Three-dimensional evaluation of stability of maxillary displacement after surgically assisted maxillary expansion in adult patients with cleft lip and palate

Chkadua T.Z.; Sogachev G.V.; Cholokava, T.D.; Tekucheva S.V.; Voronin V.A.; Khamkhoev M.B.

doi:https://doi.org/10.17116/stomat202510402148

Chkadua T.Z.

Central Research Institute of Dentistry and Maxillofacial Surgery;
I.M. Sechenov First Moscow State Medical University (Sechenov University)

SPIN RSCI: 8514-1650
Scopus AuthorID: 36130854500
ORCID: 0000-0001-8270-8843

Sogachev G.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0003-4432-8393

Cholokava, T.D.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0009-0004-8589-0504

Tekucheva S.V.

Central Research Institute of Dentistry and Maxillofacial Surgery Ministry of Health of Russia

ORCID: 0000-0002-4628-7372

Voronin V.A.

N.I. Pirogov Russian National Research Medical University of the Ministry of Health of the Russian Federation

ORCID: 0009-0009-1686-9791

Khamkhoev M.B.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0009-0002-2830-4295

Three-dimensional evaluation of stability of maxillary displacement after surgically assisted maxillary expansion in adult patients with cleft lip and palate

Authors:

Chkadua T.Z., Sogachev G.V., Cholokava, T.D., Tekucheva S.V., Voronin V.A., Khamkhoev M.B.

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Journal: Stomatology. 2025;104(2): 48‑53

DOI: 10.17116/stomat202510402148

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To cite this article:

Chkadua TZ, Sogachev GV, Cholokava, TD, Tekucheva SV, Voronin VA, Khamkhoev MB. Three-dimensional evaluation of stability of maxillary displacement after surgically assisted maxillary expansion in adult patients with cleft lip and palate. Stomatology. 2025;104(2):48‑53. (In Russ.)
https://doi.org/10.17116/stomat202510402148

Подписка 2026 Стоматология (Stomatology)

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THE AIM OF THE STUDY

Was to investigate the dynamics of maxillary movement after surgically assisted maxillary expansion in adult patients with cleft lip and palate.

MATERIAL AND METHODS

The study involved 15 adult patients aged 18—47 divided into three groups based on upper jaw pathology. Group 1 consisted of 5 patients with the diagnosis of «Upper micrognathia», group 2 included 5 patients with «Upper micrognathia after a series of surgeries for unilateral cleft lip and palate» and group 3 comprised 5 patients with diagnosis of «Upper micrognathia after a series of surgeries for bilateral cleft lip and palate». Movement of the maxillary fragments was measured 3 and 6 months after activation using cone beam computed tomography and intraoral scanner data. The data was analyzed using specialized software Amira 5.4.5 to create a 3D-model of the upper jaw. This allowed for precise measurement and analysis of the movement of the maxilla over time.

RESULTS

Despite the initial goal of surgically assisted maxillary expansion being to correct transverse deficits it has been found that spatial changes occur in all planes and axes. Patients with upper micrognathia resulting from bilateral cleft lip and palate are more likely to experience recurrence of displacement of the fragments of the upper jaw following expansion, compared to patients with a unilateral cleft during the postoperative period. The most favorable stability indicators were noted among patients without clefts.

CONCLUSION

Comparison of three-dimensional jaw models obtained from CT and intraoral scanning data allows for accurate visualization and calculation of changes occurring in the postoperative period and can be the method of choice in dynamic monitoring of patients.

Keywords:

cleft lip and palate

transversal maxillary discrepancy

maxillary hypoplasia

distraction ostegenesis

orthognatic surgery

Authors:

Chkadua T.Z.

Central Research Institute of Dentistry and Maxillofacial Surgery;
I.M. Sechenov First Moscow State Medical University (Sechenov University)

SPIN RSCI: 8514-1650
Scopus AuthorID: 36130854500
ORCID: 0000-0001-8270-8843

Sogachev G.V.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0000-0003-4432-8393

Cholokava, T.D.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0009-0004-8589-0504

Tekucheva S.V.

Central Research Institute of Dentistry and Maxillofacial Surgery Ministry of Health of Russia

ORCID: 0000-0002-4628-7372

Voronin V.A.

N.I. Pirogov Russian National Research Medical University of the Ministry of Health of the Russian Federation

ORCID: 0009-0009-1686-9791

Khamkhoev M.B.

Central Research Institute of Dentistry and Maxillofacial Surgery

ORCID: 0009-0002-2830-4295

Received:

14.02.2025

Accepted:

20.02.2025

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