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Revista clínica de periodoncia, implantología y rehabilitación oral

versión On-line ISSN 0719-0107

Resumen

CORDERO, Erita; MUNOZ, Maximiliano; ESPINOZA, Iris  y  PANTOJA, Roberto. 23 years of dentofacial deformities patients treated in a tertiary referral hospital in chile. retrospective study. Rev. Clin. Periodoncia Implantol. Rehabil. Oral [online]. 2019, vol.12, n.1, pp.15-18. ISSN 0719-0107.  http://dx.doi.org/10.4067/S0719-01072019000100015.

Objective:

To determine main characteristics of dentofacial deformities (DDF) patients treated with orthognathic surgery at San Borja Arriarán Clinical Hospital, Santiago, Chile (HCSBA) during the last 23 years.

Materials and methods:

This is a retrospective study, the cases are registered in the electronic database of the oral and maxillofacial service of the HCSBA between 1993 - 2015. Inclusion criteria were patients with a diagnosis of DDF (skeletal class II or III) - not associated with syndromes- who went under orthognathic surgery since 1993 to 2015. Characteristics analysed included: type of DDF, sex and age. Results were described using percentage, mean and standard deviation. Proportion, Student’s Ttest, Exact Fisher Test and a multivariate model were utilized for statistical analysis. A p-value <0.05 was considered significant.

Results:

A total of 1.008 patients were surgically treated. During this period 570 (56,5%) patients underwent orthognathic surgery to correct DDF, 76 (13.3%) for DDF type II and 494 (86.7%) for DDF type III. Most patients intervened were women 366 (64.2%). The mean age was of 23.3 years; 26.9 (SD 10.8) years in class II and 22.8 SD (6.8) years in class III. All differences were statistically significant. The age range with the highest percentage of operations was between 20 - 30 years (55.6%).

Conclusion:

The most frequently operated DDF is type III, the highest percentage being women and young adults between 20 - 30 years.

Palabras clave : Dentofacial deformities; Epidemiology; Orthognathic surgery.

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