1 “...), but the evidence to support its efficacy is conflicting. Three meta-analyses rated by investigators as the best...”

2 “...), but the evidence to support its efficacy is conflicting. Three meta-analyses rated by investigators as the best...”

3 “... pulp in the tooth], refilling with synthetic material, and sealing), is the most common treatment...”

4 “... pulp in the tooth], refilling with synthetic material, and sealing), is the most common treatment...”