Question: is this a 2) strong advice, 1) weak advice 0) no advice?

On the other hand, the increased tooth size discrepancy of anterior ratio in our sample supports the finding of other studies, such as Crosby and Alexander,34 Freeman et al,35 Santoro et al,36 Bernabé et al,37 O’Mahony et al,30 and Araujo and Souki,38 which found that the percentage of tooth size discrepancy in anterior ratio was more than the overall ratio (17.5% to 37.9% anterior ratio, 5.4% to 13.5% overall ratio). 
user
This is no advice
assistant