Optimization of the design methodology for personalized occlusal plane reconstruction using modern computer technologies for dental prosthetics

Background. In the reconstruction of dental arches, the position of the occlusal plane in clinical practice is often determined using the Camper plane, but a high degree of divergence between the occlusal and Camper planes has been repeatedly confirmed in the literature and cannot be used as a sufficiently stable reference point. In this regard, the search for individual parameters and reference points that could be used for a more predictable determination of the position of the occlusal plane continues.

The aim of the work is to compare the position of the calculated and natural occlusal planes constructed using four author’s methods for determining the position of the occlusal plane in the examined group without dental pathology.

Material and methods. А group of 30 subjects with physiological occlusion corresponding to the first class of Angle was formed. Each participant in the study underwent scanning of the dentition, a computed tomography scan of the maxillofacial region, and a photo protocol. The data were combined in the three-dimensional analysis program «Avantis 3D». The construction of a natural occlusal plane and calculated occlusal planes was carried out, constructed according to the methods proposed by Trezubov V.N. and Kurochkin Yu.K. (1985), R.I. Di Paolo (1987), Roshchin E.M. and Panteleev V.D. (2014), Fadeev R.A. and Timchenko V.V. (2016).

Results. During the analysis, none of the four author’s methods of constructing the occlusal plane studied in the Avantis 3D program allows achieving a complete match of the calculated and natural occlusal planes in 100% of cases. The best results of the four studied methods were obtained when using themethod of Fadeev R.A. and Timchenko V.V. (2.3±0.40°).

Conclusions: the method of R.A. Fadeev and V.V. Timchenko can be recognized as optimal for designing a personalized prosthetic plane using the Avantis 3D program.

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