• #1-1. Filler Procedure Areas and Technical Development Process

    Best Lecture introduces famous lectures in dermatology and plastic surgery held in Korea. This will provide you with the opportunity to see distinguished lectures regardless of time and place. The lecturer of this lecture is Dr. Koh Iksoo, the most prominent expert in filler in Korea and the director of Petit Noble Aesthetic Clinic. This is the summary of his lecture at Association of Petit Aesthetic Surgery (APAS) 4th Filler Basic Symposium held at Soon Chun Hyang University Hospital Seoul  in February this year. Dr. Koh is also the president of APAS. <Editors note>




    Hello everyone. Im Koh Ik-soo, the president of APAS. This lecture will be an opportunity to look into the areas for filler injection and to understand step-by-step process of developing filler technique.



    Filler can be applied to everywhere on the face. Filling in hollow areas on the face is the basis of filler injection. The first thing to be considered in a filler procedure is accurate indication. It is very important to determine what type of patients can benefit most from filler injection, whether a certain patient would benefit more from a filler injection, prosthetic material graft, or bone shaving.


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    In my opinion, the most important thing in filler injection is postprocedural change with time. Understanding the change is essential for a more comfortable filler procedure. In this context, doctors should not jump to a conclusion after a single injection of filler, but they always have to think about what to expect in the end. This means that doctors should consider the need for filler injections, not just to the depressed area, but also to the surrounding area and overall face as well.

    Now, lets see the key points of filler injection for each area. 


    Filler Procedure Areas


    Forehead and Temples

    The forehead and temples can be considered in pair. The first key point for procedure on the forehead is to inject filler continuously. The most common complaint among patients after filler injection in the forehead is unevenness of the procedural area, mostly because fillers were not injected continuously. Doctors need to master the skill for continuous injection of filler on the forehead. The second is making the forehead generally smooth, which is a technique that need sufficient training. The third is to inject filler with a toxin to prevent the influence of muscle. The filler for the forehead should be highly water containing power and smooth. Lastly, patients should be informed in advance of possible change in the shape from pressure, such as lying on the front or hat.


    Before and after filler injection to the forehead


    Before and after filler injection to the temples


    Hollow eyes and dark circles

    The first thing to consider for hollow eyes and dark circles is to differentiate superficial depression from deep depression. After filler injection for superficial skin depression, the folded area should be adjusted and the overall area should be lifted. The second point is to inject filler accurately along the curvature on the surface. Patients will complain of unevenness if the injection goes slightly out of the way. As was the case in the forehead, the injection should be made continuously. Both doctors and patients should be well aware of the fact that the filler may show through the thin skin.


    Before and after filler injection to dark circles


    Aegyo-sal (youthful lower eyelid fullness)

    Whats most important is to inject filler only to the upper area of the inferior palpebral groove. Injecting more than 0.1cc makes puffy eyes as if those after crying. Some may even complain that the eyes look as if beaten. Another important point is to inject filler close to the eyelashes or the Aegyo-sal will look disconnected from the eyes. Of course the injections should be continuous, and patients should be informed that the filler may show through thin skin.


    - To be continued-


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