Review of Short Phrases and Links|
This Review contains major "Dentin"- related terms, short phrases and links grouped together in the form of Encyclopedia article.
- Dentin (BE: dentine) is the name of substance between the enamel (crown) or cementum (root) of a tooth and the pulp chamber.
- Dentin (BE: dentine) is a calcified tissue of the body, and along with enamel, cementum, and pulp is one of the four major components of teeth.
- Dentin is a bone-like substance that is formed by odontoblast cells (bone is formed by osteoblasts), which make up most of the structure of the tooth.
- Dentin is the material which exists between the pulp and the enamel, and is comprised of a series of dentinal tubules stacked on top of each other.
- Dentin is the softer layer beneath the enamel.
- The enamel covers a material, called dentin, which makes up the majority of each tooth.
- The tooth enamel is a material called dentin.
- A material similar to dentin forms the hard material that makes up dermal denticles in sharks and other cartilaginous fish.
- Dentin, softer than enamel, makes up the bulk of the tooth.
- Further and this is key - the bulk of solid appearing teeth, called the dentin, actually consists of miles of tiny tubules.
- Dentin is the inner layer, the bulk of the tooth.
- If a crack penetrates the dentin layer, it will begin to agitate the nerve, causing pain or discomfort every time the person eats and drinks.
- The underlying dentin is less brittle and does not crack.
- Dentin, less mineralized and less brittle, 3-4 in hardness, compensates for tooth enamel and is necessary as a support.
- It can destroy a tooth all the way through the enamel, through the inside dentin layer and down to the pulp or nerve of the tooth.
- Sometimes the nerve of the tooth can even get irritated when the carbamide peroxide sinks through the enamel into the dentin.
- Underlying the dentin is the nerve of the tooth.
- Dentin has feeling through a series of tubules that act like nerves.
- This example was found to be equally effective in the process of plaque removing and bleaching of the dental enamel and dentin.
- As the hydrogen peroxide breaks down, it allows oxygen to enter your teeth and bleach the dentin and enamel.
- As hydrogen peroxide, the active ingredient in the gel, is broken down, oxygen enter the enamel and dentin and bleaches the colored substances.
- Research has shown that "just as hydrogen peroxide penetrates through the enamel and dentin and to the pulp, so does potassium nitrate.
- Depending on which hard tissues are affected, it is possible to describe caries as involving enamel, dentin, or cementum.
- Unlike dentin and bone, tooth enamel does not contain collagen.
- Dentin 13 of prepared tooth structure 3 is a fiber reinforced tissue including minerals, collagen, and water.
- Third stage: The odontoblast process, protected by the large crystals blocking the tubule, secretes collagen into the dentin tubule.
- They found that unmineralized collagen was a major component within dentinal tubules, occurring in 65% of all tubules in inner dentin (closest to the pulp).
- Each and every tooth is made on an inner dentin layer and it has a hard outer enamel layer, through which protection to the tooth takes place.
- With age, the enamel on teeth becomes thinner and more transparent, and the inner layer, called dentin, looks darker.
- A tooth has an outer layer (enamel), a middle layer (dentin), and a center (pulp).
- Strictly speaking, "dental caries" means holes in the outer two layers of the teeth, the enamel and the dentin.
- The cells that form new ivory lie at the base of the tusk where dentin meets the hard outer layer of the tooth, called cementum.
- Bacteria can penetrate the enamel to reach dentin, but then the outer surface may remineralize, especially if fluoride is present.
- Certain medications or excessive use of fluoride can also cause the dentin layer to yellow.
- The effect of fluoride in drinking water on the progression of dentinal caries and dentin apposition was studied in Wistar rats.
- This acid eats into tooth enamel, or the outer layer of the tooth, and dentin, the major part or core of the tooth.
- Teeth may become more yellow as more dentin is exposed because of the loss of tooth enamel.
- DENTIN (2) or IVORY, is the tissue below the tooth enamel that forms the main mass of a tooth.
- Dental radiographs are inadequate for detecting decay in the occlusal surfaces until the lesion is well advanced through the enamel and into the dentin.
- The ability of oral streptococci to bind to collagen may facilitate bacterial adhesion to exposed dentin or cementum, and subsequently tissue penetration.
- Dental caries occurs when acidic metabolites of oral streptococci dissolve enamel and dentin.
- Whenever dentin is cut or abraded, a smear layer of debris forms on the instrumented surface and packs into the superficial portion of the dentinal tubule.
- Once the drill reaches the dentin, or second layer of the tooth, the dentist may use a lower speed drill because dentin is softer than enamel.
- If you are diagnosed with dentin hypersensitivity, your dentist may apply a desensitizing agent or a protective coating.
- The bonding agent then bonds the composite to the dentin and enamel of the tooth and the bar to the same.
- Tooth color is defined by its structure and optical properties of acquired pellicle, enamel, dentin.
- This pain is due to the enamel having been eroded away, exposing the sensitive dentin.
- As the decay spreads inward into the middle layer (the dentin), the tooth becomes more sensitive to temperature and touch.
- The dentin then becomes sensitive to external irritants because of the movement of fluid in and out of the dentinal tubules.
- Dentine hypersensitivity is an intense pain felt when the dentin of the teeth are exposed to hot or cold foods or drinks.
- Pathophysiology The progression of pit and fissure caries resembles two triangles with their bases meeting along the junction of enamel and dentin.
- First, the dental laser device of the present invention can cut not only decayed enamel and dentin but also sound, intact, healthy enamel and dentin.
