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International journal of interdisciplinary dentistry

versión impresa ISSN 2452-5596versión On-line ISSN 2452-5588


VILLARROEL, Tannia et al. Midpalatal Sutural Maturation in Chilean Adolescents and Young Adults: Cross-sectional Study. Int. j interdiscip. dent. [online]. 2021, vol.14, n.2, pp.140-143. ISSN 2452-5596.


To evaluate midpalatal suture maturation in Chilean adolescents and young adults through morphological assessment of cone-beam computed tomography images of the maxilla.

Materials and methods:

Analysis of the midpalatal suture of 150 subjects aged between 15 and 30 was performed, selected from a university clinical center radiological database. Sutural maturation was evaluated in the axial cross-section, using the method described by Angelieri et al., classifying it in five stages (A, B, C, D and E). Pearson’s correlation tests were used to assess intra- and inter-examiner agreement, and T-Student for assessing differences between genders.


The most frequent maturation stage was C (43.3%), followed by E (33.3%) and D (22%). In men, stage C was more frequent (49%), while in women it was stage E (39%). However, no statistically significant differences were found between genders.


Although the majority of the sample presented a late stage of sutural maturation, 45% presented states of sutural maturation where the expansion of a non-surgical nature would be possible. Due to the variability observed in adolescents and young adults, individual evaluation with 3D imaging is recommended.

Palabras clave : Cranial Sutures/Palate; Hard/ Growth; Development.

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