Association of complete denture wearing with the rate of reduction of mandibular residual ridge using digital panoramic radiography

Al-Jabrah, Osama; Al-Shumailan, Yousef

doi:10.14419/ijdr.v2i1.1669

Cited by 2 publications

(7 citation statements)

References 23 publications

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“…In the present study, as age increased, the mandibular bone height significantly decreased. This finding was expected as was reported by previous studies (Al-Jabrah and Al-Shumailan, 2014, Gupta et al, 2010, Jagadeesh and Patil, 2013, Jayaram and Shenoy, 2017).…”

Section: Discussionsupporting

confidence: 91%

“…Therefore, gender of patients involved in this study had a significant effect on the mandibular bone height. This finding is supported by other studies that reported a greater bone resorption in women than men (Al-Jabrah and Al-Shumailan, 2014, Liang et al, 2014). Vaishnav et al (2010) also reported resorption of the wall of mandibular canal that was more in edentulous women than men due to hormonal reasons.…”

Section: Discussionsupporting

confidence: 90%

“…López-Roldán et al (2009) reported a decrease in bone loss in patients wearing mandibular overdentures. However, Al-Jabrah and Al-Shumailan (2014) reported a significantly increased mandibular bone resorption with increasing duration of complete denture wearing. Ozan et al (2013) reported a higher vertical and horizontal alveolar bone resorption in patients wearing removable partial dentures when comparing the dentate and edentulous sites.…”

Section: Introductionmentioning

confidence: 97%

“…Edentulism and osteoporosis are commonly observed in the elderly (Gupta et al, 2010). As age increases, there is an increase in the amount of resorption [Al-Jabrah and Al-Shumailan, 2014, Jagadeesh and Patil, 2013, Jayaram and Shenoy, 2017). In older age groups (over 60 years of age), the progression of mandibular resorption in relation to duration of edentulism was faster than in a younger age group (40 to 60 years) (Jayaram and Shenoy, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…In older age groups (over 60 years of age), the progression of mandibular resorption in relation to duration of edentulism was faster than in a younger age group (40 to 60 years) (Jayaram and Shenoy, 2017). Furthermore, gender plays an important role in RRR, where a greater bone resorption was reported in women than men (Al-Jabrah and Al-Shumailan, 2014, Liang et al, 2014). Among the nutritional factors, the degree of absorption of calcium, phosphorous and proteins influences the growth and maintenance of bone (Gupta et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

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Mandibular residual ridge height in relation to age, gender and duration of edentulism in a Saudi population: A clinical and radiographic study

AlSheikh

AlZain

Warsy

et al. 2019

The Saudi Dental Journal

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PurposeThe purpose of this clinical and radiographic study was to evaluate the effect of age, gender and duration of edentulism on the amount of mandibular residual ridge resorption in a Saudi population.Material and methodsPartially and completely edentulous Saudi patients (50 male and 64 female) attending the outpatient clinics at College of Dentistry, King Saud University, Riyadh, Saudi Arabia were included. Current age, gender of subjects and date of start of edentulism were recorded. Digital panoramic dental radiograph less than 1 year old of each patient was examined. The height of edentulous mandible was measured as described in the American College of Prosthodontists Prosthodontic Diagnostic Index (PDI) classification. Students t-test and ANOVA post hoc tests, Pearson’s correlation coefficient (r) and chi square (χ2) analysis were performed as indicated. Level of statistical significance was set at 0.05.ResultsMale patients showed a significantly greater mandibular bone height compared to female patients. Age and bone height were statistically significantly negatively correlated (p = 0.0001). However, age and mandibular bone height in only male patients was negatively correlated and reached statistical significance (p = 0.001) A negative correlation was observed between duration of edentulism and mandibular bone height in both genders, but was not statistically significant (p > 0.05).ConclusionsIn a Saudi population, men have greater mandibular bone height than women and also exhibit a negative correlation between age and mandibular bone height that is statistically significant. In contrast, women exhibited a negative correlation between age and mandibular bone height, but was not statistically significant.

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Section: Discussionsupporting

confidence: 91%

Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Mandibular residual ridge height in relation to age, gender and duration of edentulism in a Saudi population: A clinical and radiographic study

AlSheikh

AlZain

Warsy

et al. 2019

The Saudi Dental Journal

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Finite Element Assessment of a Novel Patient‐Specific Mandibular Implant for Severely Atrophic Ridge

Parhiz,

Nourishirazi,

Asadi

et al. 2024

BioMed Research International

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Purpose: Dental reconstruction for patients diagnosed with severe mandibular bone atrophy using common dental implants is a challenging process. In such cases, surgeons may encounter challenges such as insufficient available bone, soft tissue, damage to the inferior alveolar nerve, and even the risk of bone fracture. In this study, a new design concept of mandibular patient‐specific implants for severely atrophic ridges followed by finite element evaluation was presented to investigate the mechanical functionality of the concept.Method: The implant is comprised of two modular parts including an inferior border cover and a horseshoe‐shaped structure. This horseshoe segment fits into the cover and is then screwed to it using two screws on each side. A 1 mm deflection was applied to a reference point located between the two anterior posts to extract the resulting Von Mises stress distribution in each part and the reaction force on the reference point which corresponds to the chewing force that the patient must apply to deform the horseshoe. This 1 mm gap is a design consideration and critical distance that horseshoe contacts the gingiva and disturbs the alveolar nerve.Results: The results revealed that load was transmitted from the horseshoe to the cover, and there were no stress contours on the body of the mandible. However, stress concentration was observed in screw locations in the mandible, the amount of which was decreased by increasing the number of used screws. In horseshoe, stress concentration values were around 350 MPa, and the measured reaction force on the reference point was just under 200 N.Conclusion: The finite element analysis results showed that this concept would be functional as the minimum load would be transmitted to the mandibular ridge, and since the patients diagnosed with atrophic ridge are not able to apply load to an amount near 200 N, the horseshoe would not contact the gingiva. Also, it is concluded that increasing the number of bone screw fixations would decrease the risk of long‐term screw loosening.

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Association of complete denture wearing with the rate of reduction of mandibular residual ridge using digital panoramic radiography

Cited by 2 publications

References 23 publications

Mandibular residual ridge height in relation to age, gender and duration of edentulism in a Saudi population: A clinical and radiographic study

Mandibular residual ridge height in relation to age, gender and duration of edentulism in a Saudi population: A clinical and radiographic study

Finite Element Assessment of a Novel Patient‐Specific Mandibular Implant for Severely Atrophic Ridge

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