The Journal of pedodontics

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Other titles The Journal of clinical pediatric dentistry, Clinical pediatric dentistry
ISSN 0145-5508
OCLC 22606133
Material type Periodical, Internet resource
Document type Journal / Magazine / Newspaper, Internet Resource

Publications in this journal

  • The Journal of pedodontics 02/1990; 14(4):202-13.
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    ABSTRACT: Diet and sugar eating habits, in particular sweet preference levels, are gradually nurtured over time by culturally accepted dietary norms. The dietary habits of Malaysia's three main ethnic groups are distinctively different from each other and expectedly, many studies have discovered significant ethnic variations in caries experience. In order to guide further research work into the causes of these variations, this pilot study was designed to establish whether ethnic variations exist in sweet preference levels. This study found that although the difference in sweet preference between boys and girls in this sample was not statistically significant, the ethnic variation was statistically significant. The implications of this study and suggestions for further research in this field are discussed.
    The Journal of pedodontics 02/1990; 14(3):147-9.
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    ABSTRACT: The phosphorus concentration and alkaline phosphatase activity in saliva may be related to the susceptibility to dental caries and supragingival calculus. Hence, the unstimulated mixed saliva of child patients were assayed by biochemical methods to determine the phosphorus concentration and alkaline phosphatase activity in such salivary samples. It is very interesting to note that higher phosphorus concentration and alkaline phosphatase activity were found in patients with rampant caries as compared to that with non rampant/control group.
    The Journal of pedodontics 02/1990; 14(3):144-6.
  • The Journal of pedodontics 02/1990; 14(3):165-9.
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    ABSTRACT: Various alloplastic and autogenous tissues have been used in attempts to restore facial height and reconstruct temporomandibular articulation. A case is presented where an ectodermal rib graft was used to reconstruct the temporomandibular joint after arthroplasty in a young child.
    The Journal of pedodontics 02/1990; 14(3):136-8.
  • The Journal of pedodontics 02/1990; 14(2):113-6.
  • The Journal of pedodontics 02/1990; 14(4):181-3.
  • The Journal of pedodontics 02/1990; 14(3):152-7.
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    ABSTRACT: Caries incidence and activity in general are not linear functions, but show several intensity peaks at different stages of life. The purpose of this study was to evaluate, whether the transition from the primary to the permanent dentition is accompanied by any significant changes in several clinical and microbiological parameters commonly used as predictors of caries activity. Sixty children and adolescents, aged 3 to 16, participated in the study and according to age were assigned to 4 different dentition groups (primary, early mixed, late mixed, permanent). The results indicate, that there is a significant decrease in salivary Streptococcus mutans and Lactobacillus spp. counts in the late mixed dentition group compared to the primary and the early mixed dentition group. Furthermore, in the permanent dentition group the stimulated salivary flow rate was significantly higher than in all other groups. Differences regarding plaque score and salivary buffering capacity were not significant for all groups examined. It is concluded, that the transition from the primary to the permanent dentition in general is accompanied by significant, yet temporary decline in the numbers of caries-associated microorganisms, reflecting marked differences in caries incidence and activity, previously reported by other authors.
    The Journal of pedodontics 02/1990; 14(3):141-3.
  • The Journal of pedodontics 02/1990; 14(4):214-8.
  • The Journal of pedodontics 02/1990; 14(3):150-1.
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    ABSTRACT: Although the enamel defects of low birthweight prematurely-born children have been well investigated clinically the ultrastructure has not been studied in detail. Using scanning electron microscopy this investigation examined the enamel surface of 4 representative teeth from a group of exofoliated teeth from prematurely-born, very-low birthweight children compared to an equal number of control teeth from normal birthweight children. The results showed that all 4 teeth from the prematurely-born group had enamel defects at the ultrastructural level even though the defects were evident only macroscopically in 2 teeth. By contrast all the control teeth from normal children did not show abnormalities of surface structure. Thus this investigation further confirms that birth prematurity