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Fulltext Assessment of interradicular spaces for miniscrew placement in class I subjects

Al-Jaf, Nagham, Rohaya Megat Abdul Wahab, Mohamed Ibrahim Abu Hassan

Compendium of Oral Science, 2015;2(1):14-20.
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Objectives: To assess interradicular spaces of maxilla and mandible in subjects with class I sagittal skeletal relationship as an aid for miniscrew placement. Materials and Methods: The study was carried out using cone-beam computed tomography (CBCT) images of 47 adult subjects with class I skeletal relationship. Interradicular spaces were obtained at the alveolar processes from first premolar to second molar at 2 different vertical levels (6 and 8mm) from the cementoenamel junction (C.E.J). Results: In the maxilla, the highest inter-radicular space existed between second premolar and first molar. In the mandible, the highest interradicular space existed between first and second molar. All mandibular measurements were higher than their respective maxillary measurement. Generally, availability of interradicular space increases apically in both arches, but the difference is not significant. In the maxilla, male subjects’ measurement were significantly higher at 8 mm level between second premolar and first molar and between first and second molar Conclusions: Interradicular spac-es in the maxillary and mandibular alveolar spaces are available for miniscrew placement. In both arches, a more apical location provides more interradicular space. However, careful planning is needed to avoid sinus perforation.
Fulltext Dental students’ interaction with clinical instructors: students’ perspective and dental school’s administrator dean’s response

Al-Jaf, Nagham Mohammed Abdullah, Budi Aslinie Md Sabri, Muhamad Faizran Looszen Bin Fadly Loo, Ahmad Aizat Bin Ahmad Shaifuddin

Compendium of Oral Science, 2017;4(1):28-39.
MyJurnal

Objectives: To evaluate the impact of the clinical instructor communication on dental students’ clinical training in Faculty of Dentistry, Universiti Teknologi Mara (UiTM). Materials and Methods: A sample of 174 undergraduate clinical dental students were recruited to complete the Clinical Education Instructional Quality Questionnaire (ClinEd IQ) which consists of forty-five questions, forty-three multiple choice questions and two open-ended. The multiple-choice questions consist of 3 subscales which were measured on a six-point Likert Scale from “strongly disagree” to “strongly agree”. The open-ended responses were analysed using thematic analysis. This paper discusses the Subscale of interaction with clinical instructors and the open-ended responses. Results: The responses of 150 students were evaluated. The students rated their interaction with instructors with a mean score of 4.64 on a six -point scale. There was a significant difference between mean scores for each academic level with year five students’ score being highest. There were four areas of concern identified through the open-ended responses. Conclusion: While the quality of supervision in terms of interaction with clinical instructors is considered satisfactory and the students generally reported positive experiences, there is room for improvements especially regarding areas of concern.
Fulltext Soft-Tissue Analysis of Different Sagittal Skeletal Patterns Using the Geometric Morphometric Method

Sazgar T, Al-Jaf NM, Norman NH, Alias A

Eur J Dent, 2023 Feb;17(1):97-106.
PMID: 35436793 DOI: 10.1055/s-0042-1743149

OBJECTIVES: This study aimed to investigate the size and shape variations of soft-tissue patterns in different sagittal skeletal patterns using the geometric morphometrics method (GMM) obtained from lateral cephalograms.
MATERIALS AND METHODS: This is a retrospective study, where the sample comprised of 188 Malaysian Malay subjects aged between 18 and 40 years and with different sagittal skeletal patterns. Overall, 71 males and 117 females were gathered for all size and shape analyses. This study incorporated 11 soft-tissue landmarks, which underwent landmark application using tpsDig2 software version 2.31, while the shape analysis was done using MorphoJ software version 1.07a.
STATISTICAL ANALYSIS: Statistical analyses were performed using IBM SPSS Statistics 26. The result of the analysis of variance (ANOVA) test showed significant differences in some of the parameters between the landmarks. Length D, Length E, Length F, Length H, and Length I showed significant differences (p 0.05).
RESULTS: The shape variation of soft-tissue landmarks in different skeletal patterns existed in 18 different dimensions which showed by 18 principal components (PCs). Procrustes ANOVA and canonical variate analysis showed the size and shape differences of soft-tissue patterns between Class II and III and gender groups (p

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