NCT07575282

Brief Summary

The study aims to evaluate the clinical performance of Bulk-fill flowable resin-based composite versus submicron hybrid resin-based composite restoration in patients with posterior class I carious cavities.

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
25

participants targeted

Target at below P25 for not_applicable

Timeline
19mo left

Started Aug 2026

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 2, 2026

Completed
6 days until next milestone

First Posted

Study publicly available on registry

May 8, 2026

Completed
3 months until next milestone

Study Start

First participant enrolled

August 1, 2026

Expected
1.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2028

29 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2028

Last Updated

May 8, 2026

Status Verified

May 1, 2026

Enrollment Period

1.5 years

First QC Date

May 2, 2026

Last Update Submit

May 2, 2026

Conditions

Keywords

bulk fill flowable composite

Outcome Measures

Primary Outcomes (1)

  • Clinical performance of the restoration by Modified US Public Health Service Criteria (USPHS).(Mechanical performance) (Anatomic contour).

    18 months

Secondary Outcomes (1)

  • Clinical performance of the restoration by Modified US Public Health Service Criteria (USPHS). (Esthetic and sensitivity).

    18 months

Study Arms (2)

control group

ACTIVE COMPARATOR

patients with simple class I cavities to be restored with Submicron hybrid resin- based composite.

Other: Submicron hybrid resin- based composite.

Intervention group

EXPERIMENTAL

patients with simple class I cavities to be restored with Bulk-fill flowable resin-based composite.

Other: Bulk-fill flowable resin-based composite.

Interventions

patients with simple class I cavities to be restored with Bulk-fill flowable resin-based composite.

Intervention group

Patients with simple class I cavities to be restored with Submicron hybrid resin- based composite.

control group

Eligibility Criteria

Age20 Years - 50 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Co-operative patients approving to participate in the trial
  • Simple class I carious lesion scored based on the International Caries Detection and Assessment System (ICDAS) is code 2 or 3
  • Vital upper or lower molar
  • Presence of favorable occlusion.
  • Presence of opposing teeth.
  • Proper teeth aligment.

You may not qualify if:

  • Patients with poor oral hygiene
  • Bruxism or occlusion abnormalities.
  • Allergic reaction to the materials used.
  • Disabilities
  • Pregnancy
  • Heavy smoking
  • Xerostomia
  • Lack of Compliance
  • TMJ disorders
  • Unwillingness or inability to attend follow-ups.
  • Deep caries close to pulp.
  • Teeth with signs/symptoms of irreversible pulpitis or necrosis.
  • Endodontically treated teeth.
  • Extensive occlusal destruction
  • Periodontal affection

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (9)

  • Arbildo-Vega HI, Lapinska B, Panda S, Lamas-Lara C, Khan AS, Lukomska-Szymanska M. Clinical Effectiveness of Bulk-Fill and Conventional Resin Composite Restorations: Systematic Review and Meta-Analysis. Polymers (Basel). 2020 Aug 10;12(8):1786. doi: 10.3390/polym12081786.

    PMID: 32785019BACKGROUND
  • Atreja A, Bellam N, Levy SR. Strategies to enhance patient adherence: making it simple. MedGenMed. 2005 Mar 16;7(1):4.

    PMID: 16369309BACKGROUND
  • Vishwanath, V., Rao, M.H. and Prasad, B.K., 2021. Clinical performance of a direct submicron hybrid and indirect zirconium reinforced composite restorations: A 2-year assessment. SRM Journal of Research in Dental Sciences, 12(2), pp.79 85.

    BACKGROUND
  • Tyas MJ. Clinical evaluation of glass-ionomer cement restorations. J Appl Oral Sci. 2006;14 Suppl:10-3. doi: 10.1590/s1678-77572006000700003.

    PMID: 19089080BACKGROUND
  • Silva G, Marto CM, Amaro I, Coelho A, Sousa J, Ferreira MM, Francisco I, Vale F, Oliveiros B, Carrilho E, Paula AB. Bulk-Fill Resins versus Conventional Resins: An Umbrella Review. Polymers (Basel). 2023 Jun 8;15(12):2613. doi: 10.3390/polym15122613.

    PMID: 37376259BACKGROUND
  • Parra Gatica E, Duran Ojeda G, Wendler M. Contemporary flowable bulk-fill resin-based composites: a systematic review. Biomater Investig Dent. 2023 Feb 22;10(1):8-19. doi: 10.1080/26415275.2023.2175685. eCollection 2023.

    PMID: 37138762BACKGROUND
  • Hickel R, Roulet JF, Bayne S, Heintze SD, Mjor IA, Peters M, Rousson V, Randall R, Schmalz G, Tyas M, Vanherle G. Recommendations for conducting controlled clinical studies of dental restorative materials. Clin Oral Investig. 2007 Mar;11(1):5-33. doi: 10.1007/s00784-006-0095-7. Epub 2007 Jan 30. Erratum In: Clin Oral Investig. 2008 Mar;12(1):97.

    PMID: 17262225BACKGROUND
  • Canali GD, Ignacio SA, Rached RN, Souza EM. One-year clinical evaluation of bulk-fill flowable vs. regular nanofilled composite in non-carious cervical lesions. Clin Oral Investig. 2019 Feb;23(2):889-897. doi: 10.1007/s00784-018-2509-8. Epub 2018 Jun 12.

    PMID: 29948275BACKGROUND
  • Bayne SC, Schmalz G. Reprinting the classic article on USPHS evaluation methods for measuring the clinical research performance of restorative materials. Clin Oral Investig. 2005 Dec;9(4):209-14. doi: 10.1007/s00784-005-0017-0. No abstract available.

    PMID: 16421996BACKGROUND

Study Officials

  • Rania Sayed Mosallam, professor

    Prof. Dr. Rania Sayed Mosallam

    STUDY DIRECTOR

Central Study Contacts

Huda Mohamed Elsayed Ahmed

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Master Candidate

Study Record Dates

First Submitted

May 2, 2026

First Posted

May 8, 2026

Study Start (Estimated)

August 1, 2026

Primary Completion (Estimated)

February 1, 2028

Study Completion (Estimated)

March 1, 2028

Last Updated

May 8, 2026

Record last verified: 2026-05