FP1: MCR
At COD, coping of MCR is made of
Argebond 80
for MCR, metal coping is _____mm thick and opaque porcelain is _____mm thick
dentin and teeth porcelain= _______mm
total reduction= 1.5mm
metallic coping= zero.3mm
opaque porcelain= zero.2mm
dentin+enamel= 1mm
3 functions of opaque porcelain in MCR
1. Blocks out colour of metal
2. Establishes bond to steel
3. Initiates chosen colour
symptoms for metallic ceramic restorations:
1. Esthetic requirement
2. Pt with occlusal compromises (ant overbite, occlusal wear)
three. Restrained interarch space
four. Dark dentin or middle build-up
contraindications for MCR
metal allergy
esthetic demands
porcelain butt margin= ______ shoulder
metal collar margin= shoulder with _______
radial
bevel
At COD, coping of MCR is made of
Argebond 80
for MCR, metal coping is _____mm thick and opaque porcelain is _____mm thick
dentin and teeth porcelain= _______mm
total reduction= 1.5mm
metallic coping= zero.3mm
opaque porcelain= zero.2mm
dentin+enamel= 1mm
3 functions of opaque porcelain in MCR
1. Blocks out colour of metal
2. Establishes bond to steel
3. Initiates chosen colour
symptoms for metallic ceramic restorations:
1. Esthetic requirement
2. Pt with occlusal compromises (ant overbite, occlusal wear)
three. Restrained interarch space
four. Dark dentin or middle build-up
contraindications for MCR
metal allergy
esthetic demands
porcelain butt margin= ______ shoulder
metal collar margin= shoulder with _______
radial
bevel