Restor Dent Endod.  2014 Aug;39(3):195-200.

Comparative efficacy of photo-activated disinfection and calcium hydroxide for disinfection of remaining carious dentin in deep cavities: a clinical study

• Sharma S
• Logani A
• Shah N

Abstract

OBJECTIVES
To comparatively evaluate the efficacy of photo-activated disinfection (PAD), calcium hydroxide (CH) and their combination on the treatment outcome of indirect pulp treatment (IPT).
MATERIALS AND METHODS
Institutional ethical clearance and informed consent of the patients were taken. The study was also registered with clinical registry of India. Sixty permanent molars exhibiting deep occlusal carious lesion in patients with the age range of 18 - 22 yr were included. Clinical and radiographic evaluation and set inclusion and exclusion criteria's were followed. Gross caries excavation was accomplished. In group I (n = 20) PAD was applied for sixty seconds. In group II (n = 20), CH was applied to the remaining carious dentin, while in group III (n = 20), PAD application was followed by CH placement. The teeth were permanently restored. They were clinically and radiographically followed-up at 45 day, 6 mon and 12 mon. Relative density of the remaining affected dentin was measured by 'Radiovisiography (RVG) densitometric' analysis.
RESULTS
Successful outcome with an increase in radiographic grey values were observed in all three groups. However, on inter-group comparison, this change was not significant (p > 0.05).
CONCLUSIONS
PAD and CH both have equal disinfection efficacy in the treatment of deep carious dentin. PAD alone is as effective for treatment of deep carious lesion as calcium hydroxide and hence can be used as an alternative to CH. They can be used independently in IPT, since combining both does not offer any additional therapeutic benefits.

Keyword

Calcium hydroxide; Carious dentin; Indirect pulp treatment; Photo-activated disinfection; Remineralization

MeSH Terms

Calcium Hydroxide*
Dental Caries*
Dentin
Disinfection*
Humans
India
Informed Consent
Molar
Specific Gravity
Tooth
Treatment Outcome
Calcium Hydroxide

Figure

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  Figure 1 (a) Preoperative; (b) After caries excavation; (c) PAD solution application; (d) PAD light application.PAD, photo-activated disinfection.

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  Figure 2 Densitometric analysis of remaining affected dentin after IPT.IPT, indirect pulp treatment.

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  Figure 3 Group I, PAD; Group II, CH; Group III, PAD + CH. (a) Preoperative; (b) Postoperative; (c) At 45 days after treatment; (d) At 6 months after treatment; (e) At 12 months after treatment.PAD, photo-activated disinfection; CH, calcium hydroxide.

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