Dvornyk V. M., Perepelova T. V., Dobrovolskyi O. V., Shemetov O. V., Lunkova Yu. S.

APPLICATION OF PROVISIONAL CONSTRUCTIONS IN REPLACEMENT OF DEFECTS OF DENTAL ROW COMBINED WITH PATHOLOGICAL ABRASION

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About the author:

Dvornyk V. M., Perepelova T. V., Dobrovolskyi O. V., Shemetov O. V., Lunkova Yu. S.

Heading:

DENTISTRY

Type of article:

Scientific article

Annotation:

Pathological abrasion, combined with dentition defects, leads to changes and restructuring in the entire dentoalveolar system. This study aimed to analyse the use of temporary fixed orthopaedic structures to replace dentition defects in pathological abrasion. Twenty-eight patients aged 47 to 65 years with pathological abrasion of hard dental tissues in combination with Kennedy class III dentition defects were treated and divided into two groups: group I - patients with a 3-4 mm reduced occlusion height, group II - with a 5 mm reduced occlusion height. Patients underwent total restoration of the hard tissues of the existing teeth with replacement of the corresponding defects in the dentition with bridge-like structures, with gradual layering of plastic or replacement with new temporary structures every 3 months, with a total treatment time of 1 year per patient. The results of the study indicate that after 1 year from the start of treatment, the indicators of electromyographic data had a steady tendency to improve, namely, an increase in the amplitude of compression and chewing, a decrease in the duration of the resting phase, and positive changes in the assessment of the integral indicator of the character of the neuro-reflex activity of the masticatory muscles in patients, coefficient "K", from 1.58±0.03 to 1.09±0.03 in the I group of patients in the right muscles and from 1.54±0.02 to 1.08±0, 03 in the left masticatory muscles. Similarly, in the II group of patients: one year after the start of treatment in the right masticatory muscles, this indicator was 1.11±0.04 and 1.13±0.04 in the left masticatory muscles. The use of temporary orthopedic structures made of plastic is expedient, since the restoration of the integrity of the dentition is achieved, as well as the planned restoration of the occlusal height, which, in turn, contributes to the gradual restructuring of myostatic reflexes, the restoration of full-fledged mastication, and subsequently shortens the time of adaptation to the final structures.

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Bibliography:

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Publication of the article:

«Bulletin of problems biology and medicine», 2024 Issue 1, 172, 483-490 pages, index UDC 616.314.2-06:616.314.11/16-007.233]-089.2:616-76/77-022.326

DOI:

10.29254/2077-4214-2024-1-172-483-490