This is a rare case report of apexification in an immature permanent mandibular first molar. Calcium hydroxide was used for apical root closure of both the mesial and distal canals. Root closure occurred after 13 months following which obturation of the tooth was completed.
Binnie WH, Rowe AHR. A histological study of the periapical tissues of incompletely formed pulpless teeth filled with calcium hydroxide. J Dent Res 1973 Sep-Oct;52(5):1110-1116.
Cooke C, Rowbotham TC. Root canal therapy in non vital teeth with open apices. Br Dent J 1960;108:147-150.
Kaiser JH. Presentation to the American Association of Endodontists. Washington, DC; 1964.
Frank, AL. Therapy for divergent pulpless tooth by continued apical formation. J Am Dent Assoc 1966 Jan;72(1):87-93.
Heithersay GS. Stimulation of root formation in incompletely developed pulpless teeth. Oral Surg Oral Med Oral Pathol 1970 Apr;29(4):620-630.
Cvek M. Treatment of non-vital permanent incisors with calcium hydroxide. I. Follow-up of periapical repair and apical closure of immature roots. Odontol Revy 1972;23(1):27-44.
Steiner JC, Van Hassel HJ. Experimental root apexification in primates. Oral Surg Oral Med Oral Pathol 1971 Mar;31(3): 409-415.
Dylewski JJ. Apical closures of nonvital teeth. Oral Surg Oral Med Oral Pathol 1971 Jul;32(1):82-89.
El-Meligy OA, Avery DR. Comparison of apexification with mineral trioxide aggregate and calcium hydroxide. Pediatr Dent 2006 May-Jun;28(3):248-253.
Thibodeau B, Trope M. Pulp revascularization of necrotic infected immature permanent tooth: case report and review of the literature. Pediatr Dent 2007 Jan-Feb;29(1):47-50.
Greenberg M. Filling root canals by an injection technique. Dental Digest 1963;69:61.
Seo R, Maki K, Hidaka A, Higuchi M, Kimura M. Long term radiographic study of bilateral second premolars with immature root treated by apexogenesis and apexification. J Clin Pediatr Dent 2005 Summer;29(4):313-316.
Almeida ML, Damasceno LM, Primo LG, Portela MB. Apexification of primary teeth: a treatment option. J Clin Pediatr Dent 2002 Summer;26(4):351-355.
Rotstein I, Friedman S, Katz J. Apical closure of mature molar roots with the use of calcium hydroxide. Oral Surg Oral Med Oral Pathol 1990 Nov;70(5):656-660.
Weine FS. Endodontic therapy. 6th ed. St. Louis: Mosby; 2004. p. 528-529.
Ball JS. Apical root formation in nonvital immature permanent incisor. Report of a case. Br Dent J 1964;116:166-167.
Bouchon F. Apex formation following treatment of necrotized immature permanent incisor. J Dent Child 1966 Nov;33(6): 378-380.
Koenigs JF, Heller AL, Brilliant JD, Melfi RC, Driskell TD. Induced apical closure of permanent teeth in adult primates using a resorbable form of tricalcium phosphate ceramic. J Endod 1975 Mar;1(3):102-106.
Lu YM, Qin JN. [A comparison of the effect between Vitapex paste and antibiotic paste in apexification.]. Shanghai Kou Qiang Yi Xue. 2004 Oct;13(5):449-451.
Chawla HS, Tewari A, Ramakrishnan E. A study of apexification without a catalyst paste. ASDC J Dent Child 1980 Nov-Dec; 47(6):431-434.
Hermann BW. Dentinobliteration der wurzelkanale nach behandlung mit kalzium. Zahnarztl Rundschau 1930;39: 888-890.
Morse DR, O'Larnic J, Yesilsoy C. Apexification: review of the literature. Quintessence Int 1990 Jul;21(7):589-598.
Selden HS. Apexification: an interesting case. J Endod 2002 Jan;28(1):44-45.
Sheehy EC, Roberts GJ. Use of calcium hydroxide for apical barrier formation and healing in non-vital immature permanent teeth: a review. Br Dent J. 1997 Oct;183(7):241-246.
Bradley HL. The management of the nonvital anterior tooth with an open apex. J Br Endod Soc 1977 Jul;10(2):77-83.
Gupta S, Sharma A, Dang N. Apical bridging in association with regular root formation following single-visit apexification: a case report. Quintessence Int 1999 Aug;30(8):560-562.