Morphometric analysis of the upper lip frenulum during growth and development of the child aged 0 to 12 years

Abstract

Objective: To establish a morphometric analysis of the upper lip frenulum during the growth and development of the child aged 0 to 12 years in the Naguanagua Municipality period March-September 2016. Materials and Methods: A descriptive research with a field design was performed. The target population was 650 children, the sample taken was 260 subjects, distributed in 31% First Infancy 23% Second Infancy and 46% Third Infancy. Photographs of the bridle were taken, taking 10 landmarks for the structure conformation, being processed for analysis with the Software, TpsDig2, Past, IMP7 and Morphoj. Results: the area that presented greater overlap in all groups was that of gingival insertion, while the labial insertion presented greater variation, in terms of the deformation of the structure in all the stages there was development in horizontal sense in the labial insertion. The mean upper lip frenulum measurement was established between 11 to 13mm, ± 1-2mm of deviation. The gingival insertion to the interincisal papilla presented an average measure of 1 to 3 mm. ± 1 mm. Conclusions: the upper labial frenulum at birth is physiologicallyw tectolabial, presenting a development of 1 to 2 mm during the first year of life in its area of gingival insertion exclusively, remaining stable without repositioning or modification in length until adolescence, The morphometric analysis of the upper lip frenulum in all types of dentition said structure showed similarities indicating its stability in the different ages of the infant.