Papers by Ola Al-Batayneh
Purpose To determine the prevalence of pre-eruptive intracoronal dentine radiolucencies (PEIR) an... more Purpose To determine the prevalence of pre-eruptive intracoronal dentine radiolucencies (PEIR) and subject factors or dental conditions associated with PEIR from orthopantograms (OPGs) in unerupted permanent teeth of children. Methods OPGs were evaluated for 1,571 subjects (807 males, 764 females) with mean age (8.72 ± 2.5) years. Unerupted permanent teeth prior to emergence into the oral cavity were assessed. The Chi square test was used to determine statistical differences between the group showing and the group not showing the defect with regards to sex, stage of dental development, presence of developmental anomalies, and condition of primary predecessor teeth. Results Prevalence was (8.1 %) by subject and (0.62 %) by teeth. All subjects showed only one affected tooth per subject with no significant gender differences. The highest prevalence was in mandibular first premolars (3.02 %). Most defects were noted in the mixed dentition stage (89.06 %), mainly in the mandible (79.7 %) as single lesions at a mesial location intracoronally, and a size of less than one-third of dentine thickness in (50 %). Among all variables examined, PEIR defects were significantly associated with mixed dentition stage (p = 0.000) and decayed/ filled primary predecessor teeth (p = 0.028). Conclusions PEIR defects occur at a significant prevalence rate in unerupted teeth. Increased awareness and careful radiographic examination of unerupted teeth may improve early detection and treatment of PEIR defects in children.
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Archives of Oral Biology, 2015
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Open Journal of Stomatology, 2014
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International Journal of Paediatric Dentistry, 2011
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Pediatric dentistry
Most studies of cavity preparation using Er:YAG lasers have employed permanent teeth. This study&... more Most studies of cavity preparation using Er:YAG lasers have employed permanent teeth. This study's purpose was to compare the cutting efficiency of an Er:YAG laser versus diamond burs in primary and permanent teeth in order to measure thermal effects on the pulp and evaluate lased surfaces using scanning electron microscopy (SEM). A total of 80 primary and permanent teeth were used. Crater depths and mass loss were measured after delivering laser pulses at varying energies onto sound or carious enamel or dentin using the Key-3 laser. Control samples were cut using diamond burs in an air turbine handpiece. Thermal changes were measured using miniature thermocouples placed into the pulp chamber. Lased surfaces were evaluated using SEM. Laser ablation crater-like defects were deeper in dentin than enamel at the same pulse energy. Greater ablation rates for dentin and enamel and significantly more efficient removal of carious tooth structure by laser was present in primary teeth. Te...
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Papers by Ola Al-Batayneh