1. Microscopic investigation of root apexes;Kuttler;J Am Dent Assoc,1955
2. Apical closure of non-vital teeth;Dylewski;Oral Surg,1971
3. Stimulation of root formation in incompletely developed pulpless teeth;Heithersay;Oral Surg,1970
4. Endodontic treatment of vital and non-vital teeth with open apices;Feldman;NY State Dent J,1973
5. A conservative approach and procedure to fill an incompletely formed root using calcium hydroxide as an adjunct;Michanowicz;J Dent Child,1967