PAEDIATRIC DENTISTRY - 3rd Ed. (2005)

13.2.3 Treatment The care of children with multiple missing teeth can be complex and ideally requires multidisciplinary input fr ...

symmetrically, hence the presence of a supernumerary in one part of the jaws should lead to consideration of further supernumera ...

size (and shape). Teeth which are obviously larger than normal are referred to as megadont or macrodont whereas teeth which are ...

798H Fig. 13.8 Megadont tooth 11, absent tooth 12. 799H Fig. 13.9 Isolated microdontia affecting 22 in a female. Gingival archit ...

to truncation of the roots of teeth whose roots were developing at the time of treatment (801HFig. 13.10 (a) and (b)). 802H Fig. ...

composite. 13.5 ABNORMALITY OF TOOTH FORM 13.5.1 Abnormality of crown form Fusion and gemination Some cases of megadont crowns a ...

on many factors including space available within the arch, the morphology of the pulp chambers and/or root canals and the degree ...

13.5.2 Accessory cusps Extra cusps are not uncommon in the human dentition and may occur in both the primary and permanent denti ...

813H Fig. 13.15 Evagination⎯talon cusp with plaque accumulation and interfering with the occlusion. 814H Fig. 13.16 Evaginations ...

an infolding lined by enamel within the crown of the tooth, sometimes extending into the root. An invagination of enamel epithel ...

818H Fig. 13.17 Infected, palatal invagination, tooth 12. 819H Fig. 13.18 Infected, invaginated odontome, tooth 12. 13.5.4 Evagi ...

Permanent molar teeth may also be affected. Typically there is a small tubercule on the occlusal surface of the premolar in the ...

be difficult to identify radiographically. Accessory roots have been reported to occur in 1-9% of the primary dentition and from ...

823H Fig. 13.19 Turner tooth. Hypoplastic lower premolar⎯previous infection in primary tooth. 824H Fig. 13.20 Regional odontodys ...

Enamel defects; Hypoplasia⎯deficient matrix; Hypomineralisation⎯poor mineralisation. Amelogenesis imperfecta Amelogenesis impe ...

gene is on one of the autosomes there is a 50% chance of an affected individual passing this on to each offspring. Males and fem ...

have an alteration in the amelogenin gene on the short arm of the X chromosome. Affected males cannot pass on the condition to t ...

Profound hypomineralization leads to teeth so soft that they are reduced in size although this is, in fact, a later change. Mola ...

so that a band of abnormal enamel is seen in horizontal distribution at some part on the tooth crown. Typically this results in ...

Local factors As well as the possibility of damage to the forming teeth that may be caused by dental injuries (843HFig. 13.36) ( ...