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Objectives To analyze adaptational changes in clear aligner fit after intraoral usage at different sets of time. Materials and Methods Eight Invisalign appliances (Align Technology, San Jose, California, USA) were collected after intraoral usage. Acrylic imprints of the lower incisor region were constructed for each appliance at T0 (unused appliance). Two appliances were then used intra-orally for each of the following defined periods of time: 3 days, 7 days, 10 days, or 15 days. Used aligners were adapted on its T0 imprint and both were sectioned buccolingually from the distal surfaces of each incisor at the attachment area. Eight surfaces were collected for each set of time (n = 32 surfaces). Microphotographs of obtained sections and micrometric measurements of aligner fit were recorded at five different levels using scanning electron microscopy (SEM). Mean values of the fit changes (gap width) and group comparisons were statistically analyzed using analysis of variance and Tukey's post hoc tests. Significance level was set at P < .05. Results Highly significant differences in aligner fit were found at the different time points assessed (P < .001) with the least mean gap width at 15 days (176 ± 98 μm) and the highest at 7 days (269 ± 145 μm). Significant differences in aligner fit at different attachment levels were also found (P < .01) with the least mean gap width at the middle of the labial surface of the attachment (187 ± 118 μm). Conclusions The 15-day period of intraoral aligner wear might still be recommended as it showed the best adaptation and least gap width between the aligner and the attachment.

Objective:We attempted toassess the prevalence of malocclusion, in terms of age and gender in the Kingdom of Saudi Arabia. We also attempted to identify the predominant risk factors for malocclusion and consequences of the same. Methods:A cross-sectional questionnaire study was conducted. Patients were questioned on heredity, childhood adverse oral habits and feeding habits. Questions pertaining to dental history and current oral health were also asked. Recorded data was analysed using SPSS version 17. Results:Malocclusion was more prevalent in males and below 20 years of age. Tongue thrusting increased the risk of malocclusion by 59%, bottle feeding by 18%, while heredity increased malocclusion risk by 98%. Malocclusion increased the chances of developing dental caries or periodontal disease by 26%, while the risk of dental or facial trauma was increased by 86%. Conclusion: Heredity and tongue thrust habit are the most significant risk factors for malocclusion. Patients with malocclusion are at high risk of developing dental or facial trauma, and are at slight risk of developing caries or periodontal problems.

Introduction: The apical periodontitis possesses an association with the increased inflammatory markers levels, which contribute to the systematic immune response, leading towards systematic inflammation. The endodontic infections were reported to contribute to the CVD via the metastatic pathways however, there is a requirement to analyse the impact of endodontic infections on the pathogenesis of the cardiovascular disease. Aim:This research aims to assess the impact of endodontic infections on the pathogenesis of the cardiovascular disease. Material andMethod:This research was conducted using a cross-sectional research design by recruiting N=120 inpatients and outpatients visiting the healthcare organisation located in Saudi Arabia. Results:The endodontic infections are likely to increase the overall inflammatory burden, which might increase the risk of CVD among the individuals. Due to the multifactorial aetiology of CVD, the oral diseases are perceived to possess associated with the CVD. Thestatistical analysis revealed that there is no association between the presence of the lesion of endodontic origin and cardiovascular diseases. Conclusion:There is no association between the presence of the lesion of endodontic origin and cardiovascular diseases.

Statement of problem: Prosthodontics has received significant attention both in research and practice. However, limited research examines its prevalence and how effective it is. Purpose: The purpose of this clinical study is to examine the prevalence of prosthodontics and its associated complications Material and methods: A sample of 1005 individuals derived from the general Saudi Arabia was used in this study. Data was collected using a questionnaire. The data collected was analyzed using SPSS. Results: There is a generally low prevalence of prosthodontics in Saudi Arabia. The common type of prosthodontics used is the fixed prosthodontics. Majority of those who have done prosthodontics didnt suffer any associated complications. However, for those who depicted complications, the common one was caries. Other complications include root fracture and porcelain veneer fracture. Conclusion: Prosthodontics is not widely used. On the other hand, it is not 100% effective in treating oral health problems. Clinical implications: There is need to develop better ways of dealing with poor oral health and patients need to be examined well to determine the underlying risk factors before prosthodontics is carried out.

