Male Custom Square Chin Implant Replacement Case Example

A square chin is one of the defining features of a masculine face. Rather than simply making the chin larger, a broader more angular chin shape creates a stronger, more balanced lower face and enhances overall jawline definition.

Most men seeking chin enhancement want to increase chin width, define the lower border, and create more angular corners along with any desired increase in forward projection. These changes produce a more masculine appearance while maintaining natural facial proportions.

A square chin also provides better balance with broad cheekbones, a strong nose, and prominent jaw angles. Because chin width is most noticeable from the front, it has a greater impact on facial appearance than projection alone.

Custom chin implants are uniquely suited to create this look because they can selectively widen the chin, make more defined chin corners and blend smoothly into the jawline. The goal is not the biggest chin, but the right shape—a strong, square chin that complements the entire face.

Case Example

This male desired increased chin projection and a more square chin shape after having a previous 3mm chin implant placed. His 3D Ct scan showed a small round chin implant with it tilted downward. He also wanted jaw angle implants but they are not relevant to this chin implant discussion,

A custom chin implant was designed that added 5mms increased horizontally projection, 3mms of vertical height and a more square shape.

An overlay of the new chin implant design on the existing chin implant showed the difference in their shapes.

His three year result after the replacement custom chin implant showed the increased chin augmentation effect and a less round chin shape.

Discussion

A masculine, square chin is created by changing shape, not just making the chin larger. The goal is to increase the width and define the inferior border at the corners while maintaining proper projection. In custom chin implant design, the following principles are most important:

Increase Chin Width

Widen the chin to approximately the same width as the mouth or slightly wider.

Add volume to the inferolateral corners rather than just the center.

A wider base creates the characteristic “block-like” appearance.

Flatten the Inferior Border

Replace the natural rounded “U” shape with a straighter horizontal lower border.

Avoid a pointed or tapered lower edge.

Create Defined Corners

Build subtle 90° transitions between the front and sides of the chin.

The corners should be angular but not excessively sharp.

Add NeededForward Projection

The amount of forward projection is not limited by making the chin more square.

The more forward projection the chin has the more the square chin shape becomes apparent. However, excessive forward projection should be avoided.

Increase Vertical Height (When Needed)

A slightly taller chin (2–5 mm) can make the jaw appear stronger.

Excessive vertical length produces a rectangular rather than square appearance.

Blend Into the Mandible

The implant should extend laterally onto the anterior body of the mandible.

Abrupt transitions make the chin look like an isolated implant instead of part of the jawline.

Design Priorities for a Square Male Chin

The most natural custom male chin implants typically have a broad horizontal base, flat inferior border, defined inferolateral corners, and moderate central projection. This produces a strong masculine chin without creating an unnaturally long or protrusive profile.

Key Takeaways

1. A more square chin shape in an implant comes from sharpening the corner, not just increasing implant width.
2. The width of the square chin implant should not exceed that of the mouth corners and should be an alignment with the converging lines of the jawline from the sides.
3. Increased projection, whether it be horizontal, vertical or both helps in creating a more square chin shape.

Dr. Barry Eppley

Plastic Surgeon