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  1. Mansor N, Saub R, Othman SA
    J Orthod Sci, 2012 Oct;1(4):98-102.
    PMID: 24987635 DOI: 10.4103/2278-0203.105880
    The objective of this study was to assess changes in the oral health-related quality of life (OHRQoL) among patients wearing fixed orthodontic appliances 24 h after insertion.
  2. Nishi SE, Basri R, Rahman NA, Husein A, Alam MK
    J Orthod Sci, 2018;7:3.
    PMID: 29765915 DOI: 10.4103/jos.JOS_74_17
    OBJECTIVES: The aim of the study was to assess the association and correlation between the overjet and muscle activity (the masseter and temporalis muscles) in patient with Class II malocclusion in different genders using surface electromyography (sEMG).

    MATERIALS AND METHODS: The overjet (measured clinically) and electromyographical activity (rest, chew, post chew rest, clench and post clench rest) of the masseter and temporalis muscle of class II malocclusion patient were assessed in 18 patients (3 males and 15 females) from the School of Dental Science, Hospital University Sains Malaysia.

    RESULTS: The results were compared by simple linear regression test to evaluate the association between overjet and muscle activity in different genders. Class II malocclusion patients with increased overjet group showed significant association with masseter muscle activity on chewing stage (P = 0.005, F = 6.081 and adj-R2 = 0.473). Left temporalis muscle in class II malocclusion showed a significant linear association (P = 0.014, F = 0.812 and adj-R2= -0.034) with gender during clench.

    CONCLUSION: In conclusion, class II malocclusion patient with increased overjet can affect masticatory muscle function and as well as clench force may differ in gender.

  3. Roslan AA, Rahman NA, Alam MK
    J Orthod Sci, 2018;7:16.
    PMID: 30271761 DOI: 10.4103/jos.JOS_37_18
    OBJECTIVE: This study was carried to study the prevalence of dental anomalies and treatment modalities/planning among the orthodontic patients.

    MATERIALS AND METHODS: A total of 370 orthodontic records including their pre-treatment orthopantomographs (OPG) and study models of orthodontic patients in permanent dentition who attended dental clinic were assessed for impaction, hypodontia, supernumerary, supraocclusion, infraocclusion, and any other anomalies excluding the third molars. The association of anomalies with gender status and racial status was analyzed using Pearson's Chi-square test. A P value of <0.05 is considered as significant. The confidence interval at 95% (CI) was set.

    RESULTS: Among the 370 subjects, 105 (28.4%) presented with at least one anomaly. Eighty-five (23%) demonstrated a single anomaly and 20 (5.4%) with more than one anomaly. The most prevalent anomaly was impaction (14.32%), followed by hypodontia (7.03%). The less common anomalies were microdontia (1.08%), dilacerations (0.27%), and generalised enamel hypoplasia (0.27%). Maxillary right lateral incisors and canines were the most common affected teeth and these are located on the maxillary right quadrant. It was evident that dental anomalies were statistically dependant on race (P = 0.025), but independent of gender. The most common treatment planned for these patients was fixed appliance.

    CONCLUSIONS: Impaction was predominant among 28.4% subjects observed with anomaly and most patients with anomaly are treated with fixed appliances (49%).

    CLINICAL RELEVANCE: These anomalies play a great role in occlusion and alignment in treatment planning and relapse for orthodontic treatment.

