Objective: To compare maximum incisor (MBFinc) and molar (MBFmol) bite forces regarding the type of dentition and sex and to establish a relationship between them. Methods: One hundred-five individuals were divided into 3 groups: G1–22 females/13 males (4–5 years); G2–15 females/20 males (11–12 years); and G3–16 females/19 males (17– 18 years). The maximum bite force was recorded with an extraoral measuring device. Three measurements were recorded: right and left molar level (MBFmol) and incisor level (MBFinc). The ratio %MBFinc/MBFmol was determined. Results: MBFmol and MBFinc values increased with age (p < 0.05). MBFmol showed statistically higher values than MBFinc (p < 0.05), when compared within the same group. Conclusion: MBFinc and MBFmol increased with age. For all groups, MBFmol showed higher values than MBFinc, and %MBFinc/MBFmol ratio was 1:2. No differences were found in maximum bite force between sexes.
Bibliographical noteFunding Information:
The authors have no financial support to disclose.
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- Bite force
- evolution of the dentition
- masticatory muscles
- maximum incisive bite force
- maximum molar bite force