Is nasopalatine nerve block still mandated for the extraction of maxillary anterior teeth?

Al-Mahalawy, Haytham A.; El-Mahallawy, Yehia . (2020). Is nasopalatine nerve block still mandated for the extraction of maxillary anterior teeth?. British Dental Journal, 228(11), 865–868. doi:10.1038/s41415-020-1632-5

An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research