Table 3.
Data on removable dentures fracture.
| Variable | Categories/Attribute | Number (n) | Percentage (%) |
|---|---|---|---|
| Type of fractured denture | Mandibular acrylic partial denture | 18 | 28.6 |
| Maxillary acrylic partial denture | 8 | 12.7 | |
| Mandibular complete denture | 5 | 7.9 | |
| Maxillary complete denture | 24 | 38.1 | |
| Maxillary teeth-overdenture | 2 | 3.2 | |
| Mandibular implant overdenture | 2 | 3.2 | |
| Maxillary implant overdenture | 4 | 6.3 | |
| Denture fracture site | Midline | 37 | 58.7 |
| Canine area | 17 | 27 | |
| Premolar area | 11 | 17.5 | |
| Incisor area | 10 | 15.9 | |
| Molar area | 1 | 1.6 | |
| Fracture of artificial teeth | 7 | 11.1 | |
| The alleged cause of the denture fracture | Accidental fall | 42 | 66.7 |
| High masticatory force | 19 | 30.2 | |
| Denture instability | 18 | 28.6 | |
| Occlusal problems | 17 | 27 | |
| Incorrect mounting of artificial teeth | 10 | 15.9 | |
| Defects of the dentures bases | 8 | 12.7 | |
| Anatomical risk factors for denture fracture | Asymmetric ridge | 24 | 38.1 |
| Increased resorption | 24 | 38.1 | |
| Tori | 23 | 36.5 | |
| Antagonistic natural teeth | 21 | 33.3 | |
| Mucosal hyperplasia on the maxillary anterior edentulous ridge | 14 | 22.2 | |
| Reduced prosthodontic space | 14 | 22.2 | |
| High inserted labial frenulum | 11 | 17.5 | |
| Exostoses | 9 | 14.3 | |
| Kennedy class II edentulism | 8 | 12.7 | |
| Retentive maxillary tuberosities | 7 | 11.1 | |
| Reduced mucosal resilience | 4 | 6.3 | |
| Prominent intermaxillary suture | 3 | 4.8 | |
| Prominent lower pole of the tuberosity | 1 | 1.6 | |
| Risk factors in relation to the previous condition of the removable denture | Previously fractured dentures | 39 | 61.9 |
| Repeated linings | 21 | 33.3 | |
| Wear of artificial teeth | 18 | 28.6 | |
| Lack of foliage at the level of the torus | 12 | 19 | |
| Large base notches | 11 | 17.5 | |
| Structural defects | 10 | 15.9 | |
| Incorrect mounting of artificial teeth | 10 | 15.9 | |
| Bruxism or large occlusal forces | 1 | 1.6 | |
| Risk factors as prosthodontic status | Antagonists as natural teeth or fixed prosthodontic restorations | 26 | 41.3 |
| Unstable occlusion | 20 | 31.7 | |
| Mounting the lateral teeth outside the ridge | 20 | 31.7 | |
| Overestimation of the vertical dimension of occlusion | 17 | 27 | |
| Porosity of acrylate | 13 | 20.6 | |
| The presence of teeth or implants under dentures | 9 | 14.3 | |
| Over-extension of the denture base | 6 | 9.5 | |
| Large labial frenum notch | 6 | 9.5 | |
| Hypodivergent facial typologies | 1 | 1.6 |