Maxillary sinus augmentation using biphasic calcium phosphate: Dimensional stability results after 3-6 years

Jae Kook Cha, Chingu Kim, Hyung Chul Pae, Jung Seok Lee, Ui-Won Jung, Seongho Choi

Research output: Contribution to journalArticle

Abstract

Purpose: This study was designed to observe the resorption pattern of biphasic calcium phosphate (BCP) used for maxillary sinus augmentation over a 3- to 6-year healing period, and to investigate factors affecting the resorption of BCP. Methods: A total of 47 implants placed in 27 sinuses of 22 patients were investigated. All patients had residual bone height less than 5 mm at baseline. The modified Caldwell-Luc approach was used to elevate the maxillary sinus membrane, and the sinus cavity was filled with BCP (70% hydroxyapatite and 30% β-tricalcium phosphate). Implant placement was done simultaneously or in a staged manner. Serial radiographic analysis was performed up to 6 years postoperatively. Results: During the follow-up period, no implant loss was reported. The mean reduced height of the augmented sinus (RHO) was 0.27±1.08 mm at 36 months, and 0.89±1.39 mm at 72 months postoperatively. Large amounts of graft material (P=0.021) and a long healing period (P=0.035) significantly influenced the amount of RHO. In particular, there was a significant relationship between a healing period longer than 40 months and RHO. Conclusions: BCP can achieve proper dimensional stability with minimal reduction of the graft height in a 3- to 6-year healing period after maxillary sinus augmentation. The healing period and the amount of graft material influenced the resorption of BCP.

Original languageEnglish
Pages (from-to)47-57
Number of pages11
JournalJournal of Periodontal and Implant Science
Volume49
Issue number1
DOIs
Publication statusPublished - 2019 Feb 1

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Maxillary Sinus
Transplants
Durapatite
hydroxyapatite-beta tricalcium phosphate
Bone and Bones
Membranes

All Science Journal Classification (ASJC) codes

  • Oral Surgery
  • Periodontics

Cite this

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title = "Maxillary sinus augmentation using biphasic calcium phosphate: Dimensional stability results after 3-6 years",
abstract = "Purpose: This study was designed to observe the resorption pattern of biphasic calcium phosphate (BCP) used for maxillary sinus augmentation over a 3- to 6-year healing period, and to investigate factors affecting the resorption of BCP. Methods: A total of 47 implants placed in 27 sinuses of 22 patients were investigated. All patients had residual bone height less than 5 mm at baseline. The modified Caldwell-Luc approach was used to elevate the maxillary sinus membrane, and the sinus cavity was filled with BCP (70{\%} hydroxyapatite and 30{\%} β-tricalcium phosphate). Implant placement was done simultaneously or in a staged manner. Serial radiographic analysis was performed up to 6 years postoperatively. Results: During the follow-up period, no implant loss was reported. The mean reduced height of the augmented sinus (RHO) was 0.27±1.08 mm at 36 months, and 0.89±1.39 mm at 72 months postoperatively. Large amounts of graft material (P=0.021) and a long healing period (P=0.035) significantly influenced the amount of RHO. In particular, there was a significant relationship between a healing period longer than 40 months and RHO. Conclusions: BCP can achieve proper dimensional stability with minimal reduction of the graft height in a 3- to 6-year healing period after maxillary sinus augmentation. The healing period and the amount of graft material influenced the resorption of BCP.",
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Maxillary sinus augmentation using biphasic calcium phosphate : Dimensional stability results after 3-6 years. / Cha, Jae Kook; Kim, Chingu; Pae, Hyung Chul; Lee, Jung Seok; Jung, Ui-Won; Choi, Seongho.

In: Journal of Periodontal and Implant Science, Vol. 49, No. 1, 01.02.2019, p. 47-57.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Maxillary sinus augmentation using biphasic calcium phosphate

T2 - Dimensional stability results after 3-6 years

AU - Cha, Jae Kook

AU - Kim, Chingu

AU - Pae, Hyung Chul

AU - Lee, Jung Seok

AU - Jung, Ui-Won

AU - Choi, Seongho

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Y1 - 2019/2/1

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AB - Purpose: This study was designed to observe the resorption pattern of biphasic calcium phosphate (BCP) used for maxillary sinus augmentation over a 3- to 6-year healing period, and to investigate factors affecting the resorption of BCP. Methods: A total of 47 implants placed in 27 sinuses of 22 patients were investigated. All patients had residual bone height less than 5 mm at baseline. The modified Caldwell-Luc approach was used to elevate the maxillary sinus membrane, and the sinus cavity was filled with BCP (70% hydroxyapatite and 30% β-tricalcium phosphate). Implant placement was done simultaneously or in a staged manner. Serial radiographic analysis was performed up to 6 years postoperatively. Results: During the follow-up period, no implant loss was reported. The mean reduced height of the augmented sinus (RHO) was 0.27±1.08 mm at 36 months, and 0.89±1.39 mm at 72 months postoperatively. Large amounts of graft material (P=0.021) and a long healing period (P=0.035) significantly influenced the amount of RHO. In particular, there was a significant relationship between a healing period longer than 40 months and RHO. Conclusions: BCP can achieve proper dimensional stability with minimal reduction of the graft height in a 3- to 6-year healing period after maxillary sinus augmentation. The healing period and the amount of graft material influenced the resorption of BCP.

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