deep bite
Conditions
Interventions
Deep Bite group:NA
Normal Bite group:NA
Sponsors
West China Hospital of Stomatology, Sichuan University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Inclusion criteria of normal volunteers: neutral relationship of the first molar; The anterior teeth were covered and covered normally; At the maximum occlusal contact position, all the teeth of the jaw are in contact as much as possible. 2. Inclusion criteria for deep overbite: Deep overbite of the anterior teeth, with the maxillary incisor covering more than half of the mandibular incisor crown, no dental defects, healthy periodontal tissue, no significant looseness or wear of teeth, no history of lateral chewing, no history of facial trauma, and basic normal craniomaxillofacial system function.
Exclusion criteria
Exclusion criteria: 1. Temporomandibular joint disorder; 2. Dysfunction of masseter muscle; 3. There is obvious malocclusion; 4. Wearing a prosthesis in the mouth; 5. There are large areas of caries and non-caries tooth hard tissue diseases on the face; 6. Tooth knocking pain; 7. Loose more than ? degree; 8. Loss of periodontal attachment >= 3 mm; 9. Wedge defect of left and right teeth caused by different brushing strength of left and right hands; 10. Serious systemic diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Occlusal contact area; | — |
Secondary
| Measure | Time frame |
|---|---|
| asymmetry index of occlusal force;average percent of occlusal forces of molar teeth,APMT;average percent of occlusal forces of anterior teeth;First contact area;occlusion time;maximum area frame bite force/max movie force;disclusion time; | — |
Countries
China
Contacts
Public ContactWang Jian
West China Hospital of Stomatology, Sichuan University
Outcome results
None listed