Effect of apexification on occlusal resistance of immature teeth

Lee, Woo-Cheol; Yoo, Yeon-Jee

doi:10.1186/s12903-020-01317-x

Cited by 5 publications

(7 citation statements)

References 30 publications

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“…The previous studies demonstrated root resorption in animal models when bite force was applied, leading to periodontal tissue dysfunction owing to occlusal insufficiency [ 37 , 38 ]. During facial growth and development, mechanical stress on deciduous teeth increases gradually.…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, future studies, such as genetic data analysis and basic physiological research, are warranted to clarify the details of root resorption in retained mandibular second deciduous teeth with the congenital absence of subsequent permanent teeth. With 228 partially edentulous patients accounting for up to 180 different patterns of missing teeth [ 38 ], the patterns of missing teeth among these patients differed extensively. In cases where several consecutive teeth are missing, or there are concomitant abnormalities in the crown morphology, such as dwarf teeth, it is often difficult to achieve space closure by tooth movement alone.…”

Section: Discussionmentioning

confidence: 99%

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Factors influencing root resorption in retained mandibular second deciduous molars with congenital absence of second premolars: a cross-sectional study

Ishizuka,

Kato,

Fujita

et al. 2024

Prog Orthod.

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Background There are currently no studies that quantitatively compare the relationship of root resorption to the patient’s systemic history or craniofacial and intraoral morphology, especially in relation to possible host factors. Thus, this study aimed to clarify the factors associated with root resorption in retained mandibular second deciduous molars with the congenital absence of second premolars and predict the prognosis of retained mandibular second deciduous molars. Methods A cohort of 5547 patients who visited the orthodontic clinic at Tokyo Medical and Dental University Dental Hospital between 2013 and 2022 was screened. Lateral cephalometric radiographs, panoramic radiographs, upper and lower dental models, and orthodontic treatment questionnaires were used as reference materials to apply the inclusion and exclusion criteria. Ultimately, 111 patients were included in the analyses. The patients were divided into two groups based on the root resorption levels of the retained mandibular second deciduous molars. Those with less root resorption were classified under the good condition (GC) group, whereas those with more root resorption were classified under the poor condition (PC) group. Demographic, clinical, and cephalometric parameters were compared between the groups. A multivariate logistic regression model was used to predict the probability of root resorption. Results The prevalence of congenitally missing mandibular second premolars with persistent mandibular second deciduous molars was 2.0%. In a total of 111 patients, eighty-three teeth (53.2%) were classified into the GC group, whereas 73 teeth (46.8%) were classified into the PC group. The Frankfort-mandibular plane angle (FMA) [odds ratio (OR): 0.87], Frankfort-mandibular incisor angle (FMIA) (OR: 0.93), overbite (OR: 1.38), adjacent interdental space (OR: 1.46), distance from occlusal plane (OR: 0.80), and caries treatment (OR: 7.05) were significantly associated with the root resorption of the retained mandibular second deciduous molars. Conclusions Our findings suggest that skeletal morphology, oral morphological patterns, and history contribute to root resorption in retained mandibular second deciduous teeth with congenital absence of subsequent permanent teeth.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Factors influencing root resorption in retained mandibular second deciduous molars with congenital absence of second premolars: a cross-sectional study

Ishizuka,

Kato,

Fujita

et al. 2024

Prog Orthod.

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“…The success of root maturation after regenerative endodontic procedures in immature teeth with apical periodontitis and pulp necrosis is not always possible. In particular, immature roots with previously unsuccessful endodontic treatments fail to continue further root development in width and length [ 28 ]. Therefore, apexification could be considered as an alternative strategy to achieve apical barrier formation.…”

Section: Discussionmentioning

confidence: 99%

Influence of Bioceramic Cements on the Quality of Obturation of the Immature Tooth: An In Vitro Microscopic and Tomographic Study

Al-Rayesse,

Al-Jabban,

Eid

et al. 2024

Bioengineering

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The present in vitro study focuses on the filling ability of three different bioceramic cements with or without the addition of a bioceramic sealer in an open apex model on the marginal apical adaptation, tubule infiltrations, and void distributions as well as the interface between the cement and the sealer materials. To this end, sixty mandibular premolars were used. MTA-Biorep (BR), Biodentine (BD), and Well-Root Putty (WR) were used to obturate the open apex model with or without the addition of a bioceramic sealer, namely TotalFill® BC sealer™ (TF). A digital optical microscope and scanning electron microscope (SEM) were used to investigate the cement–dentin interface, marginal apical adaptation, and the material infiltration into the dentinal tubules. Micro-computed X-ray tomography and digital optical microscopy were used to investigate the cement–sealer interface. The results were analyzed by using the Kruskal–Wallis test. No significant difference was found between the groups for the marginal apical adaptation quality (p > 0.05). Good adaptation of the dentin–cement interface was found for all tested groups and the sealer was placed between the cement material and dentinal walls. All the groups demonstrated some infiltrations into the dentinal tubules at the coronal part except for the BR group. A good internal interface was found between the cement and the sealer with the presence of voids at the external interface. A larger number of voids were found in the case of the BD-TF group compared to each of the other two groups (p < 0.05). Within the limitations of the present in vitro study, all the groups demonstrated good marginal apical adaptation. The use of a sealer in an open apex does not guarantee good filling and, in addition, creates voids at the external interfaces with the dental walls when the premixed sealer is used with powder–liquid cement systems. The use of a premixed bioceramic cement could offer fewer complications than when a powder–liquid cement system is used.

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“…Therefore, it is of great importance to preserve the vitality of the pulp until root development is complete ( Table 1 ). Young permanent teeth with necrotic pulp and periapical processes are a significant treatment challenge due to the lack of an apical barrier and the impact on periodontal tissues [ 28 , 29 ].…”

Section: Discussionmentioning

confidence: 99%

The Attitude of the General Dentist in the Republic of Croatia toward Treating Children

et al. 2022

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The aim of this study was to determine the attitude of general dentists in the Republic of Croatia toward working with children. The questionnaire survey involved 361 general dentists. The questionnaire was divided into three parts and contained 34 questions. The first part of the questionnaire survey contained demographic data questions. In the second part, dentists answered questions about the characteristics of the dental offices where they work, the materials that they mostly use, and how they work with children. The third part of the questionnaire referred to attitudes about working and treating young children and consisted of 12 statements, to which the answers were offered on a Likert scale from one to five. This study showed that only 12.46% of dentists have a positive attitude toward treating children and 30.19% of dentists have a negative attitude toward treating children. In addition, the attitude toward working with children correlates with both the knowledge they acquired during dental studies (R = 0.355; p ≤ 0.001) and gender (R = −0.103; p = 0.035). This study confirmed that women have a more often positive attitude toward treating young children. There was a major correlation between the level of education and positive attitudes toward treating children. The child’s non-cooperative behavior was the main reason why general dentists refuse to work with children.

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Effect of apexification on occlusal resistance of immature teeth

Cited by 5 publications

References 30 publications

Factors influencing root resorption in retained mandibular second deciduous molars with congenital absence of second premolars: a cross-sectional study

Factors influencing root resorption in retained mandibular second deciduous molars with congenital absence of second premolars: a cross-sectional study

Influence of Bioceramic Cements on the Quality of Obturation of the Immature Tooth: An In Vitro Microscopic and Tomographic Study

The Attitude of the General Dentist in the Republic of Croatia toward Treating Children

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