Effect of Different Cavity Designs on the Clinical Performance of 3D- Printed Resin Composite Partial-Coverage Restorations in Vital Molars
Effect of Different Cavity Designs on the Clinical Performance of 3D- Printed Resin Composite Partial-Coverage Restorations in Vital Molars With Complex Cavities: An 18 Month Randomized Clinical Trial
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Adult patients aging 20-45 years.
- Healthy males and females
- Patients with good oral hygiene
- Patients presenting with at least one eligible permanent molar requiring a partial-coverage restoration.
- Patients willing and able to attend scheduled follow-up visits for 18 months.
- Permanent maxillary or mandibular molars.
- Vital teeth with a positive response to cold thermal testing.
- Complex Large or severely compromised cavities resulting from primary or secondary caries (ICDAS 5 or 6) and/or replacement of large defective restorations with at least 2 missing cavity walls requiring overlay restorations
- Well-formed and fully erupted in normal functional occlusion with natural antagonist and adjacent teeth.
- Absence of any radiographic, periodontal or periapical changes.
Exclusion Criteria:
- Participants with general/systemic illness.
- Pregnant or lactating females.
- Concomitant participation in another research study.
- Inability or unwillingness to comply with study visits and procedures.
- Heavy bruxism or other parafunctional habits
- Known allergic reactions against any components of the used materials
- Patients receiving orthodontic treatment.
- Poor oral hygiene or high caries activity.
- Non vital teeth.
- Hypersensitive teeth.
- Teeth with prior endodontic treatment.
- Teeth with spontaneous pain or signs/symptoms of irreversible pulpitis.
- Teeth with advanced periodontal disease or mobility.
- Teeth with a history of direct or indirect pulp capping procedure.
- Teeth with vertical root fractures or cracked tooth syndrome
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Tredobbelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Eksperimentel: Anatomical cavity design preparation
Following caries excavation and removal of defective restorations, cavity preparations will be carried out according to the accepted principles of adhesive overlays.
The cavity walls will be prepared with 6-12° internal axial wall divergence using blue-coded tapered round-end diamond burs (Komet, USA) and subsequently finished using extra-fine yellow-coded tapered round-end diamond burs (#368EF, Komet, USA).
The thickness of potentially maintainable cusps will be assessed using a dental caliper (Diamonds Surgical Instruments, Pakistan).
Weakened or undermined cusps (less than 2 mm thickness) will be reduced using the same diamond burs to create an anatomical occlusal reduction following the natural tooth morphology, with a reduction of 2 mm.
|
Cavity preparation design for adhesive restoration
|
|
Aktiv komparator: Butt joint cavity design preparation
The cavity walls will be prepared with 6-12° internal axial wall divergence using blue-coded tapered round-end diamond burs (Komet, USA) and subsequently finished using extra-fine yellow-coded tapered round-end diamond burs (#368EF, Komet, USA).
The thickness of potentially maintainable cusps will be assessed using a dental caliper (Diamonds Surgical Instruments, Pakistan).
The occlusal reduction design, where weakened or undermined cusps will be reduced using a wheel stone (#909, Komet, USA) to create a flat butt-joint occlusal design with a uniform occlusal reduction of 2 mm.
Additional reduction will be performed when necessary, and the available interocclusal clearance will be verified using a graduated periodontal probe in maximum intercuspation and eccentric movements.
|
Cavity preparation design for adhesive restoration
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Fracture
Tidsramme: 18 Months
|
Modified USPHS Ryge Criteria (Ordinal scoring system)
|
18 Months
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Retention, marginal integrity, marginal discoloration, wear/anatomic form, secondary caries and surface texture
Tidsramme: 18 Months
|
Modified USPHS Ryge Criteria (Ordinal scoring system)
|
18 Months
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- Effect of Cavity Designs
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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