CARIES
Initiation of caries require 4 entities- Host, bacteria, time, crabohydrates
Proximal caries confined within enamel – no fillimg neede only prevention
Only enamel caries and not extending DEJ then :-No Rx required in surface caries. - Only preventive Rx - oral hygiene,wait and watch
- Because enamel can remineralize
Most important factor in increased caries rate in old ppl – Xerostomia
V-shaped cervical liesion – doesn’t require any preparation for gic filling
Incipient careies detected by – fibroptic light
The percentage of simple caries located in the outer wall of the dentin (proximal sides of the tooth) which left without cavitations is around - 60%.
Ultra-Sonic. Devices:magnet. : 25000-40000 RPM, but piezo speed is: 60000 – 80000 RPM.
CMCP contains phenol in concentration: Chlorophenol 35%, Camphor 65%.
