Clinical Performance of MTA Cavity Lining in the Treatment of Deep Caries Lesions

Clinical Performance of MTA Cavity Lining in the Treatment of Deep Caries Lesions: A 4- Year Randomized Controlled Clinical Trial

Aim of this clinical study is to compare the clinical success of two lining materials regarding the maintenance of pulp vitality in the treatment of deep caries lesions over 4- years.

A hundred permanent premolar and molars with deep caries lesions without pulp involvement (aged between 18 and 30 years) in 73 patients were randomly divided into the following groups: calcium hydroxide cement (Ca(OH)2) (Dycal, Dentsply/Caulk, Dentsply International Inc, Milford, DE, USA) group and mineral trioxide aggregate (MTA) (Dentsplay, Tulsa Dental, Johnson city, USA) group. Final restoration with a resin-based composite (Gradia Direct Posterior, GC, Tokyo, Japan) in a single session was performed. The following-up period was 6-, 12-, 24-, 36- and 48-months. Two calibrated examiners performed the clinical examination of the pulpal symptoms

Aim of this clinical study is to compare the clinical outcomes of mineral trioxide aggregate (MTA) cavity lining with calcium hydroxide (Ca(OH)2) regarding the maintenance of pulp vitality in the treatment of deep caries lesions over 4- years.

Materials and Methods: A hundred permanent premolar and molars with deep caries lesions without pulp involvement (aged between 18 and 30 years) in 73 patients were randomly divided into the following groups: calcium hydroxide cement (Ca(OH)2) (Dycal, Dentsply/Caulk, Dentsply International Inc, Milford, DE, USA) group and mineral trioxide aggregate (MTA) (Dentsplay, Tulsa Dental, Johnson city, USA) group. Final restoration with a resin-based composite (Gradia Direct Posterior, GC, Tokyo, Japan) in a single session was performed. The following-up period was 6-, 12-, 24-, 36- and 48-months. Two calibrated examiners performed the clinical examination of the pulpal symptoms. The data will be analyzed with Pearson chi-square, Fisher exact and logrank statistics tests (p < 0.05). The Kaplan-Meier survival analysis will be conducted to reveal the survival rate.

Inclusion Criteria:

1. Primary deep caries lesion with risk of pulp exposure (radiograph depth reaching 3/4 of the dentin).
2. Restorable by direct restoration and functional permanent posterior teeth,
3. Positive response to electric pulp testing and negative response to thermal testing.

Exclusion Criteria:

1. Two or more cuspal loss 2. Caries beneath the gingival margin 3. Spontaneous pain history 4. Presence of any periapical pathology 5. Immature teeth with open apex 6. Pathologic mobility

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