed higher significance in the lateral incisor than in the central incisor. 4. The degree of relative protrusion showed higher correlation with the width of attached gingiva than the degree of absolute protrusion. 5. Clinical crown height showed higher correlation with the width of attached gingiva than the degree of protrusion.

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COMPARATIVE STUDY OF EFFECT OF STABILIZATION SPLINT AND ANTERIOR REPOSITIONING SPLINTS FOR CLICKING SOUND (OCCLUSAL REPOSITIONING SPLINT에 의한 악관절음(顎關節音)의 치료(治療)에 관한 비교연구(比較硏究))

  • Hong, Joon-Pow;Woo, Yi-Hyung;Choi, Dae-Gyun;Choi, Boo-Byung
    • The Journal of Korean Academy of Prosthodontics
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    • v.24 no.1
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    • pp.141-150
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    • 1986
  • This study conducted 2 types of occlusal splint therapy to eliminate clicking sound. 15 patients who had clicking on their joints were selected, and divided, at random, into 3 groups. In the first group, 4 persons put on stabilization splint and in the second group, 6 persons put on anterior repositioning splint which had made condyle to protrude 3mm, and in the last group, 5 persons put on anterior repositioning splint which had made condyle to protrude 6mm. Patients who wore anterior repositioning splint were instructed to use the splint for all days. The evaluation of clicking was measured by occlusal soundscope. The clicking was converted to aucostic signal by the attached microphone, instead of vibrating sensor The in-put aucostic signal on the occlusal soundscope made it possible to observe the experiment's result. Anterior repositioning splint was produced in the centric occlusion state, when the model was mounted to articulator and inserted two pieces of 3mm and 6mm resin blocks each into the rear wall of articulator fossa. The observation of the patients who wore three different splints for 3 weeks has reached the following conclusions: 1. Stabilization splint produced no effect in eliminating the clicking sound. 2. Anterior repositioning splint therapy with 3mm condylar protrusion produced significant improvement in eliminating the clicking sound. 3. The 6mm protruded anterior repositioning splint caused pain on affected TMJ area as well as the clicking on unaffected joint.

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A CASE REPORT OF ORTHODONTIC TREATMENT FOR ADULT PATIENT WITH UPPER PROGNATHISM (상악 전돌증 성인의 교정치험 일례)

  • Yang, Won Sik;Kim, Jong Tae;Kim, Yung Bok
    • The korean journal of orthodontics
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    • v.7 no.1
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    • pp.23-29
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    • 1977
  • A 23 year-old female with skeleto-dentoalveolar protrusion of maxilla, minor broken contact points between anterior teeth, and missing of lower 1st molars, has been treated with multibanded edgewise technique. After treatment of 14 months, she has gained functional overbite-overjet relationship and facial harmony due to the retraction of upper anterior teeth. Root resorption was slight. Especially, us ing the space of missed lower 1st molars instead of extracting lower premolars, expected and favorable results were obtained.

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Surgical Treatment of the Morgagni Hernia: report of one case (Morgagni 탈장증 수술 1예)

  • 김송명
    • Journal of Chest Surgery
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    • v.12 no.4
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    • pp.429-433
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    • 1979
  • Morgagni hernia is a rare condition of the congenital diaphragmatic hernia which Is located at the anteromedial portion of the diaphragm, and is located immediately posterior to the sternum. Its cause is considered by embryologic defect and the abdominal organs are passed through a defect. The incidence is predirected women over 50 years old. Its synonym is hernia of subcostosternal, retrosternal, parasternal, rectocostoxiphoid, anterior diaphragmatic or Larrey`s. This report presents a symptomatic Morgagni hernia of ten months old male child on whom the diagnosis was established and was operated at the Busan Gospel Hospital. This patient was admitted with the chief complaints of mild cyanosis, frequent upper respiratory infections and protrusion of the right lower anterior chest. Herniorrhaphy was performed through the upper abdominal midline incision, hernial contents of the omentum and the colon, and sac as noticed from the Larrey`s space measuring 4 x 2 cm. in diameter and oval in shape. Interrupted sutures without difficulty repaired the defect. The cyanosis was disappeared and the patient had uneventful course of post-operative period. The patient was discharged at 7th. postoperative day. This case presentation with a brief review of literatures is given.

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A Case of Thyroglossal Duct Cyst Presenting as Thyroid Cyst (갑상선 낭종으로 오인된 갑상설관 낭종 1예)

  • Park, Yoon-Ah;Choi, Hong-Shik;Lee, Ja-Hyun
    • Korean Journal of Head & Neck Oncology
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    • v.27 no.2
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    • pp.234-236
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    • 2011
  • Thyroglossal duct cyst is the most common congenital neck mass. It develops from remnants of precursors of thyroid gland left behind during embryologic descent form the foramen cecum at the tongue base into the anterior neck during fetal development. An anterior midline neck mass presenting before the age of twenty and displaying vertical movement with tongue protrusion and swallowing is characteristic of this lesion. In this paper, we report on a case of TGDC without remnant duct that is presenting as thyroid cyst.

