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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05637372
Other study ID # NKBBN/1043/2021-2022-SCGA
Secondary ID
Status Completed
Phase
First received
Last updated
Start date July 20, 2022
Est. completion date October 20, 2022

Study information

Verified date November 2022
Source Medical University of Gdansk
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

The aim of the following study was to investigate the existence of a statistically significant correlation between the incisal features (incisal guidance angle, interincisal angle, overbite, overjet), temporomandibular joint (TMJ) morphology and its function. The hypothesis was: I. The protrusive movement of the mandible does correlate with the TMJ anatomy. II. The protrusive movement of the mandible does not correlate with the incisal features. III. The position and relationship of upper and lower permanent incisors do not have a direct and significant effect on the TMJ morphology in young adults.


Description:

The study was based on anatomical and functional measurements of the parameters within the masticatory system. The study group was composed in a way that all the participants (age 20-24) had the temporomandibular joints fully developed and at the same time not yet modified by adaptive processes.


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date October 20, 2022
Est. primary completion date August 19, 2022
Accepts healthy volunteers
Gender All
Age group 20 Years to 24 Years
Eligibility Inclusion Criteria: - 20-24 years old Exclusion Criteria: - history of trauma, orthodontic treatment or temporomandibular disorders

Study Design


Related Conditions & MeSH terms


Intervention

Radiation:
CBCT
CBCT scan

Locations

Country Name City State
Poland Dental Sense Medicover Gdansk Województwo Pomorskie

Sponsors (1)

Lead Sponsor Collaborator
Medical University of Gdansk

Country where clinical trial is conducted

Poland, 

References & Publications (6)

Dawson PE. Determining the determinants of occlusion. Int J Periodontics Restorative Dent. 1983;3(6):8-21. No abstract available. — View Citation

Han S, Shin SM, Choi YS, Kim SY, Ko CC, Kim YI. Morphometric analysis for evaluating the relation between incisal guidance angle, occlusal plane angle, and functional temporomandibular joint shape variation. Acta Odontol Scand. 2018 May;76(4):287-293. doi: 10.1080/00016357.2017.1420227. Epub 2018 Jan 11. — View Citation

Luca, L.; Manfredini, D.; Arveda, N.; Rossi, L.; Siciliani, G. A Cone-Beam Computerized Tomography Assessment of the Relationship between Upper Incisors Inclination and Articular Eminence Features in Orthodontically Untreated Patients with Different Facial Type. J World Fed Orthod 2016, 5 (2), 56-63. https://doi.org/10.1016/j.ejwf.2016.05.001

Manfredini D, Lombardo L, Siciliani G. Temporomandibular disorders and dental occlusion. A systematic review of association studies: end of an era? J Oral Rehabil. 2017 Nov;44(11):908-923. doi: 10.1111/joor.12531. Epub 2017 Jul 2. — View Citation

Prasad KD, Shah N, Hegde C. A clinico-radiographic analysis of sagittal condylar guidance determined by protrusive interocclusal registration and panoramic radiographic images in humans. Contemp Clin Dent. 2012 Oct;3(4):383-7. doi: 10.4103/0976-237X.107419. — View Citation

Shreshta P, Jain V, Bhalla A, Pruthi G. A comparative study to measure the condylar guidance by the radiographic and clinical methods. J Adv Prosthodont. 2012 Aug;4(3):153-7. doi: 10.4047/jap.2012.4.3.153. Epub 2012 Aug 28. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Sagittal condylar guidance angle during protrusion recorded with axiograph evaluated within 24h from baseline visit
Primary Vertical height of the temporomandibular joint fossa measured on Cone Beam Computed Tomography evaluated within 24h from baseline visit
Primary Sagittal condylar guidance angle on Cone Beam Computed Tomography conducted in 4 variants of measurements evaluated within 24h from baseline visit
Primary Features of the incisors incisal guidance angle, interincisal angle, overjet, overbite measured on Cone Beam Computed Tomography evaluated within 24h from baseline visit
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