Displaying all 8 publications

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  1. Lui, J.L.
    Ann Dent, 2008;15(1):48-54.
    MyJurnal
    Besides other indications, the spring cantilever bridge can solve the difficult clinical problem of providing diastema on either side of a pontic. Unlike the conventional bridges, it has a somewhat controversial design in that the anterior pontic is connected to its retainer on a posterior abutment by a relatively long flexible palatal bar. This paper presents a case report of a spring bridge which fractured due to metal fatigue after 30 years of continued service. Other studies reported a mean life span of 8-10 years for conventional bridges. The advantages of the spring cantilever bridge are also discussed.
    Matched MeSH terms: Diastema
  2. Ngeow, W.C., Anuar, A.M.
    Ann Dent, 2004;11(1):-.
    MyJurnal
    A retrospective study was carried out to review the records of 47 patients who had had in total 80 supernumerary teeth (ST) removed under general anaesthesia between 1975 and 2002. Malays made up 38.30%, Chinese 51.06%, and Indians 10.64% of the patients. The predominant age group was 6-10 year-old. The mean age was 12.96 ± 9.49 years. The male and female ratio was 1.35:1. Most of the patients had either one ST (n=31; 65.96%) or two ST (n=11; 23.40%). Five cases of multiple supernumeraries were recorded. Two patients experienced late formation of subsequent ST after the first surgery, thus requiring a second surgery. The majority of ST were conical in shape (n=35; 43.75%). Most of the ST were located in the premaxilla (n=55; 68.8%). Almost a quarter (23.75%) of ST were inclined towards the oral cavity. Some of the effects on the dentition were diastema, cystic changes, rotation, displacement, and retention of the permanent teeth and these were the indications for removal of ST. The most common surgical approach for maxillary ST was from the labial, buccal or labio-buccal approach.
    Matched MeSH terms: Diastema
  3. Wong ML, Che Fatimah Awang, Ng LK, Norlian D, Rashidah Dato Burhanudin, Gere MJ
    Singapore Dent J, 2004 Dec;26(1):10-4.
    PMID: 15736836
    Early orthodontic interventions are often initiated in the developing dentition to promote favourable developmental changes and remove or suppress those that are unfavourable. Early interceptive orthodontics can eliminate or reduce the severity of a developing malocclusion, the complexity of orthodontic treatment, overall treatment time and cost. It also improves self-esteem in the subjects and parental satisfaction. Early detection and appropriate referral of cases requiring interceptive orthodontics are important. However, lack of awareness among school children, parents and primary-care personnel (dental nurses and dental officers) may result in patients not being referred for timely interceptive intervention. This article presents a general view of the scope of interceptive orthodontics that can be carried out in early mixed dentition, i.e. when the permanent incisors and molars are erupting into the oral cavity.
    Matched MeSH terms: Diastema/prevention & control
  4. Nik-Hussein NN
    Aust Orthod J, 1990 Oct;11(4):247-50.
    PMID: 2152540
    The presence of supernumerary teeth in the premaxillary region may cause a variety of pathological effects. This study was carried out to determine the various aspects of supernumerary teeth in the premaxillary region, particularly the effects of the supernumerary teeth on the permanent incisors and surrounding tissues. Approximately 20 percent of the patients (n = 49) with supernumerary teeth did not present with any abnormality. A high proportion of patients (37.9 percent) had delayed or failure of eruption of permanent teeth and 24.1 percent had rotation or displacement of permanent teeth. Other effects observed were median diastema and cystic changes around the unerupted supernumerary tooth. The high proportion of pathological effects seen showed that early diagnosis of the anomaly is important to intercept damage to the adjacent normal teeth and surrounding tissues. However, no cases of root resorption of the permanent teeth due to the presence of supernumeraries were observed.
    Matched MeSH terms: Diastema/etiology
  5. Elfseyie, Majda T.M., Nagham Mohammed Abdullah, Mohamed Ibrahim Abu Hassan
    MyJurnal
    Objectives: To assess the occlusal features, tongue habits, lip competence and their gender dimorphism in 12 years old Malaysian Malay school-children.

