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101건 · 최신순-
Immediate dental implants in jaw reconstructions show high accuracy with mean deviations under 2mm: A cohort study.
The "Jaw in a Day®" approach enables simultaneous functional and aesthetic mandibular reconstruction through immediate dental implant placement in osseous free flaps. This retrospective cohort study evaluated the accuracy of immediate denta…
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Minimally invasive transanal excision for rectal tumors: technical feasibility compared to conventional approach.
[PURPOSE] The technique for transanal resection of rectal tumors has evolved from conventional methods to minimally invasive approaches. However, the research comparing long-term results between these approaches is limited. [METHODS] Betwe…
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Comparison of Patient-Specific Plates and Pre-Bent Plates for Preserving Condylar Position in Mandible Reconstruction.
[OBJECTIVES] To compare the efficacy of patient-specific 3-dimensional (3D)-printed plates (PSP) and pre-bent universal reconstruction plates (PBP) in preserving the 3D position of the mandibular condyle and total operation time during mand…
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Time-dependent changes in flap-site pain compared with overall surgical pain after oral cancer resection and reconstruction: a retrospective study.
[BACKGROUND] Postoperative analgesia after oral cancer surgery with free-flap reconstruction is complex because pain arises at both donor and recipient sites and likely varies by flap type. Evidence of flap-specific, time-resolved pain and …
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Recommendations on Ultrasound-Guided Hyaluronic Acid Soft Tissue Augmentation of the Upper Face in Asians.
[BACKGROUND] Ultrasonography allows real-time imaging of facial soft tissue during hyaluronic acid (HA) filler injections. However, there is currently limited guidance relating to ultrasound-guided HA filler placement in the upper face. [A…
- Temporal Fat Pad Filler Injection for Lifting Purposes: Shifting of the Superficial Layer of Deep Temporal Fascia.
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Topographic Analysis of the Periorbital Region Including Orbicularis Oculi Muscle Based on Ultrasonography Interpretation.
[OBJECTIVE] Ultrasonographic examination is easy, fast, safe, and used in various fields; however, its application to the facial area has been limited. Complex anatomical structures are mixed within thin, soft tissues in the facial region; …
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Sonoanatomy of the Nasal Ala for Botulinum Neurotoxin Injection.
[BACKGROUND] The nasal ala region significantly affects facial aesthetics and function. Botulinum toxin injections may enhance nasal appearance, but their precise impact on underlying muscles remains unexplored. Understanding the muscular a…
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Is There a Correlation Between Masticatory Muscle Thickness and Pain After Botulinum Toxin Injections in Myogenic TMD Patients?: A Pilot Study.
Botulinum toxin type A (BoNT-A), a potent neurotoxin, is increasingly used to treat myogenic temporomandibular disorders (TMDs); however, the interplay between muscle atrophy and pain relief remains incompletely understood. This pilot study…
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Positional Relationship Between the Orbicularis Oculi and Zygomaticus Complex Muscles by Ultrasonography: New Anatomical Insights for Crow's Feet Injection.
The orbicularis oculi muscle (OOc) is strongly associated with facial aging as its contraction causes the formation of crow's feet. Botulinum neurotoxin (BoNT) injection is a representative treatment targeting muscle. The aim of this study …
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Integrating motion capture technology and intraoral ultrasonography for 3D anatomical analysis.
The inherent two-dimensional (2D) nature of ultrasonography (US) limits its accuracy in visualizing complex intraoral structures. This proof-of-concept feasibility study introduces a novel approach integrating motion-capture technology and …
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Anatomical etiology of bunny lines based on cadaveric dissection and ultrasonographic evaluation.
Bunny lines are vertical and diagonal wrinkles attributed to contractions of the nasalis muscle. Common management involves botulinum toxin (BoNT) injections into wrinkles immediately below the nasal bridge. Here, we investigated the anatom…
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Is immediate dental implant in fibula free flap beneficial for implant survival and osteoradionecrosis in jaw reconstruction?
[OBJECTIVES] This study aimed to compare the risk of osteoradionecrosis and implant survival in oral cancer patients undergoing immediate dental implants during jaw reconstruction, termed "Jaw in a Day" (JIAD), with those receiving no impla…
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Application of Mesenchymal Stem Cell-Derived Schwann Cell-like Cells Spared Neuromuscular Junctions and Enhanced Functional Recovery After Peripheral Nerve Injury.
In general, the nerve cells of the peripheral nervous system regenerate normally within a certain period after the physical damage of their axon. However, when peripheral nerves are transected by trauma or tissue extraction for cancer treat…
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Do repetitive botulinum neurotoxin injections induce muscle fibrosis? Sonographic observation of the masseter muscle.
