Evaluation of pH levels and calcium ion release in various calcium hydroxide endodontic dressings

Ferreira, Flaviana Bombarda de Andrade; Rodrigues, Patrícia de Almeida; Vale, Mônica Sampaio do; Moraes, Ivaldo Gomes de; Granjeiro, José Mauro

doi:10.1016/j.tripleo.2003.08.020

Cited by 23 publications

(27 citation statements)

References 17 publications

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“…6 Ferreira et al in their study found that camphorated paramonochlorophenol and saline calcium hydroxide paste exhibited the highest calcium release and pH levels. 7 On the contrary, Bayram et al found Ca release to be lowest with distilled water.…”

Section: Discussionmentioning

confidence: 97%

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Spectrophotometric evaluation of calcium ion release from different calcium hydroxide preparations: An in-vitro study.

Jain

Bhadoria

Hada³

2017

J Oral Res

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Pulp tissue conditions such as infections have long been treated with calcium hydroxide (CaOH). In the last decade, use of mineral trioxide aggregate (MTA) has gained ground. This study was carried out to comparatively evaluate the Ca release from CaOH powder with different vehicles and different types of MTA. Materials and Methods: 40 single rooted mandibular premolars were selected, decoronated and biomechanically prepared. They were randomly divided into four groups, consisting of 10 samples each. Root canals were packed with different preparations of CaOH and MTA. Calcium ion release was evaluated with an UV-spectrophotometer. Result: Amongst the CaOH preparations, using propylene glycol as a vehicle produced extended release of calcium ions (7.34±0.01) for a period of 14 days. Whereas, amongst MTA based products, MTA angelus produced the maximum release of calcium ions (2.42±0.010). A statistically significant difference was present between the four groups (p<0.05). Conclusion: Propylene glycol mixed with CaOH powder, produces a higher and extended release of calcium ions compared to distilled water. MTA angelus produces consistent calcium ion release.

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Section: Discussionmentioning

confidence: 97%

“…With propylene glycol, Ca release was found to be highest on day 7 followed by a gradual release until day 28. This could be attributed to the high viscosity and low solubility of propylene glycol which results in a gradual release for a longer period of time.…”

mentioning

confidence: 95%

Spectrophotometric evaluation of calcium ion release from different calcium hydroxide preparations: An in-vitro study.

Jain

Bhadoria

Hada³

2017

J Oral Res

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“…2,[10][11][12][13] There are no uniform standards for pH assays. Two methods have been described for the evaluation of pH changes: potentiometry and titration curves.…”

Section: Discussionmentioning

confidence: 99%

“…2,[11][12][13][14] The investigators have also used 2 experimental models: with or without medium replacement after each time period measurement. 2,3,10,[14][15][16][17] We applied the second method in the present study. Only Liberman et al 18 used both methods simultaneously.…”

Section: Discussionmentioning

confidence: 99%

“…The pH values were recorded immediately after immersion (baseline) and after 1, 2, 3, 4, 24, 48, 72, 168, 336, and 504 h with a pH-meter (ISE 710A, Orion Research Inc., Boston, USA), previously calibrated with solutions of known pH levels. [8][9][10] Each sample was measured twice, and the mean value was recorded. The experiment was performed in static conditions (without changing the deionized water).…”

Section: Sample Preparationmentioning

confidence: 99%

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Evaluation of pH changes produced by dental pulp capping materials: An in vitro study

Łuczaj-Cepowicz¹,

Marczuk-Kolada²,

Pawińska³

et al. 2017

Dent. Med. Probl.

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Characteristics improvement of calcium hydroxide dental cement by hydroxyapatite nanoparticles. Part 1: Formulation and microstructure

Yasaei

Zamanian

Moztarzadeh

et al. 2013

Biotech and App Biochem

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Calcium hydroxide cement (CHC), which is a direct pulp-capping material, has been widely used for several decades. In spite of the well-known advantages of CHCs, they have some disadvantages as well, such as high solubility, no inherent adhesive qualities, and low mechanical strength. Previous studies were undertaken to improve these deficiencies by implementing changes to modify the conventional CHCs. The aim of the present research is to demonstrate the potential rectification of the aforementioned deficiencies of the commercially available CHCs by adding hydroxyapatite (HA) nanoparticles without lessening their advantages. Here, the synthesized HA nanoparticles were added into the CHCs in two different portions of 3 and 7 wt%. A scanning electron microscope was used to observe and analyze the microstructure, and X-ray energy dispersive analysis was used to analyze the elemental composition of the new CHCs. In addition, setting time, mechanical strength, pH, calcium (Ca) release, and antibacterial behavior were measured to assess how HA nanoparticles influence the characteristics of CHCs. The results showed that adding 3 wt% HA nanoparticles can optimally improve the mechanical strength of the cement and increase the Ca release rate as a mineralization promoter without reducing the antibacterial behavior.

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Evaluation of pH levels and calcium ion release in various calcium hydroxide endodontic dressings

Cited by 23 publications

References 17 publications

Spectrophotometric evaluation of calcium ion release from different calcium hydroxide preparations: An in-vitro study.

Spectrophotometric evaluation of calcium ion release from different calcium hydroxide preparations: An in-vitro study.

Evaluation of pH changes produced by dental pulp capping materials: An in vitro study

Characteristics improvement of calcium hydroxide dental cement by hydroxyapatite nanoparticles. Part 1: Formulation and microstructure

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