Rapid Palatal Expansion and Utilization of E-space in Mixed Dentition: Mechanics that Helps in the Corrective Orthodontic Treatment.

Aim And Objective: The objective of this article was to report two clinical cases, showing the benefits of interceptive treatment using rapid palatal expansion (RPE) and the preservation of E-space.

Background: It is important to follow-up child throughout its development to detect irregularities in their occlusion and to avoid or attenuate orthodontic treatments in the future. Posterior crossbite and transverse maxillary deficiency can easily be corrected by RPE that enhances the width of the maxilla and promotes a gain of space in the arch.

Gingival crevicular fluid volume and periodontal parameters alterations after use of conventional and self-ligating brackets.

Objective: The aim of this study was to evaluate the alterations on plaque index (PI), gingival index (GI), gingival bleeding index (GBI), and gingival crevicular fluid (GCF) volume after use of three different brackets types for 60 days. Setting Participants: The sample comprised 20 patients of both sexes aged 11-15 years (mean age: 13.3 years), with permanent dentition, adequate oral hygiene, and mild tooth crowding, overjet, and overbite.