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The Hertwig epithelial root sheath (HERS) or epithelial root sheath is a proliferation of epithelial cells located at the cervical loop of the enamel organ in a developing tooth. Hertwig epithelial root sheath initiates the formation of dentin in the root of a tooth by causing the differentiation of odontoblasts from the dental papilla .
Scaling and root planing, also known as conventional periodontal therapy, non-surgical periodontal therapy or deep cleaning, is a procedure involving removal of dental plaque and calculus (scaling or debridement) and then smoothing, or planing, of the (exposed) surfaces of the roots, removing cementum or dentine that is impregnated with calculus, toxins, or microorganisms, [1] the agents that ...
Dentures are usually the least costly whereas implants are usually the most expensive. Dentures may replace complete arches of the mouth or only a partial number of teeth. Bridges replace smaller spaces of missing teeth and use adjacent teeth to support the restoration. Dental implants may be used to replace a single tooth or a series of teeth.
Although dental implants tend to have a high success rate, of about 99%, [38] studies show that if an implant were to fail, it occurs more often in the front portion of the upper jaw. [39] More research is required to determine why this occurs, but it has been theorized that the alveolar bone in the upper jaw has a thinner cortical plate and ...
Dental anatomy is also a taxonomical science: it is concerned with the naming of teeth and the structures of which they are made, this information serving a practical purpose in dental treatment. Usually, there are 20 primary ("baby") teeth and 32 permanent teeth, the last four being third molars or " wisdom teeth ", each of which may or may ...
The root end resection is carried out, removing 3mm apically. The canal(s) is then obturated, and the flap is sutured. There are a number of root-end filling materials available, including zinc oxide eugenol cements, and mineral trioxide aggregate. Complications that may arise include: pain: anti-inflammatory agents or analgesics should be taken
Root canal anatomy consists of the pulp chamber and root canals. Both contain the dental pulp. The smaller branches, referred to as accessory canals, are most frequently found near the root end (apex), but may be encountered anywhere along the root length. The total number of root canals per tooth depends on the number of the tooth roots ...
Denture stomatitis is a common problem in full and partial denture wearers, and so can also be seen in patients wearing overdentures. It is an example of a yeast infection [ 22 ] and can arise due to various factors, for example poor oral hygiene, hyposalivation and poor diet.