Orthodontics. Part 6: Risks in orthodontic treatment

Travess, H; Roberts-Harry, D; Sandy, Jonathan R

doi:10.1038/sj.bdj.4810891

Cited by 109 publications

(86 citation statements)

References 28 publications

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“…[1][2][3][4][5] When checking the MS and LB scores, both appear to have a strong effect on DFS and the caries risk. We therefore believe that a chairside saliva test is very worthwhile in order to reduce a patient's caries risk.…”

Section: Discussionmentioning

confidence: 99%

“…[1][2] Patients undergoing fixed appliance treatment often have high salivary and plaque counts of mutans streptococci due to a favorable environment for the accumulation of microorganisms and food particles, 3 which increases the caries risk. 4 The use of conventional oral hygiene procedures in orthodontic patients for plaque removal is more difficult, and, adjacent to the brackets, the clearance of plaque and carbohydrates by saliva is also reduced.…”

Section: Introductionmentioning

confidence: 99%

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Caries Risk Profiles in Orthodontic Patients at Follow-Up Using Cariogram

Mulla

Kharsa

Kjellberg

et al. 2009

The Angle Orthodontist

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Objective: To analyze caries-related factors shortly after orthodontic treatment and to use the Cariogram computer program to describe caries risk profiles at follow-up in these patients. Materials and Methods: One hundred orthodontic patients age 12-29 years, with a mean age of 17.5 years, were included in the study. They were divided into two groups (50 in each) based on their prebonding decayed, filled surfaces index (DFS). High (5 Ն DFS) and low (2 Յ DFS) groups were created. All patients were examined after debonding in the following order: interview, plaque score, caries examination, saliva samples, bitewing radiographs, panoramic radiographs, and intra-oral digital photos. All types of carious lesions in both the enamel and dentine were diagnosed clinically and radiographically and included in the DFS index. A paraffin-stimulated whole saliva sample was collected for estimations of secretion rate, buffer capacity, and number of mutans streptococci and lactobacilli.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Caries Risk Profiles in Orthodontic Patients at Follow-Up Using Cariogram

Mulla

Kharsa

Kjellberg

et al. 2009

The Angle Orthodontist

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“…27 However, conventional orthopedic devices can produce unwanted tooth movements, induce excessive stress on supporting structures, and generate issues with patient compliance. 28,29 Mini-implants, with enhanced stability to withstand the forces required for orthopedic movements, have the potential to accomplish skeletal correction by applying forces directly onto skeletal structures without undesirable dental movements. 8,30 If the N2 can be further modified to contain an orthopedic spring or integrated within a functional appliance apparatus for both Class II and Class III skeletal discrepancy, it is possible for the N2 to be used directly in orthopedic correction.…”

Section: 23mentioning

confidence: 99%

Mechanical stability and clinical applicability assessment of novel orthodontic mini-implant design

Song¹,

Hong

Banh

et al. 2013

The Angle Orthodontist

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Objective: To compare the stability and clinical applicability of a novel orthodontic mini-implant design (N2) with the most widely used commercially available (CA) design. Materials and Methods: Two groups of mini-implants were tested: a CA design (1.5-mm diameter, 6-mm length) and N2 (3-mm diameter, 2-mm length, tapered shape). Implants were inserted in bone blocks of cortical bone simulation with varying densities (20 pounds per cubic foot [pcf], 30 pcf, and 40 pcf). A torque test was used to measure maximum insertion torque (MIT) and maximum removal torque (MRT). Compression and tension force vectors were applied at angles of 10u, 20u, 30u, and 40u using customized load pins to determine primary stability. Results: Mean MIT and MRT were higher in the N2 than the CA design at all three cortical bone densities except MRT in 20 pcf bone (not statistically significant). The mean compression force required to displace the N2 at all distances and angulations was greater for the N2 than the CA design. At all displacement distances, the highest mean tension force required for N2 displacement was at 10u angulation, whereas at 30u and 40u, the mean tension force required to displace the CA design was greater. Conclusions: The primary stability of the N2 is superior to that of the CA design and is promising for both orthodontic and orthopedic clinical applicability, especially under compression force. The short length of the N2 reduces risk of damage to anatomic structures and root proximity during placement and orthodontic treatment. The stability of the N2 may be compromised in areas of high bone density and highly angulated tension force. (Angle Orthod. 2013;83:832-841.)

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“…Decalcification of enamel and ensuing white spot lesions are common around orthodontic brackets. 4 Gorelick et al found that 5% of patients undergoing fixed appliance therapy had at least one white spot lesion after treatment, irrespective of whether teeth were bonded or banded. 5 These lesions can develop as early as 1 month into treatment, 6,7 and remain an esthetic concern 5 years after removal of the appliances.…”

mentioning

confidence: 99%

Bond strength comparison of color-change adhesives for orthodontic bonding using a self-etching primer

Ekhlassi¹

2011

CCIDE

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Background:The purpose of this study was to compare the shear bond strengths of two color-change adhesives with a commonly used conventional light-cure adhesive while using a self-etching primer, and to compare any changes in shear bond strengths over time. Methods: One hundred and eighty extracted bovine incisors were randomly divided into nine groups of 20 teeth each. The teeth were prepared with a self-etching primer (Transbond™ Plus) Metal lower incisor brackets were bonded directly to each tooth with two different colorchange adhesives (TransbondPlus and Grengloo™) and a control (Transbond XT). The teeth were debonded at three different time points (15 minutes, 24 hours, 1 week) using an Instron at 1.0 mm/min. The teeth that were to be debonded at 24 hours and 1 week were stored in distilled water at 37°C to simulate the oral environment. The data were analyzed by two-way analysis of variance and with Fisher's protected least-significant difference multiple comparisons test at the P , 0.05 level of significance. Adhesive remnant index (ARI) scores were calculated for each debonded tooth. Results: Transbond Plus at 1 week had the highest mean shear bond strength (14.7 mPa). Grengloo tested at 24 hours had the lowest mean shear bond strength (11.3 mPa). The mean shear bond strengths for the remaining seven groups had a range of 12-14.5 mPa. Grengloo had .80% samples presenting with an ARI score of 1 at all times. Interestingly, both Transbond groups had ARI scores of 3 in more than 50% of their samples. Conclusion: Time had no significant effect on the mean shear bond strength of Transbond XT, Grengloo, or Transbond Plus adhesive.

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Orthodontics. Part 6: Risks in orthodontic treatment

Cited by 109 publications

References 28 publications

Caries Risk Profiles in Orthodontic Patients at Follow-Up Using Cariogram

Caries Risk Profiles in Orthodontic Patients at Follow-Up Using Cariogram

Mechanical stability and clinical applicability assessment of novel orthodontic mini-implant design

Bond strength comparison of color-change adhesives for orthodontic bonding using a self-etching primer

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