Résumé
Background: Tooth wear is perceived internationally
as an ever-increasing problem associated with loss of
tooth tissue by diseaseprocess other than dental caries.
The purpose of this study was to provide data on the
prevalence and pattern of tooth wear lesions in adult
patients seen at a Government Dental Centre, Ibadan,
Oyo State, Nigeria. Too short ( just two sentences)
Materials and methods: This study was conducted
using a descriptive cross sectional design.
Consecutive patients who attended the Oral
Diagnosis Clinic of the Government Dental Centre,
Dugbe, Ibadan were recruited into the study. A
structured questionnaire was administered to obtain
information from each participant. The severity of
tooth wear was assessed using the Smith and Knight
Tooth Wear Index (TWI). Data were analyzed using
IBM, Statistical Package for Social Sciences version
- Frequencies and percentages of relevant variables
were noted while Chi-square test was used to test
associations between categorical variables at 5 %
level of significance.
Results: The prevalence of tooth wear lesion among
the study population was 95.6%. Approximately 58%
had a combination of all the lesions, attrition was
found in 31% of the teeth. There was an association
between tooth wear lesions and regurgitation of
gastric content, consumption of acidic drinks and
beverages, eating of hard food substances. There was
also an association between high bite force coming
from habit such as crushing or biting bones. These
associations were, however, not statistically
significant. The mandibular teeth were more
commonly affected than maxillary teeth, with the
incisors having the highest form of tooth wear than
the molars and premolars.
Conclusion: The prevalence of tooth wear was very
high among the studied population The mandibular
incisors were the most frequently affected tooth type
followed by the molars with the incisal/occlusal
surface being the most commonly involved.
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