Evaluation of two different types of zirconia crowns ( Kinder Krown , Nusmile crown) used in carious primary anterior teeth
Assess the clinical and radiographic evaluation of Kinder Krowns and Nusmile crowns in restoring carious primary canines And compare between the two crowns used
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
25
Placement of an anterior crown restoration as a final restoration
Tanta University
Tanta, Egypt
Crown retention
Change in the following clinical assessment measure between baseline and 12 months using the scale below A=Intact B=Chipped/small but noticeable areas of loss of material C=Large loss of material D=Complete loss of crown
Time frame: 12 months
Opposing tooth wear
Binary (Yes/No)
Time frame: 12 months
Gingival health
Change in the following clinical assessment measure between baseline and 12 months using the scale below A=No inflammation B=Mild inflammation C=Moderate inflammation D=Marked inflammation
Time frame: 12 months
Immediate color match
A=No noticeable difference from adjacent teeth B=Slight shade mismatch C=Obvious shade mismatch
Time frame: 12 months
Gingival index (Loe and Silness)
Change in the following clinical assessment measure between baseline and 12 months using the scale below 0=Normal gingiva(natural colour pink gingiva no inflammation) 1=Mild inflammation(slight changes in colour,slight edema,no bleeding on probing) 2=Moderate inflammation(redness, edema and glazing, bleeding upon probing 3=Severe inflammation(marked redness and edema/ulceration/tendency to bleed spontaneously
Time frame: 12 months
Crown margins
Change in the following clinical assessment measure between baseline and 12 months using the scale below A=Continuous with the contour of the crown, nice adaptation B=Slight overhang or under contour present C=Large defects noted D=Restoration missing
Time frame: 12 months
Child/parent satisfaction
Binary(Yes/No)
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Time frame: 12 months
Pathological external/internal root resorption
Binary(Present/Absent)
Time frame: 12 months
Periapical radiolucency
Binary(Present/Absent)
Time frame: 12 months