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12 February 2024: Lab/In Vitro Research

Evaluation of the Milled and Three-Dimensional Digital Manufacturing, 10-Degree and 20-Degree Preparation Taper, Groove and Box Auxiliary Retentive Features, and Conventional and Resin-Based Provisional Cement Type on the Adhesive Failure Stress of 3 mm Short Provisional Crowns

Mohammed E. Sayed 1ABDEG* , Nandalur Kulashekar Reddy 1ABDEG , Naveen R. Reddy 1ABDEG , Khurshid A. Mattoo 1ACDEF , Yaser Ali Jad 2BCDEF , Abdullah Jaber Hakami 2BCDEF , Abdulwahab Khalid Hakami 2ABCDEFG , Abdulwahab M. Dighriri 2BCDEF , Salman Y. Hurubi 2BCDEF , Bassam Ali Hamdi 2BCDEF , Ahid Amer Alshahrani 3ACDEF , Ebrahim Fihaid Alsubaiy 4ACDEG , Abdullah Hasan Alshehri 4ACDEG , Mashael Abdullah AlNijaiban 5ACDEF

DOI: 10.12659/MSM.943237

Med Sci Monit 2024; 30:e943237

Table 2 One-Way ANOVA test results for comparison of tensile forces between 2 provisional crown materials (milled vs 3D-printed) cemented with 2 different provisional cements (conventional vs resin-modified) using different retentive features (taper, groove, box).

Provisional materialCement typeSubgroup codesNMeanSDMinimumMaximumF valueP value
Milled (CopraTemp)Conventional (TempBond NE)Gp MC11073.544.7365.6279.51380.9690.0000*
Gp MC21048.055.0342.4259.30
Gp MC2G1047.682.9743.3952.18
Gp MC2B1048.972.2046.1051.63
Resin Modified (ProviTemp NE)Gp MR110137.2710.45116.98153.55
Gp MR210116.514.63108.93124.98
Gp MR2G10104.208.9990.13114.64
Gp MR2B10123.859.46111.91134.87
3D-Print (Asiga)Conventional (TempBond NE)Gp PC11077.043.4171.9081.53
Gp PC21048.405.6440.2556.66
Gp PC2G1054.786.7747.4068.32
Gp PC2B1077.919.5163.3493.18
Resin Modified (ProviTemp NE)Gp PR110184.8519.00164.18228.65
Gp PR210201.1715.96176.46230.99
Gp PR2G10277.2323.88236.71321.05
Gp PR2B10328.8436.87264.74373.20
NE – non eugenol; Gp – group; N – number of specimens; SD – standard deviation; F – variation between sample means/variation within the samples; p – probability value.
Basis of Grouping – First alphabet represents type of provisional restoration [M – milled, P – printed (3D)], Second alphabet represents provisional cement type [C – conventional (TempBond NE), R – resin modified (ProviTemp NE)], third alphabet represents degree of taper [1 – 10 degrees, 2 – 20 degrees] and last alphabet represents additional retentive feature [G – buccal groove, B – mesial box.
[Example Gp MC2B representing subgroup milled crown cemented with conventional cement using 20-degree taper and mesial box].
Statistical Interpretation: Test employed – one way ANOVA; level of the degree of significance was determined on the value of p
* – significant.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750