    Materials and methods: The method involved cl inical examination of 208 subjects from public schools in Shah Alam, Selangor, Malaysia. Occlusal status was assessed according to Angle classification. The following features were also assessed and recorded: overjet, overbite, traumatic overbite, crowding, spacing, midline diastema, cross bite, scissors bite, dental midline shifts, canine displacement, missing teeth, traumatically fractured teeth, tongue thrust and lip competence. Descriptive statistics were used for all measurements; Chi-square was used to assess gender differences.

    Results: Class I malocclusion is most prevalent in boys and girls (44.0% and 43.8% respectively), followed by Class Ill malocclusion (31% in boys and 30 .4% in girls). Anterior crowding was found in 69.7% of the sample while anterior spacing was found in 30.8%. Incompetent lips were more common in boys than gir1s.

    Conclusions: The prevalence of malocclusion in this age group may warrant the need for more preventive and interceptive measures in dental and oral health planning.
    Matched MeSH terms: Diastema
  6. Rohaya Megat Abdul Wahab, Hartini Idris, Habibah Yacob, Shahrul Hisham Zainal Ariffin
    Sains Malaysiana, 2013;42(1):25-32.
    The aims of this study were to assess the skeletal pattern and the malocclusion of Kadazan Dusun ethnic patients who seek for orthodontic treatment. Cephalometric radiographs (248) and 345 study models were collected from four orthodontic clinics in Sabah. The cephalometric mean values (SNA, SNB, ANB, MMA, SNMxP, UIMxP, LIMnP and ALFH) were measured and the study models were analysed for overjet, overbite, incisor and molar relationships. Some morphological or occlusal features such as shovel shape, Talon cusp, peg shape teeth, midline diastema, canine displacement and supernumerary tooth were also noted. The frequency and correlation of cephalometric mean values and prevalence of malocclusion were analysed using SPSS 18. Class I Skeletal pattern was the most common (48%) followed by Class II (33%) and Class III (18%). There was a strong correlation between SNA and SNB values (>0.70). Class II/1 incisor relationship has the highest frequency (41%) followed by Class III (32%), Class I (21%) and Class II/2 (6%). Class II Molar relationship of both right and left showed highest frequency (38%) followed by Class I (33%) and Class III (30%). Increased of overjet (44%) and reduced overbite (41%) and shovel-shaped incisor were the most common occlusal and dental features. The Kadazan Dusun patients who seek for orthodontic treatment in Sabah were mostly presented with Class I Skeletal pattern with high prevalence in Class II/1 incisor relationship, Class II molar relationship, increased overjet and reduced overbite. The orthodontic treatment pertaining to this ethnicity should be in line with the findings that will benefit patient specifically based on their common presented features.
    Matched MeSH terms: Diastema
  7. Abdul Rahim FS, Mohamed AM, Nor MM, Saub R
    Angle Orthod, 2014 Jul;84(4):600-6.
    PMID: 24417495 DOI: 10.2319/062813-480.1
    OBJECTIVE: To determine the prevalence of malocclusion and need for orthodontic treatment among persons with Down Syndrome (DS).

    MATERIALS AND METHODS: Study participants were 113 persons with DS from the selected community-based rehabilitation center who fulfilled the inclusion and exclusion criteria. Ten occlusal characteristics of the Dental Aesthetic Index (DAI) were measured on study models to determine the degree of malocclusion. A single score represented the dentofacial anomalies, determined the level of severity, and determined the need for orthodontic treatment.

    RESULTS: Crowding in the anterior maxillary and mandibular arch was the main malocclusion problems among the subjects with DS. Comparison between age group and genders revealed no significant differences in four categories of orthodontic treatment need (P > .05).

    CONCLUSION: Most of the subjects with DS (94; 83.2%) had severe and very severe malocclusion, which indicated a desirable and mandatory need for orthodontic treatment.

    Matched MeSH terms: Diastema/epidemiology
  8. Woon KC
    Int J Orthod, 1988;26(3-4):16-9.
    PMID: 3215739
    Matched MeSH terms: Diastema
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