Hello, generally speaking, orthognathic surgery can be performed in three months.

Combined orthognathic and orthodontic treatment
Because its bones need about 3 months to heal better. See the recovery of individual alveolar bone, For example, for customers with poor physique, the bone healing time after orthognathic surgery may be prolonged.

Orthodontics can start about 3 months after orthognathic
The double jaw operation can effectively improve the problems of long face, ground covering sky, facial asymmetry and uneven occlusion. It is not only a plastic surgery, but also an operation with therapeutic significance.
Orthodontic combined surgery instructions: orthognathic still need orthodontics?
If the dental bone complex type, it can be combined with orthodontic treatment, which generally includes three parts: preoperative orthodontics, orthognathic surgery, and postoperative orthodontics.

What does orthognathic mean?
Orthodontics before operation: adjust the teeth to make them reach the normal state.
Orthognathic surgery: improve jaw bone, obtain normal occlusion and face.
Postoperative orthodontics: used to adjust the occlusal problems after surgery and consolidate the surgical results. According to different types of surgery, physique and recovery, orthodontics after orthognathic surgery generally starts about 2-3 months after surgery.
Extraneous remarks: How long should I wear the retainer after orthodontic surgery?
The goal of post-operative orthodontic treatment is generally the same as that of conventional orthodontic treatment, about 6 months to 1 year, and the follow-up needs to wear retainers to maintain the therapeutic effect.

The retainer is worn to prevent the teeth from returning to their original position, The whole time is about 2 years, and the specific needs vary from person to person.