Abstract
The optimal way to restore teeth after endodontic treatment continues to remain a controversial topic of heated debate to this day. Endodontically treated teeth (ETT) present with significantly different mechanical properties compared to vital teeth. The modifications in the biomechanical properties and structural integrity of the teeth are most-likely attributed to the volumetric loss of the hard tissues, extent of carious lesion, fracture propagation, final cavity preparation in addition to the access cavity prior to endodontic therapy.
 Hence based on above findings the present study was planned for comparative evaluation of Restoration of Endodontically Treated Teeth with Different Crowns.
 The study was planned in Department of Dentistry, Anugrah Narayan Magadh Medical College and Hospital, Gaya, Bihar. The 60 cases of the Endodontically treated teeth (ETT) were enrolled in the present study. The patients were divided in the 4 groups as per different material and restorations given.
 The survival of ETT is contingent on the residual sound tooth structure that remains after the endodontic access and caries removal are performed consequently the most important factors upon restoring ETT become the maximum preservation and conservation of enamel, dentin and the dentinoenamel junction. Hence, bonded partial restorations are always preferred over full coverage cementable crowns. More clinical studies comparing adhesive crowns bonded to postless build-ups or post and -core build-ups are needed for a better understanding of postless approaches in biomimetic restorative dentistry.
 Keywords: Endodontically treated teeth, Crown, cores, post, etc.
Highlights
Endodontics is the dental specialty concerned with the study and treatment of the dental pulp.[1]
The survival of Endodontically treated teeth (ETT) is contingent on the residual sound tooth structure that remains after the endodontic access and caries removal are performed the most important factors upon restoring ETT become the maximum preservation and conservation of enamel, dentin and the dentinoenamel junction
Bonded partial restorations are always preferred over full coverage cementable crowns
Summary
Endodontics is the dental specialty concerned with the study and treatment of the dental pulp.[1]. Endodontics involves either preserving part, or all of the dental pulp in health, or removing all of the pulp in irreversible disease. This includes teeth with irreversibly inflamed and infected pulpal tissue. Does endodontics involve treatment when a dental pulp is present, and includes preserving teeth which have failed to respond to non-surgical endodontic treatment, or for teeth that have developed new lesions, e.g., when root canal re-treatment is required, or periradicular surgery.[2]
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