• 제목/요약/키워드: Soft-tissue

검색결과 3,073건 처리시간 0.026초

Compromised extraction sockets: a new classification and prevalence involving both soft and hard tissue loss

  • Kim, Jung-Ju;Amara, Heithem Ben;Chung, Inna;Koo, Ki-Tae
    • Journal of Periodontal and Implant Science
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    • 제51권2호
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    • pp.100-113
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    • 2021
  • Purpose: Previous studies have solely focused on fresh extraction sockets, whereas in clinical settings, alveolar sockets are commonly associated with chronic inflammation. Because the extent of tissue destruction varies depending on the origin and the severity of inflammation, infected alveolar sockets may display various configurations of their remaining soft and hard tissues following tooth extraction. The aim of this study was to classify infected alveolar sockets and to provide the appropriate treatment approaches. Methods: A proposed classification of extraction sockets with chronic inflammation was developed based upon the morphology of the bone defect and soft tissue at the time of tooth extraction. The prevalence of each type of the suggested classification was determined retrospectively in a cohort of patients who underwent, between 2011 and 2015, immediate bone grafting procedures (ridge preservation/augmentation) after tooth extractions at Seoul National University Dental Hospital. Results: The extraction sockets were classified into 5 types: type I, type II, type III, type IV (A & B), and type V. In this system, the severity of bone and soft tissue breakdown increases from type I to type V, while the reconstruction potential and treatment predictability decrease according to the same sequence of socket types. The retrospective screening of the included extraction sites revealed that most of the sockets assigned to ridge preservation displayed features of type IV (86.87%). Conclusions: The present article classified different types of commonly observed infected sockets based on diverse levels of ridge destruction. Type IV sockets, featuring an advanced breakdown of alveolar bone, appear to be more frequent than the other socket types.

Lipedema associated with Skin Hypoperfusion and Ulceration: Soft Tissue Debulking Improving Skin Perfusion

  • Feras Alshomer;Seok Joon Lee;Yeongsong Kim;Dae Won Hong;Changsik John Pak;Hyunsuk Peter Suh;Joon Pio Hong
    • Archives of Plastic Surgery
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    • 제51권3호
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    • pp.311-316
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    • 2024
  • Lipedema is a progressive connective tissue disease with enlargement of adipose tissue, fibrosis, fluid collection, and dermal thickening. Herein, we present a case of lipedema associated with skin hypoperfusion and ulceration in which soft tissue debulking with liposuction improved patients' symptoms. A 39-year-old female presented with asymmetric progressive initially unilateral lower limb swelling with severe pain with subsequent skin ulceration. Conservative management failed to improve her condition. After excluding other causes and detailed radiologic investigation, lipedema was diagnosed with an associated impaired skin perfusion. Trial of local wound care and compression therapy failed to improve the condition. Subsequent soft tissue debulking with circumferential liposuction and ulcer debridement and immediate compression showed dramatic improvement of the symptoms and skin perfusion. The unique nature of this case sheds light on lipedema as a loose connective tissue disease. Inflammation and microangiopathies explain the associated pain with hypoperfusion and ulceration being quite atypical and in part might be related to the large buildups of matrix proteins and sodium contents leading to fragility in microvessels with frequent petechiae and hematoma and subsequent tissue ischemia. Conservative measures like compression therapy plays a significant role in disease course. Surgical debulking with liposuction was shown to be efficacious in reducing the soft tissue load with improvement in limb pain, edema, circumference, and skin perfusion that was seen in our patient. Lipedema is a frequently misdiagnosed condition with disabling features. Skin involvement in lipedema with potential hypoperfusion was shown and it requires further investigation.

Dr. Cyriax의 Orthopaedic Medicine에 관한 연구 (A Study on Dr. Cyriax's Orthopaedic Medicine)

  • 구희서
    • 대한정형도수물리치료학회지
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    • 제1권1호
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    • pp.85-97
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    • 1995
  • Orthopaedic medicine was developed and published by James Cyriax, a British Orthopaedic Physician on 1929. Orthopaedic medicine is concerned with the diagnosis and treatment of soft tissue lesions. These disorders affect a substantial proportion of all patients in general and in particular, physiotherapy and sports clinics. In broad terms these disorders em trace conditions. such as arthritis. rheumatism. fibrositis. backache. lumbago, sciatica, frozen shoulder, tennis elbow, strained wrist, sprains, aches, inflanmation and sports injuries generally. The soft Moving tissues share one thing in common - they are all radiotranslucent and the tissues in question are the joint capsule, the ligaments, the fasciae, dural sheath. These structures can cause pain but none of them is visible on the radiograph. Dr. Cyriax divided all soft tissues into two basic types : 1) Contractile tissue, 2) Inert or noncontractile tissue. The mechanism of diagnosis is tension applied manually. The physician subjects each tissue about the incriminated joint to tension in turn which they call 'Selective tension' with Cyriax's assessment, a more definitive diagnosis can be obtained and proper treatment can be implemented.

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Palmar Hand Wound Coverage with the Free Flaps

  • Roh, Si Young;Lee, Kyung Jin;Lee, Dong Chul;Kim, Jin Soo;Yang, Jae-Won
    • Archives of Reconstructive Microsurgery
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    • 제23권2호
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    • pp.45-50
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    • 2014
  • Palmar soft tissue defects are best reconstructed using a replacement flap of proper size with adequate soft tissue stability for mechanical resistance as well as with protective sensation. Reconstructive approaches are dictated by injury mechanism, defect size and location, and the status of the wound bed and tendino-skeletal structure. While uninjured portions of the hand can be used as a source for local flaps, the use of free flaps allows for maximal access for selection of the most ideal replacement tissue for the defect to be restored as close to the initial state as possible. Here, we review the garden variety of free flaps used in reconstruction of palmar soft tissue defects.

