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1.
Cranio ; : 1-8, 2020 Oct 19.
Artículo en Inglés | MEDLINE | ID: mdl-33074797

RESUMEN

OBJECTIVE: To analyze bite force distribution in subjects with different occlusal characteristics. METHODS: This prospective study included 132 candidates (50 males, 82 females) seeking orthodontic treatment, who were divided into four groups based on Angle's classification of malocclusion. T-Scan® III Version 7.0 was used to record their relative distribution of bite forces, which were compared using gender, Angle's occlusal classification, overjet, overbite, space analysis, sagittal, and transverse skeletal relations variables. RESULTS: ANOVA revealed significant differences in posterior/anterior bite force ratios between sagittal dental and skeletal relationships, overjet, and overbite groups (p < 0.05). No significant difference was found between different space analysis and transverse relationship groups (p > 0.05) or between genders (p > 0.05). CONCLUSION: Subjects with Class III, decreased overjet and decreased overbite displayed higher bite force in posterior teeth compared to other groups. This feature must be considered when evaluating patients with dental and periodontal pathologies that might be affected by excessive tooth stress, especially in subjects with oral parafunctions and bruxism.

2.
J Oral Rehabil ; 47(12): 1503-1510, 2020 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-32966657

RESUMEN

OBJECTIVES: To analyse occlusion time, occlusal balance and lateral occlusal scheme in subjects with various dental and skeletal characteristics. METHODS: A total of 132 subjects (50 males and 82 females) seeking orthodontic treatment were included in this prospective study. Using the T-Scan III version 7.0 (Tekscan Inc, South Boston, MA, USA), the occlusion time, occlusal balance and lateral occlusal schemes were recorded and compared with gender, Angle's occlusal classification, overjet, overbite, space analysis, skeletal and transverse relations. ANOVA, t test and contingency tables analyses were performed. Statistical significance was set at P < .05. RESULTS: Occlusion time was significantly shorter in subjects with balanced occlusion (0.18 seconds, P < .001), Class I normal occlusion (0.35 seconds, P = .028) and Class I skeletal profile (0.37 seconds, P = .002). Occlusion time was significantly longer in subjects with decreased overjet (0.60 seconds, P = .003). There were significant associations between the distribution of occlusal balance and Angles' classes of occlusion, skeletal relationship, overjet, overbite and space analysis (P < .05). Lateral occlusal schemes were only associated with Angle's classes of occlusion and skeletal relationship (P < .05). CONCLUSIONS: Patients with Class I occlusion showed the least occlusion time, the most balanced occlusion and a higher frequency of canine guidance. Nonetheless, potentially balanced occlusion and group function were highly prevalent in all groups; therefore, ideal occlusion must be considered an ideal to inspire and aim for, but cannot be considered an essential requirement of every dental treatment.


Asunto(s)
Maloclusión de Angle Clase II , Maloclusión , Sobremordida , Oclusión Dental , Oclusión Dental Balanceada , Femenino , Humanos , Masculino , Estudios Prospectivos
3.
Saudi Med J ; 36(3): 335-40, 2015 Mar.
Artículo en Inglés | MEDLINE | ID: mdl-25737177

RESUMEN

OBJECTIVES: To assess preparedness for medical emergencies in private dental offices in Jeddah, Kingdom of Saudi Arabia (KSA). METHODS: In this cross-sectional study, a survey was distributed to 70 dental offices and polyclinics in Jeddah, Saudi Arabia between October 2013 and January 2014. The questionnaire gathered information on the prevention of medical emergencies, the preparedness of the office personnel, and availability of emergency drugs and equipment. RESULTS: For prevention, 92% (n=65) of the offices reported that they obtain a thorough medical history prior to treatment; however, only 11% (n=8) obtain vital signs for each visit. Using a preparedness percent score (0 to 100), the mean level of preparedness of the office personnel in all surveyed dental offices was 55.2±20. The availability of emergency drugs was 35±35, and equipment was 19±22. CONCLUSION: We found a deficiency in personnel training, availability of drugs, and emergency equipment in the surveyed dental clinics. More stringent rules and regulations for emergency preparedness must be reinforced to avoid disasters in these clinics.


Asunto(s)
Consultorios Odontológicos/organización & administración , Técnicas de Planificación , Sector Privado , Sector Público , Eficiencia Organizacional , Arabia Saudita
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