Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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Πέμπτη 31 Μαρτίου 2022

At least 3 years of self-responsibility for periodontal care after 2 years of supportive periodontal therapy

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Abstract

Objectives

This study aimed to investigate the periodontal condition when patients became self-responsible for the continuation of periodontal care, after non-surgical periodontal therapy and 2 years of Supportive Periodontal Therapy (SPT).

Materials and methods

Fifty-seven patients completed a previous 2-year SPT study and were afterward advised to seek for dental assistance for maintenance care. After 4.2 ± 0.45 years of self-responsibility for periodontal care (SRPC), 27 patients could be re-examined of which 9 patients had followed the advice to turn to a dental professional for SPT care. Visible Plaque (VPI), Gingival Bleeding (GBI), Periodontal Probing Depth (PPD), Bleeding on probing (BOP), and Clinical Attachment Loss (CAL) were obtained from SPT study: before and after non-surgical treatment, and after 2 years of SPT. The same parameters were reassessed for the present study. General linear models for repeated measures were used for data analysis.

Results

At the end of the SRPC period, mean GBI, BOP, and PPD values (43.5%, 55.7%, 2.76 mm, respectively) were back to pre-treatment, whereas VPI (64.3%) and CAL (3.76 mm) became significantly higher. The percentage of sites with PPD ≥5 mm as well as sites with CAL ≥4 or ≥5 mm also returned to pre-treatment values. However, the percentage of sites with PPD ≥4 mm was still significantly lower compared to pre-treatment values but higher than after 2 years of SPT.

Conclusions

Self-responsibility for the continuation of periodontal care after professional treatment should be avoided.

Clinical relevance

Clinicians and specialists must be conscious of making all efforts to maintain the patient's frequent recalls.

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Descriptive analysis of recurrences of nasal intestinal‐type adenocarcinomas after radiotherapy

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Abstract

Background

Despite adjuvant radiotherapy, rates of recurrences of endoscopically operated nasal intestinal-type adenocarcinomas (ITAC) have not been improved in successive series. To better understand how to improve local control, we aimed to investigate the site of local recurrences of ITACs.

Methods

Retrospective study in a reference center in sinonasal malignancies. For all patients with a local recurrence, radiotherapy plans were retrieved and compared to the delineation of local recurrences.

Results

Of 63 patients, 54 underwent adjuvant radiotherapy of which 14 (25.9%) had a local recurrence. Eleven of them had their onset in an optimally irradiated area. Difficulty to dissect the cribriform plate and/or the lateral lamina was reported for 11 patients with local recurrences in the operative reports (p <0.0001).

Conclusions

Most of recurrences arose in an optimally irradiated area. A close cooperation between surgeons and radiotherapists is required to define areas at risk and adapt treatment.

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A Mass in the Infratemporal Fossa

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A 51-year-old woman presented with headache, jaw pain, paresthesia, trismus, and a history of anxiety, depression, emphysema, hyperlipidemia, migraines, pseudoseizures, and no pertinent surgery nor head trauma. What is your diagnosis?
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Key Issues in Use of Prophylactic Steroids to Prevent Hypocalcemia and Voice Dysfunction After Thyroidectomy—Reply

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In Reply We thank Ms Kane and colleagues for their feedback on our article.
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Evaluation of digital construction, production and intraoral position accuracy of novel 3D CAD/CAM titanium retainers

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Abstract

Objectives

New opportunities have arisen to manufacture three-dimensional computer-aided design/computer-aided manufacturing (3D CAD/CAM) retainers from titanium blocks by digital cutting technology. These novel technologies need to fulfill requirements regarding digital planning and position accuracy. The aim of the present study was to investigate the digital construction, the CAD/CAM production and the intraoral positioning accuracy of custom-manufactured novel 3D CAD/CAM titanium retainers.

Materials and methods

A total of 37 prime4me® RETAIN3R (Dentaurum, Ispringen, Germany) retainers were inserted to stabilize the upper anterior front teeth. Following insertion, an intraoral scan was used to record the position. The intraoral position was compared to the virtual setup using 3D superimposition software. Measurement points were evaluated in all three dimensions (horizontal, sagittal and vertical planes). Data were analyzed using Kruskal–Wallis test followed by Dunn's multiple comparison test.

Results

A total of 185 measurements were performed. The horizontal plane and the sagittal plane demonstrated a high level of positioning accuracy between the planned and the intraoral position. Statistically significant deviations between the preceding virtual setup and the intraoral situation were observed in the vertical dimension. Within the retainer, the intraoral positioning accuracy decreased for the measurement points in the direction of the distal retainer segment.

Conclusion

Based on the results, the present study shows a high level of congruence between the 3D virtually planning and the final intraoral position of the fabricated novel 3D CAD/CAM titanium retainers.

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Expert consensus on dental caries management

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International Journal of Oral Science, Published online: 31 March 2022; doi:10.1038/s41368-022-00167-3

Expert consensus on dental caries management
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