The 6-elements orthodontic philosophy: Treatment goals, classification, and rules for treating

Andrews, Lawrence F.

doi:10.1016/j.ajodo.2015.09.011

Cited by 48 publications

(30 citation statements)

References 13 publications

(15 reference statements)

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“… 17 External facial landmarks on the forehead and the corresponding facial reference lines were also used to evaluate the maxillary incisor position. 18 – 20 Some researchers have explored the relationship between cephalometric measurements of the lip position and facial esthetics; however, the results are far from conclusive. 21 – 24 Additionally, few studies have investigated the contributions of different facial parts to the entire facial esthetics.…”

Section: Introductionmentioning

confidence: 99%

Correlations between objective measurements and subjective evaluations of facial profile after orthodontic treatment

Sun

2020

J Int Med Res

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Objective To investigate the correlations between objective measurements and subjective evaluations of post-treatment facial attractiveness. Methods Ten orthodontists rated the subjective visual analog scale (VAS) scores of the facial profiles of 95 patients who had undergone orthodontic treatment. Post-treatment cephalograms and photographs were used. Eleven soft tissue measurements and eight maxillary incisor measurements were constructed and analyzed. Correlations between objective measurements and subjective VAS scores were evaluated using Pearson correlation and quadratic regression analysis. Results The VAS scores of different facial proportions were all correlated with the total VAS score. Among soft tissue measurements, the distances from the upper and lower lips to the E line, H angle, forehead inclination, distance from lower lip to the H line, and pogonion-menton angle were negatively correlated with the VAS scores. The Z angle, with a parabolic distribution, was also correlated with the VAS scores. Among maxillary incisor measurements, the distance from the maxillary incisors to the forehead’s anterior limit line and the angulation of the maxillary incisors to the APo line were negatively correlated with the VAS scores. Conclusions Several soft tissue and maxillary incisor position measurements were correlated with facial profile evaluation and therefore might be used to evaluate facial attractiveness.

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Section: Introductionmentioning

confidence: 99%

Correlations between objective measurements and subjective evaluations of facial profile after orthodontic treatment

Sun

2020

J Int Med Res

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“…Initiation of orthodontic treatment with "leveling" archwires requires wires with great range to accommodate the usual malalignment of bracket slots in the untreated malocclusion. Low stiffness is advantageous so that the forces can be kept as gentle as possible (3)(4)(5) . Based on the elastic property ratios of strength, stiffness, and range, two types of wires are suggested, i.e., a multistranded stainless steel wire or a nitinol-type wire (6) .…”

Section: Introductionmentioning

confidence: 99%

Effects of Laser Application on Leveling Efficiency Using Different Orthodontic Archwires

et al. 2020

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Purpose: to evaluate the effect of low level laser on leveling and alignment by using two types of orthodontic archwires. Materials and methods: A consecutive sample of 32 patients requiring fixed orthodontic appliances were grouped into four groups: laser group with 0.014 inch copper NiTi wire, laser group with 0.014 inch superelastic NiTi wire, 0.014 inch copper NiTi wire group without laser, 0.014 inch superelastic NiTi wire group without laser. Directly after the first arch wire insertion the investment group received a LLLT dose (laser application group of patients). The LLLT device was adjusted to 635 nm wavelength and with 2.2 J/point (energy dosage). There were four points of application regarding each mandibular incisor's root, two of them are buccal and the other two points are palatal. This laser dosage was applied repeatedly on 7, 14 and 28 days for each patient in the laser group. The evaluation of alignment by studying four casts taken along the initial stage of treatment (before treatment T0, Two weeks T1, four weeks T2 and six weeks T3 of treatment). Results: Statistical analysis between the groups revealed that there was no statistically significant difference between the four groups at four different intervals (T0-T1), (T1-T1), (T2-T3) and (T0-T3) (P-value = 0.813, 0.601, 0.646, 0.340) respectively. Conclusion: The two forms of NiTi wires (superelastic NiTi wire and Cu NiTi wire) during the alignment process in the initial stage of the treatment were the same regarding the efficiency of alignment, either with or without laser application, and for the acceleration of the tooth movement in orthodontics the application of LLLT wasn't effective during the initial aligning stage of orthodontic treatment either with superelasti NiTi wire or Cu NiTi wire.

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“…WALA (the initials of Will Andrews and Larry Andrews) is the most prominent point in the keratinized gingiva close to the mucogingival junction (3). Where the WALA points unite, they create a ridge in the keratinized gingiva.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Relationship between Curve of Spee, WALA-FA Distance and Curve of Wilson in Normal Occlusion

Di̇ndaroğlu¹,

Duran²,

Tekeli³

et al. 2017

Turk J Orthod

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Objective: To test the hypotheses that (i) there is a significant correlation between the curve of Spee (COS), basal arch (WALA ridge) to dental arch distance (WALA-FA distance) and curve of Wilson (CW) and that (ii) the deepening of the COS is affected by the CW and the WALA-FA distance.Methods: Mandibular models of 50 patients aged between 20 and 35 years were scanned with TRIOS. The xyz coordinate system was determined, and a reference occlusal plane was generated. The depth of the COS, the CW, and WALA-FA distance were measured using an engineering software. Results:The greatest difference in the measurement of the depth of the COS between the right and left was found to be 0.41±0.50 mm in the first molar teeth. On the basis of the results of Pearson correlation analysis, there was no strong correlation between the depth of the COS, the CW, and the WALA-FA distance. Conclusion:It was shown that there was no strong correlation between the depth of COS, CW, and WALA-FA distance. The CW and WALA-FA distance could not be effective in the deepening of the COS.

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The 6-elements orthodontic philosophy: Treatment goals, classification, and rules for treating

Cited by 48 publications

References 13 publications

Correlations between objective measurements and subjective evaluations of facial profile after orthodontic treatment

Correlations between objective measurements and subjective evaluations of facial profile after orthodontic treatment

Effects of Laser Application on Leveling Efficiency Using Different Orthodontic Archwires

Evaluation of the Relationship between Curve of Spee, WALA-FA Distance and Curve of Wilson in Normal Occlusion

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