Often packaged as a paste, these materials are available in variety of viscosities for use during different clinical situation. Calcium hydroxide was originally introduced to the field of endodontics by herman 1 in 1930 as a pulpcapping agent, but its uses today are widespread in endodontic therapy. This study compared the effectiveness of a specially designed paste carrier technique with the syringespreader technique and the syringelentulo spiral technique in the intracanal placement of calcium hydroxide. Calcium hydroxide has been used in dentistry for almost a century,24 it was originally introduced to the field of endodontics by hermann in 1920 as a pulpcapping agent,10, 11 but its uses today are widespread in endodontic therapy. Calcium hydroxide can be used effectively as intracanal medicament, root canal sealer, in weeping canals, for perforation management and root. Introduce the paste into the canal, packing the paste against the periapical tissue. International endodontic journal, 44, 697730, 2011. Efficacy of calcium hydroxide dressing in endodontic infection treatment.
Apexogenesis, apexification, revascularization and endodontic. Comparison of mineral trioxide aggregate and calcium. Calcium hydroxide caoh 2 is a well known root canal medicament and is often used prior to the placement of a permanent root canal filling as a temporary dressing. Calcium hydroxide dressings using different preparation. Antimicrobial activity of calcium hydroxide in endodontics. Facile synthesis of calcium hydroxide nanoparticles onto. Comparison of particle morphology between commercial and researchgrade calcium hydroxide in endodontics. Vital pulpotomy techniques with formocresol andor calcium hydroxide must be carefully executed in. Clinical application of calcium hydroxide in dental pathology. This low solubility is a useful clinical characteristic as an.
Nonsetting caoh 2 paste in pressure syringe system is commonly used in root canal therapy. Calcium hydroxide was originally introduced to the field of endodontics by herman in 1920 as a pulpcapping agent. This antimicrobial material may act as a barrier to the ingress of microorganisms into the root canal system. Properties and applications of calcium hydroxide in.
Calcium hydroxide is an amazing material which has a number of applications in dentistry and especially. Premixed nonsetting calcium hydroxide caoh 2 paste in pressure syringe system is commonly used in root canal therapy. Singlevisit endodontics, where intracanal medicaments are not used, is nowadays indicated, and various reports have shown that the clinical outcomes between single. Its high ph is related to its ability to stimulate mineralization, its antibacterial properties, and its ability to dissolve tissue, among other benefits.
Calcium hydroxide, endodontics, root canal treatment, applications in. The antibacterial effect of calcium hydroxide is based on its ability to release hydroxyl ions and to raise ph 10, 11. Calcium hydroxide has a wide range of antimicrobial activity against common endodontic pathogens but is less effective against enterococcus. The canal is then backfilled with calcium hydroxide to ensure that reinfection does not occur during the interim period. A schematic view of the mech anisms of the antibacterial activity of calcium hydroxide. Calcium hydroxide is used as an intracanal dressing in endodontic treatment. Instrument the canal and irrigate to remove all tissue from the radicular space. Definition calcium hydroxide is a strong alkali, which can be formed by the reaction of calcium oxide. The medicament should not be used as a substitute for a wellplaced temporary restoration, nor should it be used to enhance the longterm use of temporary. Review article calcium hydroxide has been used in endodontology for many years. In this report, an immature necrotic mandibular molar received rep in three appointments wherein chemomechanical debridement was performed with a sequential application of nonsetting calcium. The ph of calcium hydroxide paste has been shown to be as high as 12. Calcium hydroxide has been determined as suitable for use as an intracanal medicament as it is stable for long periods, harmless to the body, and bactericidal in a limited area. While the tooth is asymptomatic and functional, thin root walls put the root at increased risk of fracture.
Three groups, each containing 15 singlerooted human anterior teeth were prepared using standardized mtwo rotary instruments to a master apical file size 40 with 0. The aim of this study was to evaluate the rat subcutaneous tissue reaction to calcium hydroxide based intracanal medicaments, ultracal xs calcium hydroxide, barium sulphate, aqueous matrix, hydropast calcium hydroxide, barium sulphate, and propyleneglycol, and calen calcium hydroxide, zinc oxide, colophony, and polyethyleneglycol, used as a control. Sealapex polymeric calcium hydroxide root canal sealer. Regenerative endodontic management of an immature molar using. Recent studies suggest 3 monthly change of calcium hydroxide mackie, 1998. Jun 01, 2012 premixed nonsetting calcium hydroxide caoh 2 paste in pressure syringe system is commonly used in root canal therapy. Its antimicrobial properties are attributed to its high ph basic, destructive effects on bacterial cell walls and ability to dissolve organic tissue. In an experimental study, the ph of distilled water in contact with sealapex reached 11. Calcium hydroxide was originally introduced to the field of endodontics by herman in 1930 as a pulpcapping agent, but its uses today are widespread in endodontic therapy. Calcium hydroxide has been included within several materials and antimicrobial formulations that are used in a. Clinical application of calcium hydroxide in dental pathology and endodontics. Intracanal medicaments their use in modern endodontics. Calcium hydroxide has been included within several materials and antimicrobial formulations that are used in a number of treatment modalities in endodontics. Calcium hydroxide is a multipurpose agent, and there have been an increasing some of its indications include interappointment intracanal medicaments.
