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1st month. 6th month. 1st month. 6th month. LINGUAL FRENULUM AT THE FIRST MONTHS OF LIFE. Roberta Lopes de Castro Martinelli, Irene Queiroz Marchesan. INTRODUCTION.

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  1. 1st month 6th month 1st month 6th month LINGUAL FRENULUM AT THE FIRST MONTHS OF LIFE Roberta Lopes de Castro Martinelli, Irene Queiroz Marchesan INTRODUCTION Anatomical variations of the lingual frenulum are a controversial subject among the different groups of health professionals, and poorly described in the literature. Some authors report that tongue frenulum in newborns connects the apex of the tongue to the base of the mandibular alveolar process, and during bone development and growth, the lingual frenulum moves to the central position, on the tongue's underside midline. For this reason, these authors believe that the alteration diagnosis should not be carried out before five years of age. They also state that because of growth, the frenulum may stretch or be elongated, or undergo a spontaneous rupture. However, the findings in the literature do not correspond to the findings of clinical practice. Recently, studies have reported that the anatomical variations of the lingual frenulum are due to embryological remnant of tissue in the midline between the undersurface of the tongue and the floor of the mouth. That may explain the variations of lingual frenulum as well as the divergence among the authors. PURPOSE Compare the development of the lingual frenulum in infants at the 1st and 6th months of life to observe possible changes. METHODS • the study was approved by the Committee of Ethics in Research of CEFAC Saúde e Educação, under No. 019-10. • video recordings of 25 infants of both genders were taken at the 1st and 6th months of life. • the videos were analyzed by three speech-language pathologists, specialists in orofacial myology. • anatomical aspects of frenulum, thickness, attachment to the tongue and to the floor of the mouth were evaluated. RESULTS 25 infants were evaluated at the first month of life. Lingual frenulum was visible in only 17 infants (Table 1). At six months the infants were re-evaluated. Changes concerning thickness, attachment to the tongue and to the floor of the mouth did not occur. Table 1 – Comparison of anatomical aspects CONCLUSION Lingual frenulum changes concerning thickness, attachment to the tongue and to the floor of the mouth were not observed between the first and the sixth months of life.

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