Effects of malocclusion on the self-esteem of female university students (부정교합이 성인 여자대학생의 자존감에 미치는 영향)

  • Jung, Min-Ho;Heo, Wook;Baek, Seung-Hak
    • The korean journal of orthodontics
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    • v.38 no.6
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    • pp.388-396
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    • 2008
  • Objective: The purpose of this study was to evaluate the effects of malocclusion on the self-esteem of female university students. Methods: The subjects were composed of 67 female university students who showed Class 1 molar relation, no missing or supernumerary teeth and has had no orthodontic treatment experience. Each subject was evaluated with Rosenberg's Self-esteem Scale to measure the level of self-esteem and also evaluated the degree of anterior crowding and lip protrusion through model analysis and cephalometric soft tissue profile analysis. Results: The results showed that a protrusive profile and crowding of upper anterior teeth had significant reducing effects on the level of self-esteem. The protrusion and crowding groups showed no significant differences in self-esteem between groups. Conclusions: Malocclusion had significant negative effects on the self-esteem of female university students. Further research to investigate the negative psychological influence of malocclusion and the education of lay people about this influence is necessary.

Radiographic Evaluation on the Forefoot: Based on the Two Different Data (1982 and 2004) (전족부의 방사선학적 관찰: 1982년과 2004년의 차이를 중심으로)

  • Rowe, Sung-Man;Lee, Keun-Bae;Park, Yu-Bok;Kim, Byung-Soo;Kim, Yung-Jin
    • Journal of Korean Foot and Ankle Society
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    • v.9 no.1
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    • pp.1-8
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    • 2005
  • Purpose: We compared the bony arrangements of the forefoot in 2 different years, 1982 and 2004, to determine any changes with time period of 22 years. Materials and Methods: The radiographs of 200 normal Korean adults, 100 male and 100 female volunteers, were evaluated both in 1982 and 2004. The radiographic results were evaluated with as follows; hallux valgus angle (HVA), intermetatarsal angle (IMA), morphology of metatarsal head and relative anterior protrusion of the metatarsals and the phalanges. The mean ages were 38 years (23-52years) in 1982, and 37 years (24-50years) in 2004. Results: The mean of HVA decreased from 15.6 degrees in 1982 to 14.3 degrees in 2004 (p=0.047), and the mean of IMA increased from 8.0 degrees in 1982 to 9.4 degrees in 2004 (p=0.031). The morphology of metatarsal head and relative anterior protrusion of the metatarsals and the phalanges were not different between the two study years. Conclusion: Comparing with those of 1982 measurements, we found an increase of IMA and a decrease of HVA. A prospective study may be needed to illuminate course of the changes.

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Ulnar Nerve Injury Caused by the Incomplete Insertion of a Screw Head after Internal Fixation with Dual Locking Plates in AO/OTA Type C2 Distal Humerus Fractures

  • Shin, Jae-Hyuk;Kwon, Whan-Jin;Hyun, Yoon-Suk
    • Clinics in Shoulder and Elbow
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    • v.20 no.4
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    • pp.236-239
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    • 2017
  • After dual plating with a locking compression plate for comminuted intraarticular fractures of the distal humerus, the incidence of ulnar nerve injury after surgery has been reported to be up to 38%. This can be reduced by an anterior transposition of the ulnar nerve but some surgeons believe that extensive handling of the nerve with transposition can increase the risk of an ulnar nerve dysfunction. This paper reports ulnar nerve injuries caused by the incomplete insertion of a screw head in dual plating without an anterior ulnar nerve transposition for AO/OTA type C2 distal humerus fractures. When an anatomical locking plate is applied to a distal humeral fracture, locking screws around the ulnar nerve should be inserted fully without protrusion of the screw because an incompletely inserted screw can cause irritation or injury to the ulnar nerve because the screw head in the locking system usually has a slightly sharp edge because screw head has threads. If the change in insertion angle and resulting protruded head of the screw are unavoidable for firm fixation of fracture, the anterior transposition of the ulnar nerve is recommended over a soft tissue shield.

Accessory auricle: Classification according to location, protrusion pattern and body shape

  • Hwang, Jungil;Cho, Jaeyoung;Burm, Jin Sik
    • Archives of Plastic Surgery
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    • v.45 no.5
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    • pp.411-417
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    • 2018
  • Background Accessory auricles (AAs) are common congenital anomalies. We present a new classification according to location and shape, and propose a system for coding the classifications. Methods This study was conducted by reviewing the records of 502 patients who underwent surgery for AA. AAs were classified into three anatomical types: intraauricular, preauricular, and buccal. Intraauricular AAs were divided into three subtypes: intracrural, intratragal, and intralobal. Preauricular AAs were divided into five subtypes: precrural, superior pretragal, middle pretragal, inferior pretragal, and prelobal. Buccal AAs were divided into two subtypes: anterior buccal and posterior buccal. AAs were also classified according to their protrusion pattern above the surrounding surface: pedunculated, sessile, areolar, remnant, and depressed. Pedunculated and sessile AAs were subclassified as spherical, ovoid, lobed, and nodular, according to their body shape. Cartilage root presence and family history of AA were reviewed. A coding system for these classifications was also proposed. Results The total number of AAs in the 502 patients was 1,003. Among the locations, the superior pretragal subtype (27.6%) was the most common. Among the protrusion patterns and shapes, pedunculated ovoid AAs were the most common in the preauricular (27.8%) and buccal areas (28.0%), and sessile lobed AAs were the most common in the intraauricular area (48.7%). The proportion of AAs with a cartilage root was 78.4%, and 11% of patients had a family history. The most common type of preauricular AA was the superior pretragal pedunculated ovoid AA (13.2%) with a cartilage root. Conclusions This new system will serve as a guideline for classifying and coding AAs.