1. Dentistry definition: The science concerned with the diagnosis, prevention, and treatment of diseases of the teeth, gums, and related structures of the mouth & includes the repair or replacement of defective teeth.

2. Structure of tooth

3. Branches 1.Endodontics – endo –inside, odont-teeth 2.Conservative/ Restorative dentistry- restoration of decayed, defective, missing or traumatised teeth 3.Prosthetic dentistry- Artificial replacement 4.Orthodontic- correction of dental & facial developmental defects.

4. Branches 1.Periodontology – supporting structures of teeth/periodontium [ gums, cementum, alveolar bone, periondontal ligament ] 2.Oral radiology- 3.Community dentistry- deals with the community and its aggregate dental or oral health. 4.Forensic odontology – identifiaction of dead person by dental examination / bite marks

5. 1. Aesthetic dentistry Restorative or cosmetic. Whiten your teeth · Improve gummy smiles · Replace worn-down or discoloured teeth. Fix chips and cracks · Seal gaps ·Correct rotations Dental field

6. 2. Implant dentistry A dental implant is an artificial tooth root surgically placed directly into the jawbone where a tooth is missing. A dental implant acts as an anchor for a bridge, replacement tooth, or a set of replacement teeth. 3. Pediatric dentistry Deals with two types of teeth in children [pre molar r absent in children] Preventive care-brushing, gum sore Teething-6 months to 3 years

7. 4. Cosmetic dentistry Cosmetic dentistry blends function with beauty by combining tooth reconstruction with plastic surgery procedures on the mouth tissues (gums, jawbones, facial muscles, lips, and skin) to result in a better- looking smile.

8. 5. Holistic dentistry Holistic dentistry (also called alternative or biological dentistry) focuses on the relationship between the mouth and the rest of the body Practitioners in this field blend dental knowledge with traditional healing practices to promote preventive approach to dentistry and avert tooth decay, disease and loss.

9. 6. Sedation dentistry Anesthesia regarding dentistry – Intravenous [to decrease the anxiety in pts who r afraid of undergoing dental procedure] – [ Lignocain + Adrenaline ] – 1 : 100,000 – Topical – general