and low birthweight adversely affect the activities of ameloblasts. Previous clinical investigations have reported that prematurely-born children show high prevalences of enamel hypoplasia of around 20-100%. The etiological factors involved in the pathogenesis of enamel defects are unclear, but are likely to be related to many systemic illnesses occurring during the neonatal period. These include respiratory distress syndrome, hyperbilirubinemia, maternal diabetes as well as neonatal rickets. Furthermore, Seow et al. (1989) showed recently that deficiency of calcium and phosphate mineral in the neonatal period is related directly to enamel hypoplasia in very-low birthweight, prematurely born children. In addition to systemic factors, local factors such as laryngoscopy and endotracheal intubation have also been implicated in the etiology of enamel hypoplasia in these children. While the enamel defects have been well studied at the clinical level, there is a paucity of information on the ultrastructural nature.(ABSTRACT TRUNCATED AT 250 WORDS)
    The Journal of pedodontics 02/1990; 14(4):235-9.
  • The Journal of pedodontics 02/1990; 14(4):184-99.
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    ABSTRACT: The purpose of this study was to investigate the influence of cleaning and polishing pretreatments and etching times on unground primary enamel smooth surfaces with respect to the quality of etching patterns. Labial surfaces of 117 extracted or exfoliated caries free primary anterior teeth were used. Various cleaning and polishing methods were used before etching. Etching times with 40% phosphoric acid gel were 10, 30 and 60 seconds and all specimens were washed with an air water spray for 30 seconds. The following observations were obtained using the SEM. 1. There was not a significant difference between the appearance of prism structures by etching and the pretreatment methods in the 60 and 30 seconds etching. 2. The shorter the etching time, the higher was the rate of the cases which did not show any prism structure after etching.
    The Journal of pedodontics 02/1990; 14(2):84-92.
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    ABSTRACT: The purpose of this study conducted at Tufts University School of Dental Medicine is to investigate the possibility of limiting the development of an excessive vertical overbite and horizontal overjet during sleeping hours in young children prior to and during the eruption of the permanent incisors. A sample of 43 individuals, whose mean age was 6.17 years, wore a Preventive Eruption Guidance Appliance passively only while sleeping at night for 13 months (mean) to control the development of the overbite as the permanent incisors erupted and to correct the excessive overjet. The mean initial overbite of the sample was 3.4 mm and was reduced to 1.4 mm. The mean initial overjet was 3.0 mm and was reduced to 1.4 mm. Fourteen percent (6 cases) of the sample had an open bite of 1.84 mm (mean), which was reduced to a mean open-bite of 0.81 mm. As a result of the statistical comparison between the treatment sample to the control sample of 50 non-treated individuals, it was shown that the reduction of the overbite and overjet was accomplished solely by altering the problematic dentition without affecting the normal growth pattern or facial morphology as measured from nine lineal dimensions. It was also shown that the change in overbite and overjet was a significant improvement over what would have occurred if no intervention had been instituted, and that the overbite was corrected by restricting continued excessive eruption of the maxillary incisors with only nighttime passive use of the appliance.
    The Journal of pedodontics 02/1990; 14(4):219-30.
  • The Journal of pedodontics 02/1990; 14(2):61-2.
  • The Journal of pedodontics 02/1990; 14(3):139-40.
  • The Journal of pedodontics 02/1990; 14(3):132-5.
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    ABSTRACT: The aim of this postal survey was to assess the utilization, knowledge and attitude concerning sealants among Malaysian dentists. A pretested questionnaire was sent to all dentists (1217) who were on the Dentist Register of Malaysia of 1987. A response rate of 61.1% was obtained. The results indicate that 52.6% of the respondents have used sealants, but of these only 13.6% have used them frequently. The two "knowledge" related questions receiving the most support concerned the suitability of the first permanent molars for sealants and the loss of sealants attributable to problems at the time of application. The two "attitudinal" questions receiving the most support concerned the value of sealants in preventing dental caries and the need for the profession to expand more efforts toward increasing public demand for sealants. Only about 50% of the respondents believed that sealants are cost-effective.
    The Journal of pedodontics 02/1990; 14(4):242-5.
  • The Journal of pedodontics 02/1990; 14(2):110-2.