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30-degree inclination for PDT best for anterior crossbite in deciduous dentition
Researchers have found in a new study that 30-degree inclination for the PDT is the most appropriate for the cases of anterior crossbite in the deciduous dentition.
The study has been published in the European Journal of Dentistry.
This study aimed to evaluate the influence of three different inclinations of the incisal edge of Planas direct tracks (PDTs) on the upper deciduous incisors (15, 30, and 45 degrees) through simulations using the finite-elements method.
A three-dimensional virtual model of tooth 51 was elaborated by using the Rhinoceros computer-aided design (CAD) software. A mesh was constructed by using the Patran software, and the evaluations were processed by using the ANSYS 15.0 software. The geometry of the elements used consisted of a triangular-base tetrahedron composed of 2,167,386 elements and 3,012,995 nodal points.
Results:
Progressive alterations of proportional intensity and distribution were seen in the areas of tension on the dentoalveolar structures, with increasing inclination of the edge of the PDT. The tractive contact tensions were seen to be concentrated in the vestibular apical thirds and palatine cervical thirds, while the compressive contact tensions were in the palatine apical thirds and vestibular cervical thirds.
It was concluded that a 30-degree inclination for the PDT was most appropriate for the cases of anterior crossbite in the deciduous dentition. Nevertheless, because this was a laboratory evaluation, clinical criteria and complementary examinations for each case need to be taken into consideration in making therapeutic decisions.
For further reference Reference log on to:
Gabriel Ribeiro de Matos , Ruben Ribeiro Neto , Almiro José Machado Júnior , Rui Barbosa Brito Junior. Influence of the Inclination of the Incisal Edge of Planas Direct Tracks on Deciduous Dentition with Anterior Crossbite: Finite-Elements Study. CC BY 4.0 · Eur J Dent 2022; 16(03): 528-535. DOI: 10.1055/s-0041-1735435
Keywords:
Influence, Inclination, Incisal, Edge, Planas, Direct, Tracks, Deciduous, Dentition, Anterior, Crossbite, Finite, Elements, Study, Gabriel Ribeiro de Matos , Ruben Ribeiro Neto , Almiro José Machado Júnior , Rui Barbosa Brito Junior
Dr. Shravani Dali has completed her BDS from Pravara institute of medical sciences, loni. Following which she extensively worked in the healthcare sector for 2+ years. She has been actively involved in writing blogs in field of health and wellness. Currently she is pursuing her Masters of public health-health administration from Tata institute of social sciences. She can be contacted at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751