DENTAL CARIES DEFINTION , GV BLACKS CLASSIFICATION CARIES CLASSIFICATION

 CONSERVATIVE DENTISTRY 

• Art and science of diagnosis,treatment,prognosis of defense of tooth that do not require full coverage restoration 
• Such treatment should result in proper tooth form, function ,esthetics ,in harmonious relationship with adjacent hard and soft tissue all of which enhance the general health and welfare of patient

DENTAL CARIES:

DEFINITION:

Is an infectious microbiological disease that result in localized dissolution and destruction of the calcified tissue of teeth

-STURDEVANT

Is defined as the microbial disease of the calcified tissue of tooth characterized by demineralization of the inorganic protein and destruction of organic substance of tooth

-E.A.M.KIDD

BASED ON WHO SYSTEM:

D1-Non cavitated lesion

D2-Cavity limited to enamel 

D3-cavity limited to dentin

D4-cavity limited to pulp

BLACKS CLASSIFICATION:

CLASS I CARIES:

• All pits and fissure caries are class1 caries ,these caries include :

1. Occlusal surface of premolar and molar
2. Occlusal 2/3rd of facial and lingual surface of molar
3. Lingual surface of maxillary incisor

CLASS II CARIES:

• Caries involving the proximal surface of posterior tooth are termed class II

CLASS III CARIES;

• Caries involving the proximal surface of anterior teeth that do not include the incisal edge

CLASS IV CARIES:

• Caries involving the proximal surface of anterior teeth do include the incisal edge

CLASS V CARIES:

• Caries on gingival third of facial or lingual surface of all teeth are termed class V

CLASS VI CARIES:

• Caries on the incisal edge of anterior teeth and occlusal cusp of tip of posterior teeth