Bleaching Procedures PDF - Tooth Discoloration & Non-Vital Teeth

# Bleaching Procedures (Tooth Discoloration and Bleaching of Non-Vital Teeth) Dr. Basheer Hamed Hamood Al-shameri Assistant professor ## TOOTH DISCOLORATIONS * Discoloration was described as “any change in the hue ( درجة او عمق اللون ) , color, or translucency of a tooth due to any cause”. *...

# Bleaching Procedures (Tooth Discoloration and Bleaching of Non-Vital Teeth) Dr. Basheer Hamed Hamood Al-shameri Assistant professor ## TOOTH DISCOLORATIONS * Discoloration was described as “any change in the hue ( درجة او عمق اللون ) , color, or translucency of a tooth due to any cause”. * Tooth discolorations may be hereditary, related to patient behavior, age, and disease, or caused iatrogenically by dental and medical treatment. | | | | :------------------ | :---------------------- | | Intrinsic discolorations | Extrinsic discolorations | | | | | :----------------- | :--------------------------------------------------- | | Intrinsic discolorations | Extrinsic discolorations are attached to the tooth surface. | | | | Refences: Cohen’s Pathways of the Pulp, 11th Edition ## TOOTH DISCOLORATIONS Intrinsic discolorations | | | | :----------- | :------------------------- | | Systemic Intrinsic Causes | Local Intrinsic Causes | Refences: Cohen’s Pathways of the Pulp, 11th Edition ## ETIOLOGY OF TOOTH DISCOLORATIONS Discoloration of teeth can be attributed to various etiologies: **A. Systemic Intrinsic Causes** i. Genetic Causes ii. Metabolic Causes iii. Drug-Related Causes **B. Local Intrinsic Causes** 1. Pulpal Hemorrhage 2. Dental Caries 3. Pulp Necrosis 4. Calcific Metamorphosis/Dystrophic Calcification 5. Pulp Tissue Remnants 6. Root Resorption 7. Restorative Materials 8. Aging 9. Intracanal Medicaments and Root Filling Materials **C. Extrinsic Causes** i. food ii. Beverage iii. Smoking In general, extrinsic stains respond well to scaling, polishing, or bleaching.