Mandibular Flexure in Patients

University of Rome Tor Vergata

Status: Completed

Conditions: Mandibular Flexure

Treatments: Diagnostic Test: Mandibular flexure evaluation

Study type: Interventional

Funder types: Other

Identifiers

NCT05718050

2018065

Details and patient eligibility

About

The flexion of the mandible (MF) is a multifactorial phenomenon that occurs simultaneously with mandibular movements determining changes in the shape of the mandible. mandibular flexure (MF) may cause complications and failures in both conventional and implant-supported fixed dental prostheses (FDP) especially when a long-span prosthesis is planned to connect the anterior to the posterior region of the mandible. Previous studies reported increased biomechanical stress at the prosthetic and implant level, poor passivity of fit, impression distortion, pain during function, de-cementation of the prosthesis, porcelain chipping, prosthetic screw loosening and fracture, bone resorption and implant fracture. The aim of this study is to quantify the dimensional changes related to MF by means of a cone beam computed tomography (CBCT) between maximum opening (MO) and maximum intercuspation (OVD) positions. The null hypothesis was that there is no significant difference in terms of length and width of the mandible between maximum intercuspation and maximum opening positions.

Enrollment: 21 patients

Sex: All

Ages: 18+ years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Dentate patients,
• 18 years of age or older,
• Good health
• Need of implant treatment

Exclusion criteria

• active periodontitis with tooth mobility
• neuromuscular disorders
• temporomandibular joint disorders
• parafunctional habits
• systemic condition preventing surgery
• history of oro-maxillofacial radiation therapy
• history of drug or alcohol abuse
• heavy smoking
• uncontrolled diabetes
• pregnancy
• lactation.

Trial design

Primary purpose: Diagnostic

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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21 participants in 1 patient group

Flexure

Experimental group

Description:

Dentate patients, 18 years of age or older, in good health and, in need of implant treatment

Treatment:

Diagnostic Test: Mandibular flexure evaluation