Color stability is an important factor to ensure the long-term of esthetic success
of ceramic restoration, there are several factors affect color stability, such as repeated firing.
Aim of Study: Color Difference comparison between two types of cer
amic fused to metal after repeat
firing by using spectrophotometer (Vita Easy Shade).
To record the prevalence and distribution of congenitally missing permanent
teeth and their relation to gender in a sample of patients in an orthodontic clinic in Damascus.
The endodontic access is an important process of any endodontic treatment in
primary molars. There is no agreement about the best and fastest method of endodontic access in primary
molars. This study aimed to compare between three ways and burs of
preparing access cavity in primary
molars for quality and working time.
Vibration of Ultrasonic has used for scaling
and periodontal curettage, it is also has used for metal crown and
metal-ceramic crown removal, subsequently, using the tips whether for
scaling or removing crown, they will be in direct contact with th
is crown,
This research aimed to evaluate the surface of metal-ceramic crown
after exposure to Vibration of Ultrasonic tips.
