Ebook Textbook of dental anatomy and oral physiology: Part 2
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Ebook Textbook of dental anatomy and oral physiology: Part 2
Chapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Ebook Textbook of dental anatomy and oral physiology: Part 2 been given modest importance. Though the deciduous teeth have been given less significance than to the permanent teeth, they are nevertheless important and will be discussed in this chapter.Until the last decade or so, most parents were responsible of ignoring the value of the deciduous teeth of th Ebook Textbook of dental anatomy and oral physiology: Part 2eir children. However, it is very unfortunate that, many dentists also overlooked deciduous teeth. As a consequence, the primary' teeth were considereEbook Textbook of dental anatomy and oral physiology: Part 2
d as simply a transitory phase in the more important process of getting a brand new set of permanent dentition.Occasionally, deciduous teeth were giveChapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Ebook Textbook of dental anatomy and oral physiology: Part 2ses due to or lack of or this attitude of treatment resulted in loss of space with the potential for crowding and malocclusion in the permanent dentition. Fortunately, at present attitudes have changed and the dental profession along with the general public have an extra practical importance of the Ebook Textbook of dental anatomy and oral physiology: Part 2primary teeth.As indicated earlier in chapter one. there are a total of twenty deciduous teeth, five per quadrant. Each quadrant has two deciduous incEbook Textbook of dental anatomy and oral physiology: Part 2
isors and one canine in the anterior segment, similar to that of the permanent dentition. However, deciduous teeth exhibit a functional role similar tChapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Ebook Textbook of dental anatomy and oral physiology: Part 2h•Temporary' teeth•Juvenile teeth•Lacteal teeth.Most important functions of deciduous dentition are as follows:•Cutting, shearing, grinding and mastication of food substances•Maintenance of normal facial appearance•Formulation of normal speech during development•For proper diet, in turn for general Ebook Textbook of dental anatomy and oral physiology: Part 2development of an individual (if missing or badly decayed, the child will have food rejection habit)https://khothuvien.coniDeciduous Dentition 129•ToEbook Textbook of dental anatomy and oral physiology: Part 2
prevent spread of infection and inflammation to the underlying permanent teeth•For the maintenance of space in the arch•Directs path of eruption for tChapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Ebook Textbook of dental anatomy and oral physiology: Part 2 describing the deciduous teeth in detail as much as the permanent teeth, greater use of comparisons will be made in the subsequent part of this chapter.MAXILLARY CENTRAL INCISOR (FIG. 9.1)The deciduous maxillary central incisor is similar in many aspects to its permanent successor. Il is analogous Ebook Textbook of dental anatomy and oral physiology: Part 2in the position, function and relative shape. In addition to the earlier general features, there arc two major specific distinctions to be made out wiEbook Textbook of dental anatomy and oral physiology: Part 2
th the permanent maxillary central incisor. The differences arc as follows:•No mammclons arc noted in newly erupted teeth•It is the only anterior tootChapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Ebook Textbook of dental anatomy and oral physiology: Part 2e permanent central. The labial surface is generally convex, smooth and rarely exhibits developmental depressions or grooves. The incisal outline is relatively flat, lacks manunelons and usually slopes toward the distal. The distoincisal angle is slightly more rounded than the mesioincisal angle. Th Ebook Textbook of dental anatomy and oral physiology: Part 2e cervical line curves evenly toward the root.Mesial view130 Textbook of Dental Anatomy and Oral PhysiologyLingual AspectHie cingulum is prominent andEbook Textbook of dental anatomy and oral physiology: Part 2
extends incisally than on the permanent tooth. I lie marginal ridges are also more prominent and the fossa is deeper.Chapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition has Chapter9Deciduous DentitionManjunatha BS, Rajashekhara BS. Mallikarjuna M RachappaINTRODUCTIONUntil now in this textbook, the deciduous dentition hasGọi ngay
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