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Year : 2022  |  Volume : 11  |  Issue : 1  |  Page : 13

Cranio-cervical posture and rapid palatal expansion therapy

1 Department of Oral and Maxillofacial Sciences, “Sapienza” University of Rome, Italy
2 Faculty of Dentistry, Central University of Venezuela, Caracas, Venezuela

Correspondence Address:
Emanuela Serritella
Department of Oral and Maxillofacial Sciences, “Sapienza” University, Via Caserta, 6-00161 Rome
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jos.jos_128_21

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Objective: Connections between craniocervical posture (CCP) and changes in teeth position have already been demonstrated; however, the defined pathway of relationship is still not clear. The aim of this study was to evaluate CCP modifications after rapid maxillary expansion therapy using rapid palatal expansion therapy (REP)/McNamara appliances. Materials and Methods: A consecutive series of 35 subjects, aged between 6 and 14 years, with no prior history of orthodontic treatment, and requiring skeletal expansion of the upper arch, were selected and analyzed. All patients were treated with REP or Mcnamara appliance: the active phase of 15 days and retaining phase of 6 months. Cephalometric analysis was carried out before (T0) and after (T1) orthodontic therapy evaluating changes in the craniofacial area and those related to CCP. The obtained data were statistically analyzed for the pre-post changes. Results: No statistically significant difference emerged indicating a modification in the CCP measured at T0 and T1 (P > 0.05). Patients treated with the McNamara appliance, compared to those treated with REP, showed a higher value of the angle OPT ^ Ver (P = 0.021), and a lower measure of the angles CVT^EVT (P = 0.035) and EVT^Ver (P = 0.023). Furthermore, patients treated with REP showed a higher hyoid angle value than those treated with McNamara (P = 0.047). Conclusion: This study did not reveal any relationship between the application of palatal expansion therapy and changes in CCP.

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