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COMPARATIVE EVALUATION OF IPS EMPRESS MATERIAL USED FOR FIXED PARTIAL PROSTHESIS PLACED ON VITAL & NON-VITAL ABUTMENTS ON THE PERIODONTAL STATUS – A TWO YEAR RETROSPECTIVE FOLLOW-UP
Authors: Shetty S , SHETTY K, WALI O, SAIT R, ALZAHARANI R AND SHEIKH KH

ABSTRACT
Objective: A sound periodontium is critical for the long term success of fixed prostheses. These prostheses are often prepared on vital teeth and non-vital as abutments. Endodontically treated teeth (non vital abutments) have often been looked upon with doubt as suitable abutments. Among the popular esthetic materials in use today, IPS empress is a popular choice in fixed prosthodontics. The present study aimed to assess the long term clinical and radiographic effects and tissue responses when IPS empress material was used in FPD placed on vital and non-vital abutment teeth on the periodontal parameters. Methodology: Following ethical committee approval, the study group comprised of 23 abutment teeth; 13 vital and 10 non vital, in 14 systemically healthy patients (6 males and 8 females) aged between 18 – 45 years who had received 3 unit fixed prosthesis fabricated using IPS empress material having equigingival margins. The following parameters were assessed at the time of bridge placement and 2 year follow up – CAL, Probing depth, Distance between CEJ/ cervical crown margin and alveolar crest of the abutment teeth (radiograph). Results: Statistical analysis carried out by SPSSV22 software revealed significant changes in clinical parameters (P<0.05) and no significant changes in radiographic parameters (p>0.05) from the time of bridge placement till the 2 year follow up. However, significant differences were observed between vital and non vital abutments at the end of the 1st year only with regard to probing depth and CAL, (p<0.05) but not with radiographic parameters. p>0.05). Conclusion: There seemed to be favorable responses of the periodontal tissues to IPS material used on the abutments of FPDs with no significant difference between vital and non-vital abutments in the long term follow-up. Keywords: vital abutments, non-vital abutments, periodontal status, bone loss, IPS empress, FPD
Publication date: 01/05/21
    https://ijbpas.com/pdf/2021/May/MS_IJBPAS_2021_5468.pdf
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https://doi.org/10.31032/IJBPAS/2021/10.5.5468

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