Endodontically Treated Teeth Clinical Trial
Official title:
Clinical Assessment of Retention, Patient Satisfaction and Recurrent Caries of Endocrowns Versus Post Retained Crowns Using Reinforced Lithium Silicate.
Coronal retention of the restoration of RCT teeth is usually compromised, thus intraradicular
posts combined or not with core material may be required.
The drawbacks of the conventional treatment created a necessary demand to have alternative
treatment options. Among these options is the endocrown restoration. The pulpal chamber
cavity provides retention and stability. Its trapezoidal shape in mandibular molars and
triangular shape in maxillary molars increase the restoration's stability. The saddle form of
the pulpal floor increases stability. This anatomy, along with the adhesive qualities of the
bonding material, make no need for additional preparation or further use of post-involving
root canals.
Aim of the study:
The aim of this study is to evaluate the effect of using reinforced lithium silicate
endocrowns on the recurrent caries, patient satisfaction and retention in comparison to post
retained reinforced lithium silicate crowns.
The study is held to evaluate recurrent caries,patient satisfaction and retention of
endodontically treated teeth restored with Endocrowns versus Post Retained Crowns using
Reinforced Lithium Silicate after one year follow up .
The clinical performance of ceramic endocrowns showed a survival rate of 99 % and the success
rate of 89.9 % in a 10 year retrospective study done by Bellflamme et al. 2017.
Endocrowns; a recently developed line of treatment, take the advantage of the rapidly growing
discipline of adhesion to glass ceramics. As the retention and recurrent caries are decisive
factors in the prognosis of a restoration' they have to be thoroughly investigated.
Patients with endodontically treated lower first molars will be collected.after teeth
preparation to receive endocrowns and crowns ,secondary impressions will be taken .The
Patients will be divided randomly into two groups .One group will receive reinforced Lithium
Silicate Endocrowns (intervention)and the other group will receive reinforced Lithium
Silicate Crowns (control) retained with fiber posts.
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