2026-06-04
Square Jaw Surgery, The Core Secret to Completing a Smooth Facial Line Without Secondary Angles
More important than simply shaving bone is the harmonious flow of the entire face. Introducing 345 Plastic Surgery's professional facial contouring approach that prevents secondary angles that can occur during square jaw surgery, protects the inferior alveolar nerve line through precise CT analysis, and realizes a natural V-line.

The 'Flow of Lines' That Determines Facial Impression
It is difficult to expect satisfactory appearance improvement simply by reducing the size of the bone. This is because the core that determines the overall impression of the face lies in the overall 'flow of lines' rather than the absolute size of the bone. In particular, the completeness of the surgery depends on how smoothly and naturally the square jaw (mandibular angle) line is refined.

At 345 Plastic Surgery, we focus on creating a soft and smooth facial contouring line without the artificial 'secondary angle' (a phenomenon where the jawline bends like stairs after surgery).
Three-Dimensional Precise Analysis to Prevent Secondary Angles

The before and after case above is an actual patient who underwent square jaw surgery at our clinic. For highly satisfactory results, a process of precisely analyzing facial proportions from various angles, such as the front, side, and oblique views, must precede. In addition, we accurately identify the location of the inferior alveolar nerve line passing through the jawbone to proceed with a three-dimensional contour design within a safe range.
Check out actual reviews and detailed information about 345 Plastic Surgery
Customized Resection Considering Nerve Lines and Soft Tissues

The key point of square jaw reduction depends on how elaborately the bone is handled. Since the angle of the jaw and the thickness of the bone differ for each individual, a customized plan is required rather than uniform resection.
- Cortical bone adjustment: The thickness of the cortical bone, the outermost layer of the bone, is finely adjusted to enhance the frontal effect.
- Soft tissue consideration: The positions of the masseter (chewing muscle) and buccal (cheek) fat are analyzed together to align the symmetry of both sides of the face.
- Nerve line protection: Through precise CT analysis, the resection amount is adjusted to avoid the pathway of the inferior alveolar nerve, thereby lowering the risk of side effects and preventing the occurrence of secondary angles.

Recommended Candidates for Square Jaw Surgery
If you have the following concerns, you can expect facial contouring improvement through a consultation with a specialist.
- Those who desire a smooth V-line face shape
- Those whose impression looks strong or whose face looks wide due to square jaw development
- Those who want a clear line improvement effect from both the front and side
- Those whose face looks large due to a wide margin in the lower part of the face

Safe Surgical Environment Through a University Hospital-Level System
345 Plastic Surgery considers patient safety as the top priority. Under the operation of Dr. Park Jong-rim, who has over 27 years of rich clinical experience, natural and harmonious lines are completed with skilled techniques.

- 3 resident anesthesiologists: Real-time monitoring of the entire surgical process
- 345 Doctor Call System: Responsible care through the post-operative recovery process
- Safety management: 24-hour CCTV operation and university hospital-level emergency medical equipment established

If you want a smooth square jawline without worrying about secondary angles, please establish the most suitable surgical plan for yourself through a precise diagnosis.


