[Do nasal and nasopharyngeal obstruction and their medical-surgical deobstruction significantly influence facial divergence? A concise review of major clinical studies with meta-analysis].

Introduction: The term « adenoid facies » suggests a causal relationship between nasopharyngeal obstruction and facial hyperdivergence in growing subjects. The strength of this association is controversial and few « quantified » values exist.

Materials And Methods: A rapid electronic search was conducted on PubMed and Embase to find the main cephalometric studies involving patients with nasal/nasopharyngeal obstruction compared to a control sample.

[The influence of obstructive sleep apnea syndrome on orthodontic treatment decisions in children and adolescents. Part 1: OSA phenotypes, treatment temporality and reciprocal effects on growth].

Introduction: Pediatric OSAS is a complex condition, comprising a plurality of clinical signs, complicated by the phenomena of growth. Its etiology is dominated by the hypertrophy of lymphoid organs, but obesity and certain craniofacial and neuromuscular tone abnormalities also contribute.

Material And Method: The authors summarize the interrelations between pediatric OSAS endotypes, phenotypes and orthodontic anomalies.

[The influence of obstructive sleep apnea syndrome on the orthodontic treatment decision in children and adolescents. Part 2 : Which orthodontic treatments for children with apnea?].

Introduction: Sleep-disordered breathing could affect 10% of an orthodontic population. The integration of obstructive sleep apnea syndrome (OSAS) diagnosis could influence the choice of orthodontic techniques or their implementation, with the aim of improving ventilatory function.

Material And Method: The author summarizes the clinical studies using dentofacial orthopedics, alone or in combination with other interventions, in pediatric OSAS or the repercussions of orthodontic interventions on upper airways.

Is the quality of occlusal contacts comparable after aligner and fixed orthodontic therapy? A non-randomized cohort comparison using computerized occlusal analysis during 6 months of retention.

Objective: Less than ideal contacts have been reported following aligner therapy, but it is considered a transitory problem, spontaneously resolving with the phenomenon of settling. : Thirty-nine orthodontic patients (14 treated with aligners; 25 with fixed appliances) were evaluated with a digital occlusal analysis system (T-scan™10), assessing Maximum Intercuspation contact simultaneity, symmetry, and relative force distribution at treatment completion and after 3 and 6 months.

Results: No significant differences in occlusal contact quality were found between groups at treatment completion or follow-up.

Prevalence of malocclusions and oral dysfunctions in children with persistent sleep-disordered breathing after adenotonsillectomy in the long term.

Study Objectives: To evaluate the prevalence of craniofacial/orthodontic abnormalities and oral dysfunctions in a population of children with persistent sleep-disordered breathing despite adenotonsillectomy.

Methods: Medical charts of 4,000 children with sleep-disordered breathing operated on in a tertiary hospital were retrospectively reviewed. Patients reporting persistent sleep-disordered breathing symptoms were invited to an orthodontic/myofunctional evaluation following the Sleep Clinical Score), followed by a 1-night ambulatory type III sleep study.