Patron and path the mandibular opening in children with mixed dentition
DOI:
https://doi.org/10.47990/alop.v1i2.94Keywords:
movements, TMA disorders, children, mixed dentitionAbstract
Introduction: The path of the mandibular opening and the mandibular movements’ values that show can be an excellent parameter to detect any anomaly timely manner at the level of the temporomandibular complex.
The normal path of the mandibular opening in adults is between 53 and 58 mm, with an average of 40 mm, a child from age 7 can achieve this average mouth opening. Only 1.2% of young adults open less than 40 mm, therefore a smaller mouth opening can be classified as restricted according to age and size of the patient.
The aim of determine the pattern and path of the mandibular opening with a validated diagnostic method, a descriptive study, included 139 healthy children with mixed dentition full 8 to 12 years old. Results showed that 30.9% of children presented an altered pattern of mandibular opening, left mandibular deviation being corrected often (16.5%), the average mouth opening was 50±4.77mm. and lateral movements to the right 8.3±3.1 mm and left of 8.45±3.0mm. Conclusion: the mandibular opening in the mixed dentition is within the path described for adults in the literature, with a significant rate alteration in the pattern of mouth opening, which can be considered one of the first signs of abnormal function Temporomandibular system.
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