The closure of open apices in non-vital immature incisor teeth

Mackie, I C; Bentley, Elaine; Worthington, Helen V

doi:10.1038/sj.bdj.4806553

Cited by 53 publications

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“…The rationale behind this choice of carefully spaced periods was done keeping in mind the number of days of calcium hydroxide therapy when used as an interappointment intracanal medicament, as a remedy for weeping canals and as an agent for apexification. [424]…”

Section: Discussionmentioning

confidence: 99%

“…Calcium hydroxide is the material most commonly used for induction of the apical barrier formation in non-vital teeth. [2–4] The long term usage of calcium hydroxide could alter the collagen matrix of dentin due to its high alkalinity. [5–9] This would leave the dentin structure with reduced organic support, which may adversely influence the mechanical properties of dentin(i.e., flexural strength), thus making teeth more susceptible to fracture from secondary injuries.…”

Section: Introductionmentioning

confidence: 99%

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Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Prathibha¹

2011

Contemp Clin Dent

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One hundred and sixty human permanent central incisors were enlarged to a 120 file size after crown removal procedure to simulate immature teeth. The root canals were filled with calcium hydroxide and stored for 15 days (phase I), 30 days (phase II), 90 days (phase III), and 180 days (Phase IV). At the end of these selected time periods, calcium hydroxide was cleaned off the root canals of forty teeth that were randomly selected and obturated with gutta-percha points in the apical 2 mm of the root canals with a sealer. The specimens were further equally divided into four groups. Unrestored Group I served as control and the root canals of teeth in the other three group specimens were reinforced with resin modified glassionomer cement (RMGIC) (Group II), Flowable Compomer (Group III), and Flowable Composite (Group IV), respectively, using a translucent curing post. All specimens were subjected to compressive force using an Instron Testing machine, until fracture occurred. All the materials evaluated substantially reinforced the root specimens compared to the control. At the end of 180 days, Flowable composites showed maximum reinforcement compared to the other groups; however, no significant differences were found between the reinforcement capabilities of Flowable Compomer and RMGIC.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Prathibha¹

2011

Contemp Clin Dent

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“…, Mackie et al . , Yates , Kinirons et al . ), which also leads to difficulty of the patient's recall management and delayed treatment (Metzger et al .…”

Section: Introductionmentioning

confidence: 99%

“…, Mackie et al . , , Thater & Marechaux , Yates , Kleier & Barr , Morfis & Siskos , Cvek , Finucane & Kinirons , Kinirons et al . , Dominguez Reyes et al .…”

Section: Introductionmentioning

confidence: 99%

Treatment of immature teeth with nonvital pulps in adults: a prospective comparative clinical study comparingMTAwith Ca(OH)₂

et al. 2019

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Aim To evaluate and compare the influence of various predictors on outcomes of apexification using either mineral trioxide aggregate (MTA) or calcium hydroxide (CH) in permanent immature anterior teeth with necrotic pulps and periapical lesions of adults. Methodology Ninety immature teeth with necrotic pulps and periapical lesions on adult patients (aged 18–40 years) were treated with MTA (45 teeth) or CH (45 teeth) between 2015 and 2018. Patients of both groups were recalled for follow‐up examinations after the first intervention at 1,3,6 and 12 months for the first year, every 6 months for the second year and every year thereafter until the end of the study (median 32.3 months). The treatment outcome based on clinical and radiographic criteria was assessed by calibrated examiners and dichotomized as ‘healed+healing’ or ‘not healed’. The age, gender, stage of root development, preoperative signs and symptoms of apical periodontitis and size of periapical lesion were recorded. The cumulative success proportion and mean time were analysed with the Kaplan–Meier test. The generalized logrank statistic was used to describe prognostic clinical variables. Fisher's exact test was applied for the evaluation of the healing rates. Results Thirty‐nine of the 45 teeth treated with MTA were available for recall. Of these, 29 teeth (74%) revealed calcific apical barrier formation with complete resolution of periapical lesions, 7 teeth (18%) were healing, and 3 teeth (8%) had persistent disease. Thirty‐four of the 45 teeth in the CH group were available for recall. Of these, 27 teeth (79%) had complete healing of periapical lesions and had calcific barrier formation, 4 teeth (12%) were healing, and the remaining 3 teeth (9%) had not healed. The survival rate of teeth treated with MTA was similar to the survival rates observed in teeth treated with CH (90% and 91%, respectively, P > 0.05). The generalized logrank statistic revealed that the cumulative success rate of both materials was not significantly different (P > 0.05). None of the tested predictors had an influence on the treatment outcomes of teeth in both groups (P > 0.05). Conclusions Apexification with both MTA and CH was associated with similar treatment outcomes. MTA may be proposed as a material for apexification treatment in immature teeth of adult patients due to the shorter treatment time associated with its use.

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“…The most common medicament used for this technique is the CaOH. The average time taken for apexification to complete using CaOH is 5-20 months (2,3). So in this period, how frequently the CaOH dressing should be changed is a controversy in the endodontic literature.…”

Section: Introductionmentioning

confidence: 99%

Successful closure of the root apex in non-vital permanent incisors with wide open apices using single calcium hydroxide (caoh) dressing - report of 2 cases

Nagaveni¹,

Umashankara²,

Radhika³

et al. 2010

J Clin Exp Dent

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Endodontic management of immature non vital permanent teeth in young pediatric patients is a great challenge to dentists. The walls of the root canals are frequently divergent and open apexes make debridement and obturation difficult. Thus closure of root apex is very essential for success of the endodontic treatment. Although different materials are used for the apexification procedure, calcium hydroxide is the material of choice for apical barrier formation and healing. There are different opinions regarding frequency of CaOH dressing change to induce complete closure of the apex. Literature suggests that dressing should be changed frequently. Therefore the aim of the present article is to report the successful closure of root apex in pulpless permanent incisors with wide open apices in two pediatric patients using single CaOH dressing. Key words: Calcium hydroxide, apical closure, open apex, immature teeth.Nagaveni NB, Umashankara KV, Radhika NB, Manjunath S. Successful closure of the root apex in non-vital permanent incisors with wide open apices using single calcium hydroxide (caoh) dressing -report of 2 cases.

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The closure of open apices in non-vital immature incisor teeth

Cited by 53 publications

References 0 publications

Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Treatment of immature teeth with nonvital pulps in adults: a prospective comparative clinical study comparingMTAwith Ca(OH)₂

Successful closure of the root apex in non-vital permanent incisors with wide open apices using single calcium hydroxide (caoh) dressing - report of 2 cases

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The closure of open apices in non-vital immature incisor teeth

Cited by 53 publications

References 0 publications

Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Comparing the reinforcing effects of a resin modified glassionomer cement, Flowable compomer, and Flowable composite in the restoration of calcium hydroxide-treated immature roots in vitro

Treatment of immature teeth with nonvital pulps in adults: a prospective comparative clinical study comparingMTAwith Ca(OH)2

Successful closure of the root apex in non-vital permanent incisors with wide open apices using single calcium hydroxide (caoh) dressing - report of 2 cases

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Treatment of immature teeth with nonvital pulps in adults: a prospective comparative clinical study comparingMTAwith Ca(OH)₂