초음파 의료영상에서 스페클의 시간적 밝기 변화를 이용한 연조직의 stiffness를 추정하는 방법에 대한 연구 (A Study on the Stiffness Estimation in Soft Tissue Using Speckle Brightness Variance Tracking)

  • 안동기;박정만;권성재;정목근
    • 대한의용생체공학회:의공학회지
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    • 제24권3호
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    • pp.141-149
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    • 2003
  • 본 논문에서는 초음파 의용 영상시스템의 B-모드 영상으로 잘 관찰되지 않는 암이나 종양을 진단하기 위하여 인체 연조직의 탄성계수를 측정하여 영상화하는 방법을 제안하였다. 연조직의 단단함을 측정하기 위하여 조직에 정현파 진동을 인가하고 연조직의 기계적인 진동의 크기를 초음파 영상의 스페클 밝기의 시간적 변화를 추정하여 구하였다. 제안한 방법은 B-모드 영상에서 비교적 적은 계산량으로 쉽게 조직의 단단함을 추정할 수 있음을 시뮬레이션과 실험으로 검증하였다

기계적 자극에 의한 구강내 반응성 증식 (Reactive Hyperplasia of Intraoral Soft Tissue by Mechanical Irritation)

  • 김지현;박준상;고명연
    • Journal of Oral Medicine and Pain
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    • 제26권2호
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    • pp.115-120
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    • 2001
  • Intraoral soft tissue can easily be injured by weak mechanical irritation. Each symptom by irritation is various, but most of patients show chronic inflammatory lesion. The fibroma is the most frequent disease found in intraoral area followed by pyogenic granuloma, epulis fissuratum, palatal papillomatosis, and epulis granulomatosum. The inflammatory hyperplasia by mechnical irritation is easily different from other disease, but this shows similar to several benign and malignant tumors required differential diagnosis. By microscopic feature, the lesions is divided by granulatory stage, mixed stage, and fibrotic tissue stage. The inflammatory hyperplasia is differently treated by each clinical features.: only removal of cause or, and excisional biopsy is/are required. This is the cases report of reactive hyperplasia of intraoral soft tissue by mechanical irritation that suggests various treatments of each cases.

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수종의 조직 양화재에서 탄성 변형과 복원에 관한 연구 (A STUDY ON THE VISCO-ELASTIC PROPERTIES OF FOUR CURRENTLY USED TISSUE CONDITIONERS)

  • 최성호;심준성;문홍석;정문규
    • 대한치과보철학회지
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    • 제41권1호
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    • pp.35-47
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    • 2003
  • The dimensional stability of tissue conditioners characterizes the ability of the materials to yield accurate functional impressions of oral mucosa. This study evaluated the viscoelastic property and the linear dimensional changes with the factor of time and thickness of tissue conditioners ($COE-COMFORT^{TM}$, Visco-gel. $COE-SOFT^{TM}$, Soft-Liner). The thickness of these materials were changed (1.5mm, 3.0mm) and the percentage changes in dimension were measured at 1h, 12h, 24h, 36h, 3day, 7day after specimen preparation. From the results large differences appear between the various tissue conditioners. The results suggest that the period recommended for forming functional impression would be 2-3days after insertion in the mouth. in addition. it is important to select tissue conditioners suitable for functional impression because of the wide range of dimensional stability among the materials.

Soft tissue volume changes following gingival grafting for labial gingival recession in the mandibular anterior area: a case report

  • Song, Young Woo;Jung, Ui-Won;Cha, Jae-Kook
    • 대한치과의사협회지
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    • 제58권1호
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    • pp.8-18
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    • 2019
  • This case report presents results for gingival recession coverage following gingival grafting and for gingival biotype enhancements by visualizing soft tissue volume changes using intraoral three-dimensional scanning. A 28 year old female patient with multiple gingival recessions and a 19 year old female patient with a single gingival recession on mandibular anterior area were treated. Root coverage was performed in both cases using autogenous subepithelial connective tissue harvested from palate. Intraoral 3D scan data were obatained presurgery and at 3 months, 1 year, and 2 years postsurgery. The recession areas were recovered successfully by subepithelial connective tissue graft combined with pedicle flap repositioning, and the patients showed neither further recurrence nor post-operative complication. Soft tissue biotype changes were identified by superimposing and analyzing scan data, revealing that gingival biotype was enhanced in both cases. These cases suggest that SCTG could be advantageous in terms of the gingival biotype enhancement, as well as gingival recession coverage, and intraoral 3D scanning might be suitable for assessing post-surgical gingival biotype change.

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꽈리연부육종의 세침흡인 세포소견 -1예 보고- (Fine Needle Aspiration Cytology of Alveolar Soft Part Sarcoma -A Case Report-)

  • 심영란;신덕섭;조길호;최준혁
    • 대한세포병리학회지
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    • 제17권1호
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    • pp.69-74
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    • 2006
  • Alveolar soft part sarcoma (ASPS) is a rare soft tissue sarcoma, which occurs predominantly in adolescents and young adults. The cytological characteristics of this condition have been described only rarely in the literature. Here, we report a case of alveolar soft part sarcoma. A 28-year-old man presented with a mass in his right buttock, which had persisted for three years. The mass was subjected to a fine needle aspiration cytology (FNAC). The smears were cellular. The observed tumor cells were round or polygonal, and exhibited vesicular nuclei with prominent nucleoli and finely granular cytoplasm. Naked nuclei were frequently detected. Tumor cells were arranged singularly, but occasionally in a pseudoalveolar pattern.