  4. Abutayyem H, Alam MK, Kanwal B, Alswairki HJ, Alogaibi YA
    J Orthod Sci, 2023;12:51.
    PMID: 37881658 DOI: 10.4103/jos.jos_53_23
    Infection control is essential to protect both the doctor and the patient by preventing the spread of infectious diseases. There is no exception in the field of dentistry, particularly in orthodontics, where numerous appliances are used for a variety of functions and also because the mouth cavity has the highest concentration of bacteria of any body part. Through this systematic review, we aimed to assess the various methods of sterilization employed in an orthodontic setting. Using relevant keywords, reference searches, and citation searches, the databases such as PubMed, MEDLINE, Web of Science, Cochrane, and Scopus were all searched; a total of 206 documents were found, of which 113 were initially selected. The remaining 23 distinct papers were initially made available after 90 publications that were identical to or similar to one another were eliminated. The final selection was made from eight documents that met all inclusion and exclusion requirements. The existing methods of sterilization were found to be competent in dealing with the microorganisms found in a typical orthodontic setting. The chemical method of sterilization was the norm in most of the studies that we assessed, with glutaraldehyde and peracetic acid (PAA) being the most commonly employed compounds for disinfection. PROSPERO Registration Number: CRD42022380831.
  5. Alam MK, Abutayyem H, Alswairki HJ, Hajeer MY, Alogaibi YA
    J Orthod Sci, 2023;12:41.
    PMID: 37881655 DOI: 10.4103/jos.jos_85_23
    The nutritional needs already increased by adolescent growth, activity, and stress are further exacerbated by the physical, physiological, and psychological stress that orthodontic treatment causes. Hence, the main objective of this systematic review was to analyze the relationship between adequate nutrition and its impact on orthodontic treatment success rates. Using relevant keywords, reference searches, and citation searches, the databases such as PubMed-Medical Literature Analysis and Retrieval System Online, Web of Science, Cochrane, and Scopus were all searched. "Diet," "Minerals," "Nutrition," "Orthodontics," and "Vitamins" were the search terms used to scour the database. The 10 studies selected for the systematic review and subsequent meta-analysis could not conclusively establish the correlation between proper nutrition and its impact on orthodontic treatment of the patient. There was virtually little connection between patients' dietary intake and the effectiveness of their orthodontic treatment. Additionally, a direct causal link between the two could not be established legitimately because the majority of the studies reviewed only noted an impact during the early stages of the treatment. PROSPERO Registration Number: CRD42022380828.
  6. Abutayyem H, Alam MK, Kanwal B, Alswairki HJ, Alogaibi YA
    J Orthod Sci, 2023;12:50.
    PMID: 37881657 DOI: 10.4103/jos.jos_52_23
    A variety of metals and alloys are employed in the field of orthodontics, primary of which happen to be the construction of wires. Through this systematic review, we aimed to assess the various metallurgical characteristics of the said metals and alloys. Four hundred and eighty-two documents in total were found after a thorough search of the online journals, and 169 of the papers were initially chosen. Ultimately, 16 documents were selected that satisfied the necessary inclusion and exclusion criteria, primarily in vitro studies, literature reviews, and comparative analyses. NiTi alloy was found to be the most commonly used alloy in construction of orthodontic wires across all the studies that we had selected for our review. It also had better performance and consistency in terms of its usage as depicted by the meta-analysis performed, with stainless steel wires being a close second primarily due to its lesser cost compared to the former. Metallurgy and orthodontics are inextricably linked with one another. The various components of orthodontics such as wires, pliers, and other instruments utilize the metallurgical characteristics of metals and alloys that are specially prepared for the challenges of this field. PROSPERO Registration Number: CRD42022378444.
  7. Zulkiffili AM, Roslan LH, Azrin NHI, Azmi NN, Manivannan PC, Yap YH
    J Orthod Sci, 2023;12:77.
    PMID: 38234650 DOI: 10.4103/jos.jos_42_23
    CONTEXT: Malocclusion is a common dental issue that can lead to significant oral health problems. However, patient management and treatment options for malocclusion can vary, and there is a lack of information regarding self-perception and barriers to orthodontic care.

    AIMS: This study aimed to assess the self-perception of malocclusion and explore barriers to orthodontic care among residents of Bandar Saujana Putra in Klang Valley, Malaysia.

    SETTINGS AND DESIGN: A cross-sectional study through the use of a validated questionnaire was distributed to the residents of Bandar Saujana Putra. Responses were collected from June 2021 to February 2022 via both online (Google Forms) and physical forms.

    METHODS AND MATERIAL: The questionnaire consists of four sections, which assessed the respondents' demographics, understanding and awareness toward malocclusion, and barriers to orthodontic care.

    STATISTICAL ANALYSIS USED: Responses were analyzed using the Pearson Chi-square test with IBM SPSS version 26.

    RESULTS: A total of 231 responses were collected from 83 (35.9%) males and 148 (64.1%) females. Females had a significantly higher level of awareness and knowledge regarding malocclusion compared to males (P < 0.05). The majority of the female respondents (83.8%) agreed that malocclusion can lead to dental caries (P = 0.02) and 60.8% of them identified "unpleasant appearance" as the main barrier to orthodontic treatment (P < 0.001).

    CONCLUSIONS: The findings suggest that clear braces could be a viable alternative for patients who are concerned with their appearance and may be a solution to the barrier of "unpleasant appearance." Our study contributes to the existing literature on malocclusion and barriers to orthodontic care in Malaysia.

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