Hence calcium hydroxide dressing was changed every 3 months and radiographic follow up was done at 1,3,6,9 months. Interappointment medication with calcium hydroxide in. Calcium hydroxide is widely used in endodontics for a number of purposes. In 1920, herman introduced calcium hydroxide to dentistry as a pulpcapping material but today it is used widely in the field of endodontics 2 3. The effects of cellulose nanofibers on the precipitation of calcium hydroxide nanoparticles were investigated by varying the reaction time, concentration, and carboxylation content of cellulose nanofibers. Calcium hydroxide is an amazing material which has a number of applications in dentistry and especially in endodontics, apart from being very economical and. If the oxide is treated with only sufficient water to make it crumble to a fine, white, dry powder slaked lime is produced. Strategies for biocompatible endodontics and a technique manual for using calcium oxide to fill root canals we still need root canal treatment despite the fact that there are serious objections to the use of root canal treatment in dentistry, due to the persistence of microbes in the dentinal tubules, the inaccessible. An overview article pdf available in open journal of stomatology 0612. Role of calcium hydroxide in endodontics global journal of. Prepare a moderately stiff paste by mixing calcium hydroxide powder with sterile water. Efficacy of calcium hydroxide dressing in endodontic by endo. Mohammadi z, dummer p 2011 properties and applications of calcium hydroxide in endodontics and dental traumatology.
Calcium hydroxide is used in diverse applications including heritage conservation where supplying it in the form of nanoparticles allows easy carbonation with atmospheric air contacts. Antimicrobial effect, calcium hydroxide, endodontics. Limitations of calcium hydroxide in spite of various advantages and indications of calcium hydroxide, it do have some limitations. Calcium hydroxide can be used effectively as intracanal medicament, root canal sealer, in weeping canals, for perforation management and root resorption. Despite the limitation of antimicrobial activity of calcium hydroxide, it is used effectively in a number of treatment modalities in endodontics.
Calcium hydroxide dressings using different preparation and application modes. Pdf comparison of particle morphology between commercial. Endodontics root canal treatment for children has particular difficulties and considerations. Since calcium hydroxides introduction almost 100 years ago, it has been widely used in endodontics. Sealapex is the original noneugenol, calcium hydroxide polymeric root canal sealant. Overextension of nonsetting calcium hydroxide in endodontic. Its high ph is related to its ability to stimulate mineralization, its antibacterial properties. There are some concerns regarding the use of caoh2. Regenerative endodontic management of an immature molar. Despite the limitation of antimicrobial activity of calcium hydroxide, it is used effectively in. Endodontic calcium hydroxide materials are used to clean and protect canals during endodontic treatment or as a preventive measure for complex cases or following a failed root canal. Aim to study the effect of different apical shapes in prepared simulated root canals on the application of a commercially prepared calcium hydroxide paste by a.
Home about us subject areas contacts advanced search help. Properties and applications of calcium hydroxide in endodontics and. The regenerative endodontic procedure rep is considered a viable treatment option for immature teeth with necrotic pulp and periapical radiolucency which can facilitate continued root formation. Releases and recharges calcium, phosphate and fluoride. A total of 80 teeth were included in the four studies, and a summary of the characteristics and outcomes of the four studies are shown in table 1. While the tooth is asymptomatic and functional, thin. In vivo study of calcium hydroxide endodontic treatment in. Clinical application of calcium hydroxide in dental. Calcium hydroxide is a multipurpose agent, and there have been an increasing number of indications for its use in endodontics.
The handling and proper placement of caoh2 present a challenge to the average clinician and requires skill. Jan 05, 2016 calcium hydroxide endodontic courses 1. The aim of this study was to evaluate the rat subcutaneous tissue reaction to calcium hydroxidebased intracanal medicaments, ultracal xs calcium hydroxide, barium sulphate, aqueous matrix, hydropast calcium hydroxide, barium sulphate, and propyleneglycol, and calen calcium hydroxide, zinc oxide, colophony, and polyethyleneglycol, used as a control. Indian dental academyindian dental academy leader in continuing dental educationleader in continuing dental education seminar on calciumhydroxide conservative dentistry and endodontics 2. The doubleedged sword of calcium hydroxide in endodontics. Radiographs are taken to check that the apical level of calcium hydroxide is satisfactory and to ensure that an overfill has not. The calcium hydroxide can be packed at the apex using either pluggers or thick paper points. Intracanal medicamentsare their use advocated in modern. International endodontic journal, 38, 889895, 2005. Colleagues excellence american association of endodontists. Although it has been considered as a safe agent, a few reports dealt with the negative side effects of caoh 2. This formulation produces rapid healing and hard tissue formation. Properties and applications of calcium hydroxide in endodontics and dental traumatology. Its high ph kills bacteria within the root canal, and.
Biocompatibility of intracanal medications based on calcium. The total number of teeth in the mta groups ranged from 10 to 15, the total number of teeth in the calcium hydroxide group ranged from 10 to 15, and the patient ages ranged from 6 years to 12 years. Some of its indications include interappointment intracanal. Strategies for biocompatible endodontics and a technique manual for using calcium oxide to fill root canals we still need root canal treatment despite the fact that there are serious objections to the use of root canal treatment in dentistry, due to the persistence. Endodontic treatment for children british dental journal. Since calcium hydroxide s introduction almost 100 years ago, it has been widely used in endodontics. Calcium hydroxide is a white odourless powder with the chemical formula caoh 2. Pure calcium hydroxide paste has a high ph approximately 12. Antimicrobial effect of calcium hydroxide as an intracanal.
851 1536 1307 1123 1212 72 938 1115 240 721 531 884 668 517 1160 623 836 662 1146 969 1583 220 1625 42 481 1539 110 770 1576 1223 1012 526 99 68 258 1311 688 219 582