Journal of Dental Implants
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Year : 2015  |  Volume : 5  |  Issue : 1  |  Page : 3-5

A study to evaluate the effect of taper on retention of straight and angled implant abutment

Department of Prosthodontic, SDM College of Dental Sciences and Hospital, Dharwad; RGUHS University, Bengaluru, Karnataka, India

Correspondence Address:
Roseline Meshramkar
Department of Prosthodontics, SDM College of Dental Sciences and Hospital, Dharwad - 580 009, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0974-6781.154414

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Aim: The purpose of this study was to evaluate the effect of taper on retention of copings in straight and angled implant abutment. Materials and Methods: Totally, 10 straight abutments (Adin Israel) of 3° taper and angled abutment of 15° taper with their analogs were used. Twenty castings were fabricated on the abutment that incorporated an attachment to allow removal. Castings were cemented to abutments with provicol (VOCO Germany). A uniaxial tensile force was applied to the crown using an instron machine until cement failure occurred. Results: Data were subjected to Shapiro-Wilk test, and it was found that variables have a normal distribution. Hence, Student's t-test was performed, and P value was found to be 0.00 <0.05. Hence to infer significant statistical difference. Conclusion: The retention of straight abutments was significantly more when compared to angled abutment when cemented with provicol. When using angled abutment, permanent luting agent should be the choice for cementation.

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