(Adult Occiput Plasty: The Limitations of Fillers and the Advantages of Bone Cement)
For adults in general, correcting the head shape, especially the back of the head, is impossible. This is an irreversible fact for all humans.
The skull’s shape is established during infancy and simply grows larger as the skeleton matures, with the characteristic of not changing significantly after that. Recently, methods such as acupuncture from Traditional Chinese or Korean Medicine, or fillers from general plastic surgery and aesthetic clinics, are being introduced for those with a flat back-of-head. However, it can be definitively said that it is difficult to achieve significant effects with these methods. Regardless of the country, it is not easy for patients to get the satisfaction they want relative to the cost. Even if a satisfactory result is achieved, it is very temporary. Therefore, it holds a significant difference from posterior head augmentation using an implant, which provides a fundamental change.

There are many adult men and women who are dissatisfied with their head shape, such as a sunken and flat back-of-head, an unattractive forehead, or a cone-shaped head. The shape of the head is influenced by acquired factors during the growth period as much as congenital factors. In severe cases, such as those classified as diseases like plagiocephaly or torticollis, it can also cause functional problems. This is true for Asians, Europeans, South Americans, and Africans alike. Generally, excluding cases of torticollis involving the skull, it doesn’t significantly hinder daily life, so many people postpone or have never even thought about head shape correction. However, individuals with an unattractive, flat back-of-head or an asymmetrical forehead often develop a significant complex. This is the same for people of any nationality. They may live hiding their flat appearance by preferring only certain hairstyles. Even if they know about a fundamental solution that meets their needs, they often hesitate.

Many people around the world, presumably those who feel they have an issue with their head shape, sometimes look into fillers or acupuncture for head shape correction. However, the areas that Eastern medicine can cover are very limited in following the field of Western medicine, and in the case of [these] cosmetic procedures, it is difficult to create dramatic changes. It should be considered a type of optical illusion or something temporary. Therefore, one must research thoroughly before paying a large cost for a surgery or procedure.

Some fillers mixed with hyaluronic acid may boast a long lifespan. However, a distinct characteristic of fillers that remain for a long time is that they have a lot of residue or form residue within the body, which can cause side effects or complications. This is very similar whether it’s a filler used in the US, or one from Germany, France, or Japan. Fillers for these cosmetic purposes are substances that should melt away cleanly. Therefore, when used to add volume to a flat area like the back of the head, the very short maintenance period can be a major drawback.

On the other hand, the component of artificial bone, like bone cement…
As seen in the picture, it starts as a very flexible liquid, and when it adheres to the skull and hardens, it remains in the form of very hard bone. The advantage of this implant is that after the head shape correction, it is natural in terms of feel, degree of hardness, and shape. It can be maintained continuously for a lifetime with just one procedure, making it especially suitable for cases where the head shape is asymmetrical or the back of the head is significantly sunken…

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