%A Dr. W.C. Ngeow %A Y.L. Thong %O Times Cited: 3 Ngeow, WC Thong, YL %J International Endodontic Journal %T Gaining access through a calcified pulp chamber: a clinical challenge %X Dental pulp is prone to dystrophic mineralization; this mineralization can be so extensive that the entire root canal system is obliterated, As a result, root canal treatment can become a difficult if not impossible task, This article presents the endodontic management of a tooth with an obliterated pulp chamber and associated with a discharging sinus in a teenage patient, The role of a calcium hydroxide lining to induce mineralization and cause the obliteration of the pulpal space is also discussed. %N 5 %K Calcification; Calcium Hydroxide; Endodontics; Radiograph; Root Canal %P 367-371 %V 31 %D 1998 %I BLACKWELL SCIENCE LTD, P O BOX 88, OSNEY MEAD, OXFORD OX2 0NE, OXON, ENGLAND %L cogprints8183