Objectives: To assess the prevalence and awareness of dental problems during pregnancy, and to ascertain the risk factors that lead to dental problems in pregnancy. Methods: A cross-sectional questionnaire study was conducted. Patients who were currently pregnant or had been pregnant were selected, and questioned on the frequency and type of dental problems during pregnancy, treatment availed and systemic problems. Recorded data was analysed using SPSS version 17. Results: A total of 64.5% of patients experienced dental problems during pregnancy. Dental caries was the most frequent problem (50.7%), followed by gingivitis (48.4%). Only 14% of patients availed dental treatment. Presence of systemic diseases and low oral hygiene scores were associated with significantly higher incidence of dental problems. Conclusions: This study demonstrated that several pregnant women experience dental problems during pregnancy, however, many perceive that they have normal to good oral hygiene. Low oral hygiene status and systemic problems were more significantly associated with dental problems during pregnancy.

Periodontal disease is a broad spectrum that involves different entities and severity levels of the disease. Dental implants, just like normal teeth, can be affected by periodontal disease. This descriptive questionnaire-based study provides a brief shot on the most prevalent periodontal diseases associated with dental implants, associated risk factors, and levels of understanding and awareness about oral hygiene in the Saudi population. Results concluded that 10.5% of population have dental implants. 28.5% the sample confirmed that they have some sort of periodontal disease. Most prevalent symptoms among patients with dental implants are in order: periodontal pockets, redness and blood spitting after tooth brushing, and finally gingival recession. Most associated co-morbidities are cardiovascular disease and diabetes mellitus. Regarding oral hygiene, through assessing two oral health concepts: twice daily tooth brushing, and balanced diet, it is found that more than half of the sample (51.3%) apply these two concepts in their life, while the rest of the sample misses one or both of these two concepts. Focus should be directed toward raising the public awareness about periodontal disease and its symptoms, especially in cases of dental implants, and raising understanding and awareness about different oral health concepts.

Purpose To evaluate patients' perceptions regarding orthodontic treatment duration, cost, and willingness to undergo different procedures and techniques available to accelerate orthodontic tooth movement in Saudi Arabia. Patients and methods A cross-sectional survey was conducted in Saudi Arabia from January to March 2019. Patients from multiple centers were electronically surveyed regarding their perception of orthodontic treatment duration, acceptance of appliances and techniques available to shorten the duration of orthodontic treatment, and how much increase in fees they were willing to pay for those appliances and techniques. Descriptive and group comparison statistics were conducted, and the significance level was set at p 18-25 years old), 67.5% female, 80% Saudi, 67.5% self-pay and 52% with annual income 0.05). 47.5% of the participants were able to pay for additional procedures. An increase in treatment fees was reported for up to (30-40%) for FDA approved teeth vibrators by 59% of the participants, followed by FDA approved drug injections by 33% of the participants. A significant difference in responses between the groups was reported according to gender and annual income (p

Objectives: The objective was to compare dentofacial characteristics of Class I malocclusion in Saudi and Japanese adult females. Materials and Methods: Lateral cephalograms of 50 Saudi adult female and 50 Japanese adult female (18-35-year-old) were obtained. All patients were skeletal Class I, angle Class I malocclusion, arch length discrepancy (−10-10 mm), overjet (1-5 mm), overbite (1-5 mm), absence of congenital anomalies, or significant facial asymmetries or congenitally missing tooth other than the 3 rd molar and absence of temporomandibular joint problems. Patient cephalograms were traced and digitized. 16 angular measurements and 13 linear measurements of facial form were used. Results: A comparison of the vertical dimension showed that the Saudi females had a significantly larger gonial angle, a significantly larger facial angle and longer lower face height compared to the Japanese females. Dentally, Saudi females had more protruded incisors with increased distances of the posterior teeth to the palatal plane. For the soft tissue dimension, the Saudi subjects had a significantly more prominent nose, retruded lip and a more protruded chin compared with Japanese. Conclusions: There were significant differences in dentofacial morphology between Saudi and Japanese adult females. Both Asian countries have distinct cephalometric features, which should be considered as a reference in treating patients of varying ethnic backgrounds to optimize the final results.