There are various reasons that could cause such problems. Inadequate brushing, poor brushing method, not flossing, could be amongst the reasons. Sometimes this could also happen because you have minor gaps in your teeth, which may required to be corrected via either traditional braces or aligners. Malialigned teeth make maintainence of oral hygiene very difficult.

Hi Choice of brush and brushing technique are also important factors that leads to calculus deposition or tartar again. Just consult on video call i will explain you proper technique of how to brush and other factors also.

Hie.. need to know how do you brush ..? Because improper brushing leads to deposition again... and need to evaluate other factors also

many factors can hinder it . improper brushing habit can lead to this . Even if you are using mouthwash that can also double the accumulation due to the cushion effect .