Outcomes Following Combined Adductoplasty™ and Lapiplasty® (MTA3D)

Inclusion Criteria:

1. Male and females ≥14 years old at the time of consent

2. Closed physeal plates at the time of consent

3. Intermetatarsal angle is ≥8.0˚; OR True IMA of >10°, (IMA+MTA-15=True IMA)

4. Hallux valgus angle is ≥12.0˚

5. Metatarsus adductus angle based on Sgarlatos method ≥15°

6. Willing and able to adhere to post-op care instructions

7. Capable of completing self-administered questionnaires

8. Acceptable surgical candidate, including use of general anesthesia

9. Female patients must be of non-childbearing potential or have a negative pregnancytest in accordance with hospital standards prior to the Index Procedure

10. Willing and able to schedule index procedure within 3 months of consent and able toreturn for scheduled follow-up visits

11. Willing and able to provide written informed consent

12. Patient agrees to refrain from any reconstructive procedures on contralateral footfor minimum of 6 months post index procedure

Exclusion Criteria:

1. Previous surgery for hallux valgus on operative side

2. Previous surgeries on operative foot involving fusion of foot or ankle joints (otherthan hammertoe, lesser toes/digits, or posterior muscle lengthening)

3. Moderate-severe osteoarthritis of the foot or ankle outside of the 1st, 2nd or 3rdtarsometatarsal joints

4. Moderate-severe osteoarthritis of the 1st, 2nd or 3rd tarsometatarsal joints

5. Any deformity of the hindfoot or midfoot that represents a pathological conditionthat may affect the outcome of the tarsometatarsal realignment, or a condition thatrequires concomitant surgical correction

6. BMI >40 kg/m²

7. Current nicotine user in any form including vaping, smoking, oral ingestion or useof nicotine patch

8. Current clinical diagnosis of diabetes or currently taking medication for treatmentof diabetes

9. Current clinical diagnosis of peripheral neuropathy

10. Current clinical diagnosis of fibromyalgia

11. Current clinical diagnosis of Complex Regional Pain Syndrome/Reflex SympatheticDystrophy (CRPS/RSD)

12. Current uncontrolled hypothyroidism

13. Current clinical diagnosis of chronic dependent edema

14. Previously sensitized to titanium

15. Currently taking oral steroids or rheumatoid biologics

16. Currently taking immunosuppressant drugs

17. Insufficient quantity or quality of bone to permit stabilization, conditions thatinhibit healing (not including pathological fractures) and conditions causing poorblood supply such as peripheral vascular disease

18. Active, suspected, or latent infection in the affected area

19. Use of synthetic or allogenic bone graft substitutes

20. Use of non-Treace products for Index Procedure

21. Additional bone procedure needed during the index procedure to complete correction (additional metatarsal or tarsal bone osteotomy or fusion, first MTP fusion,calcaneal osteotomy, traditional medial eminence resection);

22. Scheduled to undergo a same-day bilateral procedure

23. Patient has previously been enrolled into this study for a contralateral procedure

24. Scheduled for any concomitant procedure that would alter patient's ability toweight-bear post-procedure

25. Patient is actively involved with a workman's compensation case or is currentlyinvolved in litigation

26. Patient is currently in, or has participated in, a clinical study in the last 30days prior to signing informed consent or is considering participation in anotherresearch protocol during this study. Exceptions to this include survey clinicalstudies with no treatment or if subject is greater than 12 months post procedure ineither the Treace ALIGN3D™ or Mini3D™ Study without ongoing protocol defined AE

27. Patient has a condition or finding that, in the opinion of the Investigator, mayjeopardize the patient's well-being, the soundness of this clinical study, or couldinterfere with provision of informed consent, completion of tests, therapy, orfollow-up