It is the negative replica of the structures of the oral cavity be it hard(tooth) or soft(gingiva, mucous membrane) structures, which are used to fabricate the cast or model of the patient, and for making crowns, dentures, and other prosthesis. Materials used for taking Impression: The most commonly used material is Zinc oxide Eugenol- It [...]
Muscles of mastication
August 21, 2008 By 37 Comments
The muscles which are required for mastication are known as the muscles of mastication, These muscles help mainly in the movement of the mandible and not the maxilla as maxilla is an integral part of the skull and the mandible being the only movable bone in the skull. There are many muscles which help in [...]
Theories of pain transmission through Dentin
August 18, 2008 By Leave a Comment
In order to explain the way pain is transmitted to dentin many scientists proposed many theories of transmission of pain through the dentin to the pulp where the nerves are largely crowded. The pain or the stinging sensation seen on the teeth is due to the dentin which makes up the bulk of the tooth, [...]
Theories Of Mineralization
July 13, 2008 By 8 Comments
Mineralization is a Process taking place in all the calcified structures in the body like the bone & enamel. It is defined as the deposition of the mineral salts in and around the organic matrix to make it a calcified structure. The mineralization process is based on 2 mechanisms: Booster Mechanism Seeding mechanism And it [...]
Eruption of Permanent teeth
July 12, 2008 By Leave a Comment
Permanent teeth which consist of 32 teeth completely erupt by the age of 18-25, the first in the sequence to erupt being the 1st Molar(6-7 yrs) and the last to erupt is the 3rd Molar(18-21 yrs). The anterior teeth or the incisors mainly the mandibular erupt lingually to that of the deciduous, and the posteriors [...]
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