<prompt> A female patient aged 40 years comes for routine general examination. Full mouth radiographs are taken. Oval shaped radiolucent areas are seen in the root canals of maxillary central incisors Teeth are asymptomatic and show feeble response to vitality tests.How do you obturate the canal?Thermafill techniqueVertical compaction techniqueThermoplasticised gutta-percha techniqueLateral compaction technique  <response>: THERMOPLASTICIZED INJECTABLE GUTTA-PERCHA OBTURATIONObtura II Heated Gutta-percha SystemHigh Heat SystemThis technique was introduced in 1977 at Harvard institute.Indication for using obtura IIRoots with straight or slightly curved canals. For backfilling of canals. For obturation of roots with internal resorption, perforations, etc. Key concept: For any kind of root resorption, thermoplasticized GP obturation technique is preferred. 