Comparison of pH Changes Induced by Calcium Enriched Mixture and Those of Calcium Hydroxide in Simulated Root Resorption Defects

Forghani, Maryam; Mashhoor, Hamzeh; Rouhani, Armita; Jafarzadeh, Hamid

doi:10.1016/j.joen.2014.09.006

Cited by 5 publications

(8 citation statements)

References 42 publications

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“…When the materials were placed in an aqueous solution, calcium hydroxide dissociated into hydroxyl and calcium ions increasing the pH in the surrounding medium. 13 AH Plus presented a slightly lower but still alkaline pH (10.09-9.11). The pH values observed in the present study were higher than those obtained by other authors.…”

Section: Discussionmentioning

confidence: 91%

A laboratory study evaluating the pH of various modern root canal filling materials

Pawińska¹,

Szczurko²,

Kierklo³

et al. 2017

Adv Clin Exp Med

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Section: Discussionmentioning

confidence: 91%

A laboratory study evaluating the pH of various modern root canal filling materials

Pawińska¹,

Szczurko²,

Kierklo³

et al. 2017

Adv Clin Exp Med

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“…Other studies with a similar methodology found similar pH values. 9,13 The decrease in pH on the root surface can be explained because the diffusion of hydroxyl ions along the dentinal tubules was probably slowed by the buffering capacity of dentin. 21 Aqueous solutions are recommended as vehicles for CH because they allow rapid release of ions.…”

Section: Discussionmentioning

confidence: 99%

“…Sample size was calculated according to a previous study with similar methodology. 9 The minimal sample size to detect a difference with a power of 80% at 95% confidence interval was 12. (G*Power 3.1.7 software for Windows; Heinrich Heine, Universität Düsseldorf).…”

Section: Methodsmentioning

confidence: 99%

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Influence of chlorhexidine and zinc oxide in calcium hydroxide pastes on pH changes in external root surface

et al. 2019

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The objective of this study was to assess the influence of chlorhexidine (liquid and gel) and zinc oxide in calcium hydroxide (CH) pastes on root pH in simulated external resorption. One hundred human anterior teeth with a single root canal were selected. After decoronation and root canal instrumentation, the specimens were divided into 4 experimental groups and 1 control group (without intracanal paste): CH + saline (CH+S), CH + 2% chlorhexidine liquid (CH+ CHX), CH + 2% chlorhexidine gel (CH+ CHXg), and CH + 2% chlorhexidine gel + zinc oxide (CH+ CHXg+ZnO). pH was measured using a microelectrode at 3 and 24 h, and 1, 2, 3, and 4 weeks after inserting intracanal pastes. Data were analyzed statistically using an ANOVA and Tukey's test (p < 0.05). The CH+CHXg+ZnO group had the highest pH values throughout (p<0.05). The CH+S and CH+ CHX groups had the highest pH values after 1 week and the CH+ CHXg group after 2 weeks. CH+ CHXg maintained the highest pH until the fourth week compared with CH+ CHX (p < 0.05). The control group remained at a neutral pH at all evaluated times. It can be concluded that chlorhexidine solution or gel maintained the alkaline pH of CH, and chlorhexidine gel allowed a slower decrease in pH over time. CH+ CHXg+ZnO showed the highest pH values and was an effective intracanal medication for maintaining alkaline root pH in the area of resorption.

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“…Although Ca(OH) 2 is useful as an endodontic antibacterial medicament and as an endodontic irrigant, its potential risks as a combined material is better to be assessed. [32][33][34]…”

Section: Synergism Of Naocl and Ca(oh)mentioning

confidence: 99%

Additive and reducing Effects between Calcium Hydroxide and Current Irrigation Solutions

Mohammadi¹,

Jafarzadeh

Shalavi

et al. 2017

The Journal of Contemporary Dental Practice

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Introduction: Microorganisms should be considered to have the major role in starting and perpetuation of pulpo-periapical diseases. Using intracanal medicaments is necessary to gain a bacteria-free environment in the canal system. Calcium hydroxide (abbreviated as Ca(OH) 2), which is the most commonly used medicament in endodontic therapy, has been shown to be effective against primary sources of infection; however, its effectiveness against some microorganisms, such as Candida albicans and Enterococcus faecalis has not been proved. On the other hand, sodium hypochlorite (NaOCl), chlorhexidine (CHX), and iodine potassium iodide (IKI) have been shown to be the potent medicaments against these microorganisms. Because of this fact, combination of Ca(OH) 2 and some irrigants of the root canal has been suggested as potential intracanal medicaments. The aim of this literature review is to identify and address the efficacy of Ca(OH) 2 in combined with some of these irrigating solutions.

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Comparison of pH Changes Induced by Calcium Enriched Mixture and Those of Calcium Hydroxide in Simulated Root Resorption Defects

Cited by 5 publications

References 42 publications

A laboratory study evaluating the pH of various modern root canal filling materials

A laboratory study evaluating the pH of various modern root canal filling materials

Influence of chlorhexidine and zinc oxide in calcium hydroxide pastes on pH changes in external root surface

Additive and reducing Effects between Calcium Hydroxide and Current Irrigation Solutions

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