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In such a case LLA prevents the permanent molars from migrating mesially (forward) thus blocking off the eruption space for the premolar teeth. LLA is also used in order to maintain the so-called "Leeway space", which is the extra space available in the arch when the deciduous molars are exfoliated and replaced by smaller permanent premolars. [1]
In patients who are at high risk of developing caries i.e. patients who have to undergo general anaesthesia for dental treatment due to rampant caries. [24] To protect and restore teeth that may have extensive tooth tissue loss due to erosion, attrition or abrasion. [22] As a support for some dental appliances e.g. space maintainers [22]
Since dental floss is able to remove some inter-proximal plaque, frequent regular dental flossing will reduce inter-proximal caries and periodontal disease risks. [ 1 ] [ 3 ] Results of a high level of evidence meta-analysis recently found that floss may not be the most effective method for interdental cleaning, contrary to common belief at the ...
(February 2022) (Learn how and when to remove this message) Moyer's mixed dentition analysis was created in 1971 by Robert Moyers . This an analysis that is used in dentistry to predict the size of the permanent premolars and canines by measuring the width of the permanent incisors.
In dentistry, the neutral zone refers to that space in the oral cavity where the forces exerted by the musculature of the tongue are equal and balanced with the forces exerted by the buccinator muscle of the cheek laterally and the orbicularis oris muscle anteriorly.
[5] [10] A barrier membrane is utilized in the GBR technique to cover the bone defect and create a secluded space, which prevents the connective tissue from growing into the space and facilitates the growth priority of bone tissue. An added benefit of the membrane is that it provides protection of the wound from mechanical disruption and ...
Tanaka and Johnston analysis is a mixed dentition analysis which allows one to estimate the space available in an arch for the permanent teeth to erupt. This analysis was developed by Marvin M. Tanaka and Lysle E. Johnston in 1974 after they conducted a study on 506 orthodontic patients done in Cleveland at the Case Western Reserve University School of Dental Medicine.
SX files are typically used first as they are shorter in overall length 19mm and so are good in cases of restrictive space. The canal is prepped in the coronal 2/3 with these files as part of the crown-down technique. After this, files named F1, F2, F3 etc. are used with increasing D0 values. These are used to shape the canal.