endodontics endodontic department mta azhar thermomechanical gutta percha herofil system b plasticized gutta percha thermafil warm lateral warm vertical wvc gutta percha obturation recent advances reciproc waveone protaper heat treated alloys instrumentation guidlines crown down niti austenite martensite azhar university continuous rotation reciprocating instrumentation rotary instrumentation bioactive hydraulic calicum silicate materials biocermaic materials dentistry pulp & periapical disease irrigation delivery systems chlorohexidine edta naocl irrigation & disinfection pain pain control lecture hypnodontics isolation clamps rubber dam sheets forcerps rubber dam apexification direct pulp capping revascularization ca(oh) vital pulp therapy apexogenesis regenerative endodontics pulpotomy indirect pulp capping access prep cavity
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