- Eventually the bacteria will work through the dentin and into the pulp and cause a condition which is termed pulpitis (inflammation of the pulp).
- Once dental caries perforates the enamel, the caries can progress rapidly in the dentin, destroying the tooth and eventually resulting in pulpitis and pain.
- Enamel: Hard surface covering the dentin portion of the crown of the tooth.
- The tooth's nerve lies within the root canal.The dental pulp is the tissue which forms the dentin portion of the tooth.
- If a tooth has broken or decayed significantly, or if a tooth's gum line has receded very much, the portion of the tooth that is visible is actually dentin.
- Dentin - the hard but porous tissue located under both the enamel and cementum of the tooth.
- Dentin is porous, hard, mineralized connective tissue composed primarily of hydroxyapatite-coated collagen type I fibrils.
- Dentin is less radiopaque than enamel and has a radiopacity similar to that of bone.
- After drying the teeth a separable plastic mould of 4 mm in inner diameter and 2 mm in height was fixed to the surface of the dentin.
- A separable plastic mould of 4 mm in inner diameter and 2 mm in height was fixed to the surface of the bovine dentin.
- Enamel rods, which are the basic unit of the enamel structure, run perpendicularly from the surface of the tooth to the dentin.
- Once the caries reaches the dentin at the dentino-enamel junction (DEJ), the decay quickly spreads laterally.
- On reaching dentine,the lesion spreads along the DEJ as well as into dentin.
- Pulp -- innermost layer of the tooth, below the enamel and dentin, which contains the nerves and blood vessels.
- Root canals are the narrow, hollow passages inhabited by nerve tissue and blood vessels, among other things, located within the dentin of a tooth.
- The dentinal tubules in this new dentin are irregular, an arrangement that makes it less permeable to microorganisms.
- Dentin is permeable and allows the bidirectional movement of materials from the oral cavity, across dentin to the pulp and vice versa.
- Depending on how rapidly it is formed, the reparative dentin does tend to be more permeable than primary or secondary dentin.
- Dentistry IQ However, medium grit prophy paste removes stain effectively and quickly with less abrasion to enamel or dentin.
- In teeth where attrition had exposed dentin at the incisal edge, oral bacteria had infiltrated the large tubules.
- Tertiary dentin, also known as reparative dentin, forms in reaction to stimuli, such as attrition or dental caries.
- The resulting reaction and bacterial processes affect the outer layers of the tooth, such as the enamel and dentin layers.
- Following measurement of the baseline fluid flow in the dentin disc, an experimental dentifrice is applied to the external surface with a nylon brush.
- The first step is to apply the dentin colored composite resin to an external surface of the veneer-prepped tooth (502).
- The enamel colored composite resin 20 is thereafter applied to the external surface of the decal 14 and the dentin colored composite resin base 18.
- The Zoom! procedure only affects colored substances inside the enamel and dentin, leaving the surface of the tooth unchanged.
- Growth factors, especially TGF-β, are thought to initiate the production of reparative dentin by fibroblasts and mesenchymal cells of the pulp.
- If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp.
- Unchecked, the bacteria can penetrate the dissolved surface, attack the underlying dentin, and reach the soft pulp tissue.
- Unlike enamel, dentin continues to form throughout life and can be initiated in response to stimuli, such as tooth decay or attrition.
- Tooth decay erodes through the enamel and dentin layers of the tooth until it reaches the middle of the tooth, the pulp chamber.
- Tooth decay can be thought of as a progressive bacterial infection of the enamel, then the underlying dentin and finally the pulp.
- With tetracycline staining, the dentin and enamel are stained a brown-gray color.
- The areas of dentinal caries and dentin apposition were quantified after tetracycline staining.
- The enamel that covers the teeth gets thinner with age, allowing the underlying layer of yellowish dentin to show through.
- In the case of tooth enamel, it's the yellowish dentin layer below the enamel.
- Unlike enamel, dentin may be demineralized and stained for histological study.
- For example, dentin surfaces that have been superficially demineralized probably have disrupted collagen fibrils with regions of denaturation.
- Radiographic evaluation, (B), however, reveals an extensive region of demineralization within the dentin (arrows) of the mesial half of the tooth.
- Dental erosion is the demineralization of enamel and dentin caused by chemicals, such as gastric acid.
- The waste products created from digesting these sugars are the acids (especially lactic acid) that cause the demineralization of tooth enamel and dentin.
- Dentinogenesis imperfecta is a condition in which dentin does not form properly and is sometimes associated with osteogenesis imperfecta.
- Dentinogenesis imperfecta (DGI) and dentin dysplasia (DD) are allelic disorders that primarily affect the formation of tooth dentin.
- Radiograph demonstrates an enlargement of the root without obvious cause C. Dentinogenesis Imperfecta (Hereditary Opalescent Dentin) 1.
- Medicine > Anatomy > Mouth > Enamel
- Anatomy > Mouth > Teeth > Tooth
- Humans > Health > Diseases > Caries
* Bacterial Invasion
* Bleaching Process
* Bond Strength
* Carious Dentin
* Carious Lesion
* Dentinal Tubules
* Dentin Caries
* Dentin Formation
* Dentin Hypersensitivity
* Dentin Tubules
* Enamel Organ
* Human Teeth
* Organic Matrix
* Outer Coating
* Outer Enamel
* Protective Enamel
* Pulp Cavity
* Pulp Chamber
* Root Canal
* Root Caries
* Secondary Dentin
* Tertiary Dentin
* Tooth Development
* Tooth Structure
* Underlying Dentin
* Underlying Tooth Structure
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