Abstract
Aims: To evaluate the effect of two types of disinfectant solutions(2% alkaline glutaraldehyde, 1% sodium hypochlorite) in wettability of three types of elastomeric impression materials (light body) which are used in crown and bridge restorations at different times of immersion. Materials and me-thods: Three types of elastomeric impression materials (light body) were formed on a flat acrylic resin block and allowed to set(five specimens of each impression material was done for each immersion time(15,30 and60 minutes)of each disinfectant solution in addition to control groups). The wettability is indicated by measuring the contact angle of aqueous solution of CaSO4 on surface of cured impres-sion materials. Results: indicated no significant effect of immersion times on wettability of three types of impression materials. The hydrophilic type produce high wettability. Conclusions: The disinfectant solutions have different effects on each impression material. Sodium hypochlorite has the greatest beneficial effect on wettability
Highlights
The primary objective of pulp therapy is to maintain the integrity and health of the teeth and their supporting tissues
MATERIALS AND METHODS Thirty children of both genders were selected from patients who referred to the Department of Pediatric Dentistry, College of Dentistry, University of Mosul with thirty teeth (15 primary second primary molars and 15 immature first permanent molars), one tooth per child
Clinical and radiographical examinations carried out on follow up visits revealed that all cases showed a healthy physiological image with no trace of any pathological changes
Summary
The primary objective of pulp therapy is to maintain the integrity and health of the teeth and their supporting tissues. The treatment objective is to maintain the vitality of the pulp of a tooth affected by caries, traumatic injury, or other causes. In young permanent teeth with immature roots, the pulp is integral to continue apexogenesis. Long term retention of a permanent tooth requires a root with a favorable crown/root ratio and dentinal walls that are thick enough to withstand normal function. Pulp preservation is a primary goal for treatment of the young permanent dentition. A tooth without a vital pulp, can remain clinically functional[1]
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