الأربعاء، 30 مارس 2016

RADIOGRAPHIC FEATURES OF DENTAL CARIES




§Carious lesions are detectable radiographically when there has been enough demineralization to allow it to be differentiate
 from normal.
§Radiographic examinations include;
1.  Bitewing radiographs  (most common technique used)
2.Periapical radiographic technique ( second chioce after bitewing)
3. radiographs using paralleling technique
4.  Dental panoramic tomograph







  • Operative Dentistry  is the art and science of the preventiondiagnosis and treatment of defects in the enamel and dentin of individual teeth.





OBJECTIVES OF OPERATIVE DENTISTRY:


DIAGNOSIS::  
Proper diagnosis is important for treatment plan

PREVENTION: 
To prevent any recurrence of the causative disease and defect. (ex: microorganism , carbohydrate )  

 INTERCEPTION:
Preventing further loss of tooth structure by stabilizing an active disease process.



PRESERVATION:
preserve the vitality of the teeth and periodontal health status. (avoid deep preps.) 



RESTORATION:

Includes restoring formfunction, phoneticsand esthetics.












TYPES OF LESION INVOLVED TO BE RESTORED :




• Dental caries.
• Tooth wear.
• Trauma.
• Developmental defect.



Dental caries: is an microbiological disease of the teeth that results in localized dissolution and destruction of the 
 calcified tissue, caused by the action of microorganisms and fermentable carbohydrates.






















Non carious lesions

















 Traumatic Teeth :Traumatic injuries are acquired suddenly.