esthetic area
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2022 ◽  
Vol 12 (1) ◽  
Author(s):  
Linhong Wang ◽  
Yan Ruan ◽  
Jianping Chen ◽  
Yunxiao Luo ◽  
Fan Yang

AbstractThis study aimed to noninvasively assess the relationship between the labial gingival thickness (GT) and the underlying bone thickness (BT) of maxillary anterior teeth by two digital techniques. A total of 30 periodontally healthy participants with 172 maxillary anterior teeth were enrolled. GT and BT were measured at 2, 4 and 6 mm apical to the cemento-enamel junction (CEJ) by two digital techniques: M1—cone-beam computed tomography (CBCT) and M2—digital intraoral scanning (DIS) combined with CBCT. The Pearson's correlation coefficient was calculated to determine the correlation between GT and BT. A significant negative correlation was identified between GT and BT at 2 mm apical to the CEJ for central incisors (CI), lateral incisors (LI), and canines (CA) both by M1 and M2, while a weak negative correlation at 4 mm apical to the CEJ was observed by M1 for CA. No significant correlation was found at other sites by both M1 and M2. The labial BT was < 1 mm in most cases (85% of CI; 97% of LI; and 90% of CA). Within the limitation of this study, it was concluded that GT and BT seemed to be negatively correlated at 2 mm apical to the CEJ. Therefore, caution is warranted when implant restoration at the esthetic area of the anterior teeth.


2021 ◽  
Vol 41 (6) ◽  
pp. 865-872
Author(s):  
Edgard El Chaar ◽  
Ye Shi ◽  
Steven Engebretson ◽  
Dina Zahedi ◽  
Edward Chang

Author(s):  
Alan Jony de Moura e Costa ◽  
Shaban Burgoa ◽  
Otavio Henrique Pinhata-Baptista ◽  
Virgilio Gutierrez ◽  
Arthur Rodriguez Gonzalez Cortes

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Yan Dai ◽  
Jin Xu ◽  
Xiao-Hui Han ◽  
Fu-Zhai Cui ◽  
Dong-Sheng Zhang ◽  
...  

Abstract Background The purpose of this retrospective study was to evaluate the clinical efficacy of mineralized collagen (MC) versus anorganic bovine bone (Bio-Oss) for immediate implant placement in esthetic area. Methods Medical records of Department of Oral and Maxillofacial Surgery of Shandong Provincial Hospital were screened for patients who had been treated with immediate implant implantation in the esthetic area using either MC (Allgens®, Beijing Allgens Medical Science and Technology Co., Ltd., China) or Bio-Oss (Bio-Oss®, Geistlich Biomaterials, Wolhusen, Switzerland), between January 2018 and December 2019. All patients fulfilling the in-/exclusion criteria and following followed for a minimum period of 1 year after surgery were enrolled into the presented study. Implant survival rate, radiographic, esthetic and patient satisfactory evaluations were performed. Results Altogether, 70 patients were included in the study; a total of 80 implants were inserted. All implants had good initial stability. The survival rate of implants was 100% at 1-year follow-up. The differences in horizontal and vertical bone loss between the MC group (0.72 ± 0.26 mm, 1.62 ± 0.84 mm) and the Bio-Oss group (0.70 ± 0.52 mm, 1.57 ± 0.88 mm) were no significant difference statistically no significant 6 months after permanent restoration. Similar results occurred at 12 months after permanent restoration functional loaded. Clinical acceptability defined by pink esthetic score (PES) ≥ 6 (6.07 ± 1.62 vs. 6.13 ± 1.41) was not significantly different between groups. Patient satisfaction estimated by visual analog scale (VAS) was similar (8.56 ± 1.12 vs. 8.27 ± 1.44), and the difference was no significant difference between the two groups. Conclusions The biomimetic MC showed a similar behaviour as Bio-Oss not only in its dimensional tissues changes but also in clinical acceptability and patient satisfaction. Within the limitations of this study, these cases show that MC could be considered as an alternative bone graft in IIP


2021 ◽  
Vol 4 (3) ◽  
pp. 13292-13306
Author(s):  
Kananda Natieri Oliveira Marcarini ◽  
Brenda Lamômica Rodrigues de Azevedo ◽  
Gustavo Henrique Martins ◽  
Conrado Dias do Nascimento Neto ◽  
Martha Alayde Alcantara Salim Venâncio ◽  
...  

2021 ◽  
Vol 11 (11) ◽  
pp. 4781
Author(s):  
Norberto Quispe-López ◽  
Carmen García-Faria ◽  
Jesús Mena-Álvarez ◽  
Yasmina Guadilla ◽  
Pablo Garrido Martínez ◽  
...  

This study describes the clinical and esthetic outcome of n apical surgical treatment on peri-implant soft tissue dehiscence in an implant with a poor prognosis in the esthetic area. The patient presented a compromised situation of clinical attachment loss both in the 1.2 implant and in the adjacent teeth. A biphasic approach consisted firstly of a connective tissue graft accessed by apical and then, 11 months later, a palatal flap technique plus a connective tissue graft. After 20 months of healing, surgical approaches without vertical releasing incisions showed a gain in recession reduction over the implant ranging from 0.3 to 2.7 mm (CI 95%), in addition to a gain in width (2 mm) and thickness (2.3 mm) of the keratinized mucosa. With respect to the white esthetic score, 4 points were gained, and with respect to the pink esthetic score, 3 points were gained. With the use of the apical approach technique and the palatal flap technique, satisfactory results are obtained in the treatment of recessions on implants, improving the amount of keratinized mucosa and the esthetic result in an objective manner in the anterior area.


2021 ◽  
Author(s):  
Yan Dai ◽  
Jin Xu ◽  
Xiao-Hui Han ◽  
Fu-Zhai Cui ◽  
Dong-Sheng Zhang ◽  
...  

Abstract Background: The purpose of this retrospective clinical study was to evaluate the clinical efficacy of mineralized collagen (MC) versus Bio-Oss for immediate implant implantation in esthetic area. Methods: Medical records of Department of Oral and Maxillofacial Surgery of Shandong Provincial Hospital were screened for patients who had been treated with immediate implant implantation in the esthetic area using either MC( Allgens®) or Bio-Oss®, between January 2018 and December 2019. All patients fulfilling the in-/exclusion criteria and following for a minimum period of 1 year after surgery were enrolled into the presented study. Implant survival rate, radiographic, esthetic and patient satisfactory evaluations were performed.Results: Altogether, 70 patients were included in the study; a total of 80 implants were inserted. All implants had good initial stability after implantation. The survival rate of implants was 100% at 1-year follow-up. The differences in horizontal and vertical bone loss between the Trail group (0.72±0.26mm, 1.62±0.84mm) and the Control group (0.70±0.52 mm, 1.57±0.88mm) were statistically no significant at 6 months after permanent restoration. Similar results occurred at 12 months after permanent restoration. Clinical acceptability defined by PES ≥ 6 (6.07±1.62 vs. 6.13±1.41) was not significantly different between groups. Patient satisfaction estimated by VAS was similar (8.56±1.12 vs. 8.27±1.44), and the difference was not statistically significant between the two groups.Conclusions: The biomimetic MC seems to be a suitable and feasible option for bone graft material in immediate implant implantation.


Author(s):  
Nathalia Andrade ◽  
Guilherme Moura ◽  
Bartosz Maska ◽  
Darnell Kaigler ◽  
Gustavo Mendonça ◽  
...  

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