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The tooth of choice to replace a tooth missing in the anterior maxillary region is the maxillary second premolars. Poor prognosis first permanent molars can be replaced with third molars Autotransplantation has the best outcome in growing patients with some root development complete but incomplete development at the apex.
Type II involves a greater eruption pattern, not complete, among the teeth distal to the most mesial affected tooth. It is difficult to diagnose between these two types of failure of eruption because 2nd molar does not erupt until a patient is 15 years of age. Plenty of times, patient's receive orthodontic care much before they turn 15 years old.
Tipping movement occurs where the first molars are angled backwards when the second molar has not erupted yet. In addition, the treatment duration for distalization of first molars increases if the second molar has already erupted. Therefore, distalization of first molars is recommended prior to eruption of the second molars. [5]
The Hall technique can also be used with permanent first molars in some cases where prognosis is poor, such as where first permanent molars are hypomineralised, carious with poor prognosis but to be maintained until full eruption of second molars, or for cuspal coverage of endodontically treated teeth in minors with compliance issues preventing ...
They also point to the fact that there is an increase in the rate of post-operative periodontal disease on the second molar, [7] difficulty of surgery and post-operative recovery time with age. [8] The UK has also seen an increase in the rate of dental caries on the lower second molars increasing from 4–5% prior to the NICE guideline to 19% ...
The deciduous maxillary second molar is the most likely deciduous tooth to have an oblique ridge. In the universal system of notation, the deciduous maxillary second molars are designated by a letter written in uppercase. The right deciduous maxillary second molar is known as "A", and the left one is known as "J".
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