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Peer-reviewedCC BY-NC-NDBMC oral health

Localized unilateral wedge-shaped defect of a single mandibular denture: a case report.

  • Jingyu Qi1
  • Jiaqiao Chen2
  • Yongwu Wang3
  1. 1Department of Stomatology, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, China.
  2. 2Department of Stomatology, Hangzhou First People's Hospital Tonglu Campus, Hangzhou, Zhejiang, China.
  3. 3Department of Stomatology, Affiliated Hangzhou First People's Hospital, School of Medicine, Westlake University, Hangzhou, China. [email protected].
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Abstract

Background

Wedge-shaped defects are rarely reported in single mandibular denture (SMD). This report describes an unusual unilateral wedge-shaped defect observed in an SMD and discusses its possible etiological factors.Case presentation

A 58-year-old woman presented with sensitivity in the left maxillary posterior teeth. Clinical examination revealed wedge-shaped defects in the left maxillary molars and a unilateral wedge-shaped defect approximately 3 mm in depth on the left side of the mandibular denture base. The patient denied bruxism or traumatic injury to the prosthesis but reported a long-standing habit of unilateral mastication.Conclusion

This case suggests that long-term unilateral mastication may be associated with the development of localized wedge-shaped defects in SMDs. Comprehensive occlusal assessment and regular prosthesis maintenance may help prevent similar complications.

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Cite

BibTeXRIS
BibTeX
@article{qi2026localized,
  title = {{Localized unilateral wedge-shaped defect of a single mandibular denture: a case report.}},
  author = {Jingyu Qi and Jiaqiao Chen and Yongwu Wang},
  journal = {BMC oral health},
  year = {2026},
  month = jul,
  doi = {10.1186/s12903-026-09422-z},
  url = {https://europepmc.org/article/MED/42894205},
  note = {CC BY-NC-ND},
}
RIS
TY  - JOUR
TI  - Localized unilateral wedge-shaped defect of a single mandibular denture: a case report.
AU  - Jingyu Qi
AU  - Jiaqiao Chen
AU  - Yongwu Wang
PY  - 2026
DA  - 2026/07/01
JO  - BMC oral health
DO  - 10.1186/s12903-026-09422-z
UR  - https://europepmc.org/article/MED/42894205
AB  - Background  Wedge-shaped defects are rarely reported in single mandibular denture (SMD). This report describes an unusual unilateral wedge-shaped defect observed in an SMD and discusses its possible etiological factors.Case presentation  A 58-year-old woman presented with sensitivity in the left maxillary posterior teeth. Clinical examination revealed wedge-shaped defects in the left maxillary molars and a unilateral wedge-shaped defect approximately 3 mm in depth on the left side of the mandibular denture base. The patient denied bruxism or traumatic injury to the prosthesis but reported a long-standing habit of unilateral mastication.Conclusion  This case suggests that long-term unilateral mastication may be associated with the development of localized wedge-shaped defects in SMDs. Comprehensive occlusal assessment and regular prosthesis maintenance may help prevent similar complications.
SN  - 1472-6831
ER  -