Stability of surgically assisted rapid palatal expansion with and without retention analyzed by 3-dimensional imaging

Changes in mandibular incisor position and arch form resulting from Invisalign correction of the crowded dentition treated nonextraction

“…Intercanine width was measured from cusp tip to cusp tip, interpremolar width was measured from the palatal cusp of the first premolars, and intermolar width was measured from the mesiolingual cusp tip of the first molars. 11 In cases of attrition or restorative work the estimated cusp tip was used. 12 An ANCOVA test statistic was used to determine if there was a statistically significant difference in the arch width following treatment with Invisalign.…”

Treatment effects of various prescriptions and techniques for fixed orthodontic appliances

“…The Mean Difference (MD) and the Relative Risk (RR) with their corresponding 95% Confidence Interval (CI) were chosen as effect measures for continuous and binary outcomes, respectively. As the outcome of fixed appliance treatment is bound to be affected by characteristics of the used brackets, archwires, and auxiliaries [26][27][28], a random-effects model according to DerSimonian and Laird [10] was deemed clinically and statistically appropriate for meta-analysis [24]. However, no meta-analyses of two or more studies, assessment of between trial heterogeneity, and additional analyses (subgroup or meta-regression analyses, and sensitivity analyses) could be conducted due to the limited number of included studies.…”

Surgically-assisted rapid maxillary expansion (SARME): indications, planning and treatment of severe maxillary deficiency in an adult patient

“…At seven months after SARME, MPS density stills has only 50% to 75% of pre-treatment values on CT scans. 14 A transpalatal arch used for retention after SARME also does not improve dentoskeletal stability 29 . SARME effects include an increase in maxillary alveolar width and maxillary intercanine and intermolar disatances; 3,5,11,22 correction of posterior crossbite; reduction of palate height; significant increase in palate width; 3 and increased maxillary arch perimeter 11 and length.…”

“…At seven months after SARME, MPS density stills has only 50% to 75% of pre-treatment values on CT scans. 14 A transpalatal arch used for retention after SARME also does not improve dentoskeletal stability 29 .…”