Enamel erosion cannot be caused due to scaling, it may cause teeth sensitivity for a little while, sure, but not erosion. Genetics as well as hyperacidity or increased oral pH, improper brushing technique could be the culprits.
Next Steps
1. Veneers/ intentional Root canals with desired shade crown placement are recommended.
2. Brushing in circular momvements and gently with a soft bristled tooth brush twice daily.
Health Tips
Visit a Dentist at the earliest.