[Problems of retained teeth in oral surgery].
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Several specialists can co-operate in the treatment of patients with missing teeth. Orthodontists can succesfully improve the clinical possibilities for the construction of implants or fixed partial dentures, teenagers or young adults. In some of the cases orthodontic treatment can eliminate the use of implants or partial dentures.
Crown-lengthening surgery can be utilized to expose subgingival caries. In this clinical case, a patient presented with incomplete passive eruption in the maxillary anterior sextant. This case illustrates that when incomplete passive eruption is present and restorative treatment is necessary in the maxillary anterior sextant, crown-lengthening surgery not only provides exposure of subgingival caries but can also result in a more esthetic therapeutic outcome.
According to dental literature, the frequency of supernumerary teeth is 1-3%. The authors analyzed the orthopantomograms of 1875 children and adolescents aged between 6 and 18 years to determine the frequency of supernumerary teeth at the Department of Dentistry for Children and Orthodontics. The frequency was found to be 1.92%. The sequence of frequency of supernumerary teeth was: mesiodens, lateral incisor, central incisor. 77.8% of the supernumerary teeth occurred in the maxilla, 97.2% in the frontal region. Besides the data found, two successful cases of surgical and orthodontic treatment are also presented.
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Dental enamel hypoplasia is a constant and pathognomonic sign in patients with TS. The defect consists in small cavities (pits) that measure average 80 microns and affect only the enamel without producing lesion to the dentin. We studied the morphology of retained dental pieces of three patients with TS. The pits showed conical and cylindrical shape and measured from 50 to 500 microns. The identification of enamel hypoplasia in deciduous and permanent teeth is of a great value for early diagnosis when other anomalies of TS are not yet produced.
OBJECTIVE: To identify the clinical, socioeconomic, dietary, and hygienic predictors of the increasing Decayed, Missing, and Filled Teeth (DMFT) index, in a cohort of school children in Loja, Granada, Spain, during a three-year period (1994-1997). MATERIAL AND METHODS: A retrospective cohort study was conducted in 812 students to measure the DMFT index, using the methods recommended by the World Health Organization. Statistical analysis was conducted using logistic regression models. RESULTS: During the study period, the DMFT index increased from 1.86 to 4.5 for the study cohort as a whole, and from 3.71 to 4.47 among twelve-year olds. The DMFT at mid-period was associated to an increase in the final DMFT. The relative risk for attending school no. 3 was 0.69 (95% CI 0.60-0.8) vs. school no. 4, and 0.78 (95% CI 0.67-0.90) vs. school no. 5. CONCLUSIONS: The final model showed that the DMFT at mid-period was a risk factor for an increase in the DMFT index and that attending school number 3 was a protective factor.
Menkes' Kinky Hair Syndrome (MKHS) comprises an array of clinical manifestations including hair shaft abnormalities, epidermal hypopigmentation, and progressive cerebral degeneration that are transmitted as an X-linked recessive disorder affecting copper transport pathways in primarily young males. The oral manifestations of MKHS are scantly reported to include the presence of gingival enlargement and delayed eruption of primary teeth. The purpose of this report is to present a case of MKHS describing the intraoral clinical findings.
Supercomplect retained tooth, a mechanical obstruction preventing the eruption of 21st tooth, is the cause of delayed eruption of the upper central left incisor. After removal of the supercomplect retained tooth, extension of the upper dental arch, normalization of occlusion, and creation of space for 21st tooth in the dental row, A. Ya. Kats' method was used, based on surface and deep functional stimulation of the periodontium, which led to eruption of the 21st tooth.
62 patients with clefts of the alveolus who had received alveolar bone grafts (iliac crest) at ages 8.6 to 12.8 years (mean 10.1 years) were studied. The eruption of 73 canines from 11 bilateral and 51 unilateral cleft patients could be evaluated. The postoperative observation period ranged from 2 to 16 years (mean 9 years). Spontaneous eruption occurred for 77% of the canines, 20% required surgical uncovering either bony or/and soft tissue. One canine had to be removed and one canine is still impacted.
Supernumerary teeth which occur both in the primary and the permanent dentition are seen more frequently in the permanent dentition causing a variety of pathological disturbances. Presented herewith is a case report of a patient with a mesiodens which had caused flaring of the maxillary central incisors and impeded normal eruption of the maxillary lateral incisors. Extraction of the mesiodens was carried out; subsequently followed by the space closure utilizing simple fixed orthodontic therapy.
Two new cherubism cases have been documented and reported. Both were relatively mild clinically, being a Grade I within Motamedi's I to V clinical grading system. Each presented with bilateral posterior mandibular lesions having a multiloculated radiolucent appearance. In each case, detection with eventual diagnosis evolved from a mandibular molar failing to erupt (tooth No. 19). The partial literature review documented the wide spectrum of clinical expression of this disease and the consequent wide variation in its treatment.
Supernumerary premolars are "extra" teeth morphologically belonging to the premolar group. Hyperdontia affecting premolars can be single (when only one supernumerary tooth is found), multiple (if several teeth are involved) or related to a syndrome such as cleidocranial dysplasia. Supernumerary premolars are the third most frequent group of supernumerary teeth, following mesiodens and fourth molars; the prevalence among the general population ranges from 0.09-0.64%. The present study describes 10 cases of supernumerary premolars treated in our Service of Oral and Maxillofacial Surgery of the Dental Clinic of the University of Barcelona. A late onset was demonstrated in one case, contrasting the present pantomograph with another obtained 5 years before. In only one case did the presence of a supernumerary premolar alter normal tooth eruption. Two supernumerary premolars were affected by follicular cysts.
Chondroectodermal Dysplasia is a disease complex consisting of bilateral manual polydactyly, chondrodysplasia of long bones resulting in acromelic dwarfism, hydroitic ectodermal dysplasia affecting principally the nails, teeth and hair and congenital heart malformations. It is necessary to identify this disease at its early stage in order to render prompt treatment. The oral manifestations are characteristic for this particular disease so that a dental surgeon can identify this condition and refer the case to a cardiologist and orthopedician for corrective surgeries. In this article, a case of a 2 1/2-year old child with chondro-ectodermal dysplasia is presented along with radiographic investigations and treatment plan.