• Publications
  • Influence
On the causes of persistent apical periodontitis: a review.
  • P. Nair
  • Medicine
  • International endodontic journal
  • 1 April 2006
Apical periodontitis is a chronic inflammatory disorder of periradicular tissues caused by aetiological agents of endodontic origin. Persistent apical periodontitis occurs when root canal treatmentExpand
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Pathogenesis of apical periodontitis and the causes of endodontic failures.
  • P. Nair
  • Medicine
  • Critical reviews in oral biology and medicine…
  • 1 November 2004
Apical periodontitis is a sequel to endodontic infection and manifests itself as the host defense response to microbial challenge emanating from the root canal system. It is viewed as a dynamicExpand
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Microbial status of apical root canal system of human mandibular first molars with primary apical periodontitis after "one-visit" endodontic treatment.
OBJECTIVE To assess the in vivo intracanal microbial status of apical root canal system of mesial roots of human mandibular first molars with primary apical periodontitis immediately after one-visitExpand
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Intraradicular bacteria and fungi in root-filled, asymptomatic human teeth with therapy-resistant periapical lesions: a long-term light and electron microscopic follow-up study.
Light and electron microscopy were used to analyze nine therapy-resistant and asymptomatic human periapical lesions, which were removed as block biopsies during surgical treatment of the affectedExpand
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Histological, Ultrastructural and Quantitative Investigations on the Response of Healthy Human Pulps to Experimental Capping With Mineral Trioxide Aggregate: A Randomized Controlled Trial
Aim  To investigate the pulpal response to direct pulp capping in healthy human teeth with mineral trioxide aggregate (MTA) as against calcium hydroxide cement (Dycal®) as control. MethodologyExpand
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New perspectives on radicular cysts: do they heal?
  • P. Nair
  • Medicine
  • International endodontic journal
  • 4 January 2002
During the past few decades several authors have perpetuated the notion that nearly half of all periapical lesions are radicular cysts. A few studies, based on meticulous serial sectioning ofExpand
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Persistent periapical radiolucencies of root-filled human teeth, failed endodontic treatments, and periapical scars.
OBJECTIVE This report describes 6 cases that demonstrate persistent periapical radiolucent lesions after conventional root canal treatment. STUDY DESIGN Six teeth that had conventional root canalExpand
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Non‐microbial etiology: foreign body reaction maintaining post‐treatment apical periodontitis
The polymerase chain reaction (PCR) is an elegant technology for faithfully replicating and amplifying the master molecule of life, but a valid scientific procedure remains essential without whichExpand
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