Rickett’s and Holdaway analysis following extraction of four premolars and orthodontic treatment in bimaxillary protrusion female Malays

Huqh, Mohamed Zahoor Ul; Hassan, Rohayanti; Abidin, Suhaila B Zainal; Karobari, Mohmed Isaqali; Yaqoob, Muhammad Azeem

doi:10.4103/jioh.jioh_155_19

Cited by 3 publications

(2 citation statements)

References 3 publications

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“…However, inter-group comparisons revealed no significant changes. Similarly, significant changes were observed in the E-line to upper and lower lip in both groups, which corroborates the findings of previous studies by Huqh et al 24 and Parayaruthottam et al 18 . Inter-group comparisons revealed no significant differences.…”

Section: Discussionsupporting

confidence: 92%

“…There was a reduction in lip strain as a result of incisor retraction in both the friction and frictionless groups, and their comparison yielded statistically insignificant changes, which is in concordance with the results of studies conducted by Sundareswaran and Vijayan 10 and Hugh et al 24 . The decrease in lip strain is attributed to osseous changes following retraction, which further leads to soft tissue retraction and a decrease of lip strain 25,27 .…”

Section: Discussionsupporting

confidence: 90%

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Soft tissue and incisor position changes in class I bimaxillary subjects after retraction using friction and frictionless mechanics

Menta,

Shetty,

Ravi

et al. 2023

Braz.j. of oral sci.

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Aim: Bimaxillary protrusion is a common condition observed irrespective of race and ethnicity and is a chief concern for patients who seek orthodontic treatment. The aim of this study was to compare and evaluate changes in soft tissue structures and incisor positions in class I bimaxillary protrusion subjects undergoing orthodontic therapy when friction and frictionless mechanics were used. Methods: Two groups with a total of 40 patients aged 18–30 years diagnosed with class I bimaxillary protrusion treated by extracting first premolars were considered for this study. Patients treated with friction mechanics were included in Group 1 and those treated with frictionless mechanics in Group 2. The digital lateral cephalograms were calibrated and analyzed using Nemoceph software. Selected landmarks were marked on pre- and post-treatment cephalograms and assessed for intra- and inter-group soft tissue and incisor position changes. Student’s t-test was used to analyze the collected data using SPSS 20 software. Result: Intragroup comparison revealed significant changes in both groups. Inter-group comparison of the selected parameters between groups 1 and 2 showed differences but without any statistical significance, except for the inter-incisal angle. Conclusion: Pre- and post-treatment comparison analysis revealed significant soft tissue changes in both groups. However, the comparison between friction and frictionless mechanics showed no statistically significant changes.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionsupporting

confidence: 90%

Soft tissue and incisor position changes in class I bimaxillary subjects after retraction using friction and frictionless mechanics

Menta,

Shetty,

Ravi

et al. 2023

Braz.j. of oral sci.

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Ricketts cephalometric method in orthodontic diagnosis

Brotskyi

2024

Rep. of Vinnytsia Nation. Med. Univ.

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Annotation. Cephalometric techniques are key tools in orthodontic diagnosis, planning and evaluation of treatment results. The Ricketts method is important because of its accuracy and reliability. Features of the approach to the analysis of craniofacial structures require detailed analysis to optimize the choice of this method depending on specific clinical situations. In this regard, there is a need for a review of new literary sources related to this topic, as it provides a systematic review of the specified technique, which will help orthodontists to improve the efficiency of diagnosis and treatment of patients. The purpose of the study is to evaluate the achievements of the Ricketts cephalometric analysis method in the conditions of modern orthodontic practice. An analysis of literary sources was carried out using the PRISMA principle in order to select scientometric sources from the Google Scholar, Scopus, Web of Science databases. Out of 77 publications found according to the criteria, 20 were selected for the review. The technique of cephalometric analysis according to Ricketts is an important tool in orthodontic diagnostics, which allows for accurate and comprehensive analysis of craniofacial structures. Thanks to its unique parameters and measurements, this technique provides an opportunity to assess the patient's condition in detail, predict treatment results and develop effective orthodontic plans. The practical application of the Ricketts technique in clinical practice confirms its effectiveness in various orthodontic cases, including complex diagnostic situations. However, to ensure the maximum accuracy of the results, it is important to follow the technical recommendations for performing measurements and use modern equipment. Scientific research and experience in the practical application of the Ricketts method testify to its reliability and usefulness in orthodontic diagnostics. The Ricketts technique is an integral part of modern orthodontic practice, helping to improve the efficiency of diagnosis and treatment of patients with craniofacial anomalies. At the same time, a strong dependence of the method on such parameters as ethnicity, age, gender, and face type was revealed. Thus, further research is necessary for the full integration of the cephalometric analysis method into the practice of Ukrainian orthodontists.

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Proposed parameters of optimal central incisor positioning in orthodontic treatment planning: A systematic review

et al. 2022

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Objective Planning of incisal position is crucial for optimal orthodontic treatment outcomes due to its consequences on facial esthetics and occlusion. A systematic summary of the proposed parameters is presented. Methods Studies on Google Scholar © , PubMed © , and Cochrane Library, providing quantitative information on optimal central incisor position were included. Results Upper incisors supero-inferior position (4–5 mm to upper lip, 67–73 mm to axial plane through pupils), antero-posterior position (3–4 mm to Nasion-A, 3–6 mm to A-Pogonion, 9–12 mm to true vertical line, 5 mm to A-projection, 9–10 mm to coronal plane through pupils), bucco-lingual angulation (4–7° to occlusal plane perpendicular on models, 20–22° to Nasion-A, 57–58° to upper occlusal plane, 16–20° to coronal plane through pupils, 108–110° to anterior-posterior nasal spine), mesio-distal angulation (5° to occlusal plane perpendicular on models). Lower incisors supero-inferior position (41–48 mm to soft-tissue mandibular plane), antero-posterior position (3–4 mm to Nasion-B, 1–3 mm to A-Pogonion, 12–15 mm to true vertical line, 6–8 mm to coronal plane through pupils), bucco-lingual angulation (1-4° to occlusal plane perpendicular on models, 87–94° to mandibular plane, 68° to Frankfurt plane, 22–25° to Nasion-B, 105° to occlusal plane, 64° to lower occlusal plane, 21° to A-Pogonion), mesio-distal angulation (2° to occlusal plane perpendicular on models). Conclusions Although these findings can provide clinical guideline, they derive from heterogeneous studies in terms of subject characteristics and reference methods. Therefore, the optimal incisal position remains debatable.

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Rickett’s and Holdaway analysis following extraction of four premolars and orthodontic treatment in bimaxillary protrusion female Malays

Cited by 3 publications

References 3 publications

Soft tissue and incisor position changes in class I bimaxillary subjects after retraction using friction and frictionless mechanics

Soft tissue and incisor position changes in class I bimaxillary subjects after retraction using friction and frictionless mechanics

Ricketts cephalometric method in orthodontic diagnosis

Proposed parameters of optimal central incisor positioning in orthodontic treatment planning: A systematic review

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