Dental apparatus and instruments, namely, picks, burrs, mirrors and oral irrigators; Dental prostheses; dental implants; systems for dental applications comprised of dental implants, dental crowns, artificial teeth, dentures and flexible sheets for surgical purposes in the nature of anchoring membranes for the implantation of dental prostheses; kits for implanting dental implants by means of a maxillary sinus lifting technique comprised of dental instruments, namely, dental drills for lifting the maxillary sinus, dental drills with a mechanical stop for lifting the maxillary sinus, dental drills for extending and increasing the length at which the maxillary sinus can be lifted, dental drills for increasing length with reduced cutting angle for the lifting of the maxillary sinus, and pilot drills, enlarging drills and multiple extending drills for use in forming a house hole in bone for implants and used in dental applications; dental instruments, namely, a dental pushing tool for inserting grafting material under anchoring membranes in the nature of flexible sheets, a dental pushing tool with transversal handle and a dental pushing tool with removable transversal handle