%0 Journal Article %T Periodontal ligament injection versus routine local infiltration for nonsurgical single posterior maxillary permanent tooth extraction: comparative double-blinded randomized clinical study %A Mohammad H Al-Shayyab %J Archive of "Therapeutics and Clinical Risk Management". %D 2017 %R 10.2147/TCRM.S143173 %X The aim of this study was to evaluate the efficacy of, and patients¡¯ subjective responses to, periodontal ligament (PDL) anesthetic injection compared to traditional local-anesthetic infiltration injection for the nonsurgical extraction of one posterior maxillary permanent tooth %K PDL injection %K infiltration %K anesthesia %K extraction %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5640402/