[OBJECTIVE] In the esthetic field, the masseter muscle is commonly targeted by botulinum neurotoxin for facial contouring. However, multiple botulinum neurotoxin injections have been reported to cause muscle fibrosis. Ultrasonography can be…
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Sonographic observation of the paradoxical masseteric bulging and clinical implication of functional compartment.
Masseter are commonly botulinum neurotoxin targeted muscle for facial contouring in aesthetic field. However, paradoxical masseteric bulging is common adverse effect that has not been discussed with ultrasonographic observations. Retrospect…
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Ultrasonographic Study of the Submandibular Gland for Botulinum Neurotoxin Injection.
[BACKGROUND] Hypertrophied submandibular glands provide a bulky contour to the lower face. Botulinum neurotoxin injection methods are commonly used for facial contouring; however, no studies have suggested injection points because of the la…
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Does injecting small amounts of fillers prevent the development of secondary blindness?
[INTRODUCTION] Inadvertent entry of filler products into the supratrochlear, supraorbital, or dorsal nasal arteries, among other branches of the ophthalmic artery, might result in an immediate and devastating loss of vision. We wanted to ex…
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Self-crossing hyaluronic acid filler with combination use of polydioxanone thread in minipig model.
[INTRODUCTION] The advances of self-crossing hyaluronic acid (SC-HA) fillers combination use with polydioxanone thread in minipigs were examined for compatibility, effectiveness, and immune response. [MATERIALS AND METHODS] A 12-week exper…
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Anatomical Considerations for the Injection of Botulinum Neurotoxin in Shoulder and Arm Contouring.
The utilization of botulinum neurotoxin in the field of body contouring is on the rise. Body contouring procedures typically focus on specific muscle groups such as the superior trapezius, deltoid, and lateral head of the triceps brachii. T…
- Glabellar dynamics decoded to refine precision in botulinum toxin treatment.
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Sihler's staining of the anterior belly of digastric muscle for botulinum toxin injection.
[PURPOSE] The anterior belly of the digastric muscle (ABDM) is the target of botulinum toxin injection; however, anatomical considerations related to the injection point are absent. This study used Sihler's staining to analyze the intramusc…
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Comparison between botulinum toxin type A injection on masseter muscle only and additional injection on anterior belly of digastric muscle in sleep bruxism patients: A clinical trial.
[OBJECTIVE] This study aims to evaluate the effects on bite force and muscle thickness of the botulinum toxin (BoNT) injection for patients with sleep bruxism (SB) by comparing injections into the masseter muscle only and both the masseter …
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A Deep Learning Model to Predict Breast Implant Texture Types Using Ultrasonography Images: Feasibility Development Study.
[BACKGROUND] Breast implants, including textured variants, have been widely used in aesthetic and reconstructive mammoplasty. However, the textured type, which is one of the shell texture types of breast implants, has been identified as a p…
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Facial Trauma Affects the Radiological Diagnosis of Nasal Bone Fractures.
[OBJECTIVES] Timely and accurate diagnosis of nasal bone fractures (NBFs) is crucial for preserving the cosmetic and functional aspects of the nose. This study aims to identify factors influencing radiographic and computed tomography (CT) d…
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Comparing Free-Flap Reconstruction After Robot-Assisted Neck Dissection via a Retroauricular Approach and a Traditional Transcervical Approach: Single-Surgeon Experiences of 90 Consecutive Cases.
[BACKGROUND] Predominant traditional approaches for most patients who have advanced-stage oral cancer with transcervical incision lines left irreversible scars. To address this, surgeons have continuously refined minimally invasive surgery …
- ASO Author Reflections: Single Surgeon Experiences of Free-Flap Reconstruction After Robot-Assisted Neck Dissection via the Retroauricular Approach: 90 Consecutive Cases.
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Perforators Detected in Computed Tomography Angiography for Anterolateral Thigh Free Flap: Am I the Only One Who Feels Inaccurate?
[BACKGROUND] The number, location, and pattern of perforators in anterolateral thigh(ALT) flap vary and predicting them preoperatively will aid in reconstructing complex head and neck defects. This article suggests guidelines for utilizing …
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Robot-assisted radial forearm free flap harvesting: a propensity score-matched case-control study.
Although some surgeons prefer anterolateral thigh and latissimus dorsi flap for soft tissue reconstruction in the head and neck area because it minimizes donor site complications, the radial forearm flap remains the workhorse for soft tissu…
- Comparative study of the penetration force between the superficial and deep temporal fascia for easier temple augmentation technique using hyaluronic acid filler.