Dentine Dentine is somewhat elastic, yellowish, and mineralized avascular tissue supports the enamel and encloses the pulp chamber. Composition of dentine- 60% Inorganic appetite 40% Fibrillar protein collagen or 70% apatite 20% collagen 10% of water The formation of dentine is known as dentinogenesis. Odontoblasts cells produce dentine. The function of dentine is to support and protect the enamel from enamel fracture and masticatory forces. It also protects the pulp from other harmful microbial and other harmful stimuli. Types of dentine- 1. Predentine. 2. Secondary dentine. 3. Tertiary dentine. It is harder than bone and softer than enamel consists of apatite crystals. If dentine gets exposed it can cause sensitivity due to cold, heat, acidic or sticky substance reaches inside the tooth causing pain. Sensitivity can cause Sceviour pain and other disease, heart problems. This problem of sensitivity can be healed by brushing with fluoride-containing toothpaste twice a day....
Popular posts from this blog
Can we fill the cavity of a five-year-old Kid? Tooth decay is rather common in kids as we know kids are nowadays have become soo notorious, every kid is fond of chocolates, ice cream, jams, cookies, cupcakes, sugared cereals and donates, etc. these are the main source to cause caries. Generally, people know caries as cavities but they are not cavity i.e. caries. To prevent our kid's teeth from caries every parent should follow excellent oral hygiene and diet as follows- 1. Brushing twice a day. 2. Flossing after every meal. 3. Use fluoride-containing toothpaste. 4. Give them a pea-sized toothpaste. 5. Properly routine dental check-up. Tooth decay cavity filling Baby teeth fillings are made out of white composite or metal. Generally, people choose metal composite because they are less expensive and are easy, quick to fill but children don't like metal composite as they are aesthetically not good. So mostly children select white composite for filling. The dentist drills the dam...
Enamel..
Enamel Enamel is the highest mineralized tissue of the body and totally acellular. Enamel is brittle and subject to fracture by trauma or heavy sharp-edge forces. It is a semi-permeable membrane permeable to some fluids, bacteria, and their products. Enamel is the hardest substance of the body, it can withstand blunt, heavy masticatory forces. It has a low tensile strength. Composition- 96%- Inorganic matrix. 4%- Organic matrix:- 1. 90% Amelogenins- rich in proline, histidine, glutamine & leucine. 2. 10% Non- amelogenins- Enamelin, ...
Comments
Post a Comment