Khezran Qamar, Muhammad Umar Shah, Afsheen Zakir, Muhammad Hamza Khan, Rummana Aqeel, Mashal Arif.
The clinical evaluation of Residual Ridge Morphology and its association with age and edentulism.
Isra Med J Nov ;13(2):110-4.

Objective: To evaluate the morphology of residual ridge of maxilla according to classification proposed by ACP (American College of Prosthodontics) and find its association with age and edentulism period. Study Design: A cross-sectional observational study. Place and Duration: At Prosthodontic Department of Lahore Medical and Dental College, Lahore from 1st September 2019 to 1st February 2020. Methodology: A total of 90 completely edentulous patients above the age of 40 years were selected. The residual ridges of maxilla were clinically observed and classified using classification system proposed by ACP (American College of Prosthodontics). The association of residual ridge with age, gender, duration of edentulous period and duration of denture use was determined. Non probability purposive sampling was used for selection of both genders. Demographic data was recorded and intra-oral examination carried out after getting informed consent. Results: Out of 90 patients, majority patients; 27.8% belonged to the age group 51-60 years. The mean edentulous period was found to be 6.10 years SD4.702. 58.9 % of patients were complete denture wearers. The most common types observed was type A; 60.0%, type B; 28.9% followed by type C;11.0%. No patient was reported having type D morphology. Age and gender had no association with residual ridge morphology, whereas duration of edentulous period and complete denture use made the morphology more unfavorable. Conclusion: Type A ridge morphology of maxilla (ACP classification) is most pervasive whereas Type D is the least. The ACP classified ridge types have no age and gender association, however significantly associated with the duration of edentulous period and complete denture wearing.

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