Evaluation of temperature rise in the pulp during various IPR techniques—an in vivo study

Banga, Kiran; Arora, Nitin; Kannan, Sridhar; Singh, Ashish Kumar; Malhotra, Abhita

doi:10.1186/s40510-020-00340-6

Cited by 8 publications

(4 citation statements)

References 20 publications

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“…Clearly, the way on how the IPR is performed can affect the result, but it may be even more important the amount of enamel that is removed, as the enamel is a tissue that once is lost, it cannot be recovered 4,34 . It has been stated in the literature that 50% of the proximal enamel can be removed without harming the patient; nevertheless, the authors of this systematic review searched for the evidence regarding this claim, and this percentage doesn't come from randomized clinical trials; therefore, this information must be implemented carefully [35][36][37] .…”

Section: Discussionmentioning

confidence: 99%

Proximal enamel thickness quantification in orthodontics for interproximal reduction: A systematic review

2022

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Background: Interproximal enamel reduction is a valuable procedure in orthodontics used in several conditions, however, not knowing the average value of proximal enamel thickness might lead to excess enamel removal and consequently to adverse effects. Objective: The objective of this systematic review is to expose the average proximal enamel thicknesses found in the literature, and the differences that might be found between different ethnicities and age groups. Search Methods: 5 electronic databases were used to perform the search. Representative keywords comprised of “enamel”, “thickness”, “orthodontics” “proximal thickness” and “quantification”; different combination of these keywords with truncation, and medical subject headings (MESH) were used. Selection Criteria: In vitro and in vivo studies, where the quantification of the proximal enamel thickness of the mesial and distal sides were evaluated independently. Data Collection and Analysis: The PICO model was used to evaluate and select the in vitro and in vivo studies. ROBINS-I tool was used to assess the risk of bias of non-randomized clinical studies and a modification of Cochrane risk of bias tool was implemented for the in vitro studies. The quality of evidence and results were evaluated using The Joanna Briggs Institute (JBI) Critical Appraisal checklist tools for Quasi-Experimental Studies. Results: Literature search identified 3298 records from 5 databases. Ultimately, nine eligible studies were included in the review. Conclusions: The proximal enamel thickness increases as we move distal through the arch and is greater on the distal side compared to the mesial side of each individual tooth. Additionally, there is no difference in the proximal enamel thickness between genders but there is between ethnicities.

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Section: Discussionmentioning

confidence: 99%

Proximal enamel thickness quantification in orthodontics for interproximal reduction: A systematic review

2022

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“…The effects of the distribution and number of attachments on periodontium have yet to be elucidated. Recently, IPR has surpassed extractions as the most popular orthodontic procedure in cases of invisible non-extraction [ 13 ]. Correcting anterior crowding with IPR can avoid OGE because the ideal gingival apposition area can reduce or prevent retrusion of papillae [ 14 , 15 ], yet no evidence from clinical trials with large sample size have addressed this specific outcome.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

IPR treatment and attachments design in clear aligner therapy and risk of open gingival embrasures in adults

Zhang

Wang

et al. 2023

Prog Orthod.

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Background The incidence of open gingival embrasures (OGE) in patients after fixed appliance treatment is relatively high, while there are no detailed reports on patients after clear aligner therapy. Also, no clinical studies with large sample size have investigated whether interproximal enamel reduction (IPR) can actually avoid OGE. The purpose of this study was to determine the prevalence of OGE in adults after clear aligner therapy and to investigate the risk of OGE associated with IPR treatment and attachment design, focusing on the amount and distribution in mandibular anterior teeth. Methods Pre-treatment and post-treatment intraoral frontal photographs of 225 non-extraction patients were evaluated retrospectively for the occurrence and severity of OGE. The amount of IPR and the number of attachments in the anterior teeth from subjects after screening were recorded according to the first version of clear aligner software (Clincheck, San Jose, USA) and clinical medical documents. Logistic regression analysis was performed to identify the factors contributing to OGE. Results The incidence of OGE in non-extraction patients after clear therapy between maxillary and mandibular central incisors was 25.7% and 40.3%, respectively. IPR was not associated with the occurrence of OGE but was associated with severity (P < 0.05). The number of attachments in the anterior teeth or central incisors was significantly related to the incidence of OGE (P < 0.05) but was not associated with severity. Conclusion A high rate of OGE occurs after clear aligner therapy. Clinicians should be aware of the application of IPR and the design of attachments during clear aligner therapy.

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“…Banga et al observaron que la IPR realizada mediante fresa con turbina, tira de metal manual (Horico) y Kit de tiras de motor con contraángulo de IPR de ortodoncia no incrementaba la temperatura más de 5.5ºC 76 . Zach y Cohen observaron que un aumento de la temperatura superior a 5.5°C podría inducir una necrosis pulpar 77 .…”

Section: Efecto Térmico Sobre El Tejido Pulparunclassified

Predictibilidad de la reducción de esmalte interproximal realizado mediante una técnica de navegación estática asistida por ordenador

Cotrina Peregrín

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The aim of this study was to analyze and compare the accuracy of a novel interproximal enamel reduction (IPR) technique based on a computer-aided static navigation technique with respect to a conventional free-hand-based technique for interproximal enamel reduction. Twenty anatomical-based experimental cast models of polyurethane were randomly distributed into the following IPR techniques: IPR technique based on computer-aided static navigation technique (n = 10) (GI) for Group A and conventional free-hand-based technique for the IPR (n = 10) (FHT) for Group B. The anatomical-based experimental cast models of polyurethane randomly assigned to the GI study group were submitted for a preoperative 3D intraoral surface scan; then, datasets were uploaded into 3D implant-planning software to design virtual templates for the interproximal enamel reduction technique. Afterward, the anatomical-based experimental cast models of polyurethane of both GI and FHT study groups were subjected to a postoperative digital impression by a 3D intraoral surface scan to compare the accuracy of the interproximal enamel reduction techniques at the buccal (mm), lingual/palatal (mm), and angular (•) levels using the Student t-test. Statistically significant differences between the interproximal enamel reduction technique based on the computer-aided static navigation technique and the conventional free-hand-based technique for the interproximal enamel reduction at the buccal (p = 0.0008) and lingual/palatal (p < 0.0001) levels; however, no statistically significant differences were shown at the angular level (p = 0.1042). The interproximal enamel reduction technique based on computer-aided static navigation technique was more accurate than the conventional free-hand-based technique for interproximal enamel reduction.

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Evaluation of temperature rise in the pulp during various IPR techniques—an in vivo study

Cited by 8 publications

References 20 publications

Proximal enamel thickness quantification in orthodontics for interproximal reduction: A systematic review

Proximal enamel thickness quantification in orthodontics for interproximal reduction: A systematic review

IPR treatment and attachments design in clear aligner therapy and risk of open gingival embrasures in adults

Predictibilidad de la reducción de esmalte interproximal realizado mediante una técnica de navegación estática asistida por ordenador

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