Caries,Dental Clinical Trial
Official title:
Functional Evaluation of CAD/CAM Onlays Fabricated by Subtractive Versus Additive Digital Manufacturing Techniques. A One Year Randomized Clinical Trial.
Verified date | May 2023 |
Source | Ain Shams University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Aim of the study: The aim of this RCT is to evaluate CAD/CAM onlays fabricated by subtractive technique (brilliant crios) versus additive technique (varseosmile crown plus material), in terms of clinical functional evaluation following the FDI criteria and three-dimensional digital evaluation of the marginal and internal fit by triple scan protocol. Materials and methods: A total of 30 patients will be enrolled in the clinical trial following the eligibility criteria. Then, the patients will be randomly allocated to receive either 3D printed onlays or milled ones. A blinded operator will prepare a standardized cavity for the restoration and an impression will be performed. After designing the restoration on the Exocad software, A dentist not involved in the clinical part of the study will receive the STL file of the design and envelopes containing the information necessary only to manufacture the restorations (tooth numbers and restorative materials) to proceed with either the milling or printing procedures. Try in and cementation procedures will be similarly performed for both groups by a blinded operator. Finally, the marginal and internal fit will be evaluated by using the triple scan protocol for digital 3D assessment. Also, a baseline, six months and 12 months assessments will be performed by a blinded examiner, not involved in the clinical part for assessing the functional clinical performance of the re3stprations using the FDI criteria. Finally, the data will be statistically analyzed.
Status | Not yet recruiting |
Enrollment | 30 |
Est. completion date | May 1, 2025 |
Est. primary completion date | December 1, 2024 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 50 Years |
Eligibility | Inclusion Criteria: 1. Presence of caries lesion, defective amalgam, or composite restorations in posterior dentition (molars), suitable for the restoration with ceramic onlays. 2. Presence of antagonist tooth. 3. Adult patients (age: 18-50 years) of both genders. 4. Good general and oral health; Able to tolerate necessary restorative procedures and willing to sign an informed consent. 5. Absence of orthodontic appliances. 6. Absence of malocclusion and tooth malformation. Exclusion Criteria: 1. Presence of non-carious cervical lesions. 2. Pregnant women. 3. Allergy to any of the restorative materials. 4. Mobile teeth, indicating periodontal disease or trauma. 5. External or internal resorption. |
Country | Name | City | State |
---|---|---|---|
n/a |
Lead Sponsor | Collaborator |
---|---|
Ain Shams University |
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Marginal and internal fit. | three-dimensional digital evaluation by triple scan protocol in microns | Immediate after treatment | |
Secondary | clinical functional evaluation . | clinical functional evaluation following the FDI criteria by clinical examination performed by trained investigators | one year |
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