Effects of the degree of overbite and overjet on dental health.
The purpose of the study was to examine whether any combination of vertical overbite (OB) and horizontal overjet (OJ) may be more favourable than others to dental health in anterior segments. The study group consisted of 74 females and 70 males. The participants were 15-years-old and had 6 anterior teeth in both jaws. The following parameters were assessed: plaque index, gingival index, probing depth, space index, filled surfaces, the number of non-aligned proximal tooth surfaces (NONAS) and the OB/OJ ratio. The results demonstrated that participants with a relatively high OB/OJ ratio (OB/OJ greater than or equal to 1.21) had a more favourable periodontal condition than participants with lower ratios. This was so in both sexes and both jaws. The OB/OJ ratio had little relation to the prevalence of filled surfaces.
D000293:Adolescent; D003774:Dental Plaque Index; D005260:Female; D005882:Gingival Diseases / Q000209:etiology; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000150:complications*; D009909:Oral Health; D009911:Oral Hygiene Index; D010512:Periodontal Index