This study aims to compare 2 different groups of patients with both a healed site in the upper posterior sector after extractions, one treated with ultra-short implants, and another with long implants with bone regeneration. The objective is to evaluate if short-implants are superior in terms of better clinical outcomes, survival rates and safety, reduced surgical time, postoperative discomfort, and complication risk compared to conventional implants and bone regeneration.
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Adult patients (≥18 years old).
No pregnant women or without the desire to stay.
Periodontal and peri-implant health in a pristine or reduced periodontium.
Patients with uncontrolled systemic diseases.
Smoker patients (≥10 cig/day).
Patients taking medications that affect bone metabolism or immunologic disorders.
Patients allergic to penicillin.
Parallel
Ultra short implants
DevicePlacement of an ultra short implant of 4mm in the posterior atrophic maxilla without any bone regeneration procedure
Long implants with bone augmentation
DevicePlacement of long implants of 8mm in the posterior atrophic maxilla alongside bone augmentation
Satisfaction of the surgical procedure
The patient is gonna make a subjective assessment of satisfaction of the surgery once it is finished. For that, we are going to use a 10 centimeter visual analog scale. The extremes of the scale are the extreme expressions of satisfaction, where the extreme left represents a 0 (not satisfied) and 10 (very satisfied). The patient won't have numbers between 0-10 so he will not be influenced by them. Wherever he marks, we will measure it and it will represent in centimeters how was his satisfaction
Surgical time
elapsed time since the administration of local anesthesia until the placement of the last suture knot, with a scale of the exact minutes
Pain Intensity
Subjective assessment of pain intensity using a 10-cm visual analog scale. The extremes of the scale are the extreme expressions of pain
Rescue medication
The need to intake rescue medication of Ibuprofen 600mg, Paracetamol 650mg or Amoxicilin 500mg with a nominal response of Yes or No
Intra-surgical complications
Any undesired event that happens during the surgical procedure, for example, profuse bleeding, Schneider membrane perforation, by a categorical nominal answer Yes or No
Age
Elapsed time from the birthdate until the date of intervention assignment. Expressed in exact years.
Gender
male/female. Expressed as absolute and relative frequency.
Smoking habit
Non-smoker, Smoker ≤ 10 cig per day or Former smoker. Expressed as absolute and relative frequencies.
Bone density
Subjective evaluation during drilling. Type I, II, III, IV (Lekhom and Zarb, 1986). Expressed as absolute and relative frequencies.
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