A Clinical Trial of Proximal Composite Restorations

Aga Khan University188 enrolled

Overview

Several techniques have been advocated to get good contacts in dental composite restorations including interdental separation ring. The investigators study focuses on using separation ring with circumferential matrix band instead of a sectional band. Moreover, the investigators have attempted to study proximal tightness and proximal contours of composite restoration as separate variables

A total of 188 premolar teeth with proximal cavity to be assigned on alternate basis in two groups. Intervention group teeth received Automatrix band after cavity preparation followed by the separation ring using clamp while the control group received Automatrix band alone. All teeth to be restored with P-60 composite restorative material(3M-ESPE Dental, USA). Outcome (proximal tightness) is determined by a blinded assessor just after the restoration.

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

SINGLE

Enrollment

188

Conditions

Class II Caries in Premolars

Interventions

Separation ringDEVICE

Separation ring placed along with automatrix band

automatrix bandDEVICE

band placed with a tightening device

Eligibility

Sex: ALLMin age: 18 YearsMax age: 65 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * patients who had supra gingival Class II cavities in permanent premolars. Teeth with cavity isthmus less than one-third of intercuspal distance were inducted Exclusion Criteria: * Partially erupted teeth, teeth with non-carious tooth surface wear or with orthodontic bands or brackets or whose adjacent tooth continuous with the cavity side is missing were excluded.

Locations (1)

Dental Clinics, Aga Khan University Hospital

Karachi, Sindh, Pakistan

Outcomes

Primary Outcomes

proximal tightness

The tightness of the proximal contact area resulting from either of the two matrix band system. It was measured using a nine inch long nylon dental floss (Johnson and Johnson, USA).

Time frame: 1 day (just after dental restoration)

Secondary Outcomes

proximal contours

To be examined clinically with an explorer and mouth mirror and then on the periapical radiograph by the blinded co investigator.

Time frame: 1 day (just after restoration placement)

Data from ClinicalTrials.gov

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