DOI:

10.37988/1811-153X_2023_4_178

Biomimetic treatment of epitheses for the rehabilitation of maxillofacial defects

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Authors

  • S.A. Nikolaenko 1, 2, PhD in Medical Sciences, full professor, director; executive officer
    ORCID: 0000-0002-7191-4665
  • A.A. Khalapyan 1, 2, dentist; specialist in epithetics
    ORCID: 0000-0001-5414-7217
  • L.A. Shapiro 3, associate professor of the Medical and biological physics Department
    ORCID: 0000-0003-2969-511X
  • 1 Prof. Nikolayenko Clinic, 660127, Krasnoyarsk, Russia
  • 2 “Epitetics” Medical Production Center, 660127, Krasnoyarsk, Russia
  • 3 Krasnoyarsk State Medical University, 660022, Krasnoyarsk, Russia

Abstract

Reconstruction of craniofacial defects remains challenging despite recent advances in surgical techniques. In many cases, maxillofacial prostheses provide effective rehabilitation of complex facial defects as an alternative to surgical reconstruction. The most commonly used materials in maxillofacial prosthetics are silicones, whose specific properties allow a properly fabricated prosthesis to closely mimic the structure and appearance of the lost organ. In combination with functional results, aesthetics play an important role in the patient's self-esteem, identity and social reintegration. Ensuring an acceptable match between the patient's skin colour and the epithesis is an important component of aesthetic success. The purpose of this study was to clinically evaluate the efficacy of the Pantone SkinTone Guide System for modelling patient skin colour in the prosthetic rehabilitation of midface defects.
Materials and methods.
Fifty subjects with defects of various localisations and aetiologies were rehabilitated with rigid silicone elastomer epithetics using CAD/CAM technology. Skin colour was measured using a Capsure RM200 portable colorimeter (X-Rite, USA). For the clinical analysis of the colour adaptation of the designs, patients were interviewed using a specially designed questionnaire.
Results.
All patients rated the quality of the manufactured epithesis positively. The quality of colour matching was rated excellent and good by 44 (88%) patients. Patients felt that the epitheses rarely (36%) or never (48%) attracted the attention of those around them. A clinical example illustrated the satisfactory condition of the epithesis and fixation elements, good colour matching of the epithesis with healthy tissue after 5 years of follow-up.
Conclusion.
Obtaining a high-quality prosthesis with high biocompatibility and biological stability properties in relation to the patient's living tissues leads to a significant improvement in the quality of life and social rehabilitation of patients with maxillofacial defects.

Key words:

epitheses, maxillofacial defects, rehabilitation, adhesive fixation, magnetic fixation, medical silicone, skin color

For Citation

[1]
Nikolaenko S.A., Khalapyan A.A., Shapiro L.A. Biomimetic treatment of epitheses for the rehabilitation of maxillofacial defects. Clinical Dentistry (Russia).  2024; 26 (4): 178—182. DOI: 10.37988/1811-153X_2023_4_178

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Received

August 16, 2023

Accepted

November 9, 2023

Published